/* Defining a query using lambda function to search specific key 
 */
 public void key_value_search(DBEngine<int, DBElement<int, string>> db, IQuery<int, DBElement<int, string>> i_query, QueryEngine<int, DBElement<int, string>> qe )
 {
     "Query for value with specified key (key = 2):".title();
     WriteLine();
     int key_to_search = 2;
     Func<int, string, bool> keyValueSearch = (int key, string search) => //lambda function
     {
         if (!db.Keys().Contains(key))
             return false;
         else
         {
             if (key == int.Parse(search))
             {
                 DBElement<int, string> ele = new DBElement<int, string>();
                 db.getValue(key, out ele);
                 return true;
             }
             else { return false; }
         }
     };
     // pass query to query engine and call simpleQuery to make query on DBEngine
     qe.simpleQuery(keyValueSearch, key_to_search.ToString(), out i_query);
     WriteLine();
     foreach (var key in i_query.Keys())
     {
         DBElement<int, string> temp = new DBElement<int, string>();
         i_query.getValue(key, out temp);
         WriteLine("key : {0}", key);
         temp.showElement();
         WriteLine();
     }
 }
 public QueryRunner(QueryParser queryParser, QueryPlanBuilder queryPlanBuilder, QueryEngine queryEngine, IQueryResultFactory queryResultFactory)
 {
     _queryParser = queryParser;
     _queryPlanBuilder = queryPlanBuilder;
     _queryEngine = queryEngine;
     _queryResultFactory = queryResultFactory;
 }
Ejemplo n.º 3
0
 public RequestHandler()
 {
     sb = new StringBuilder();
     db = new DBEngine<int, DBElement<int, string>>();
     query = new QueryEngine<int, DBElement<int, string>>();
     dbString = new DBEngine<string, DBElement<string, List<string>>>();
     strElem = new DBElement<string, List<string>>();
 }
Ejemplo n.º 4
0
		/// <summary>
		/// Ctor
		/// </summary>
		/// <param name="analyzer"></param>
		/// <param name="sequences"></param>
		public QueryProvider(ITokenAnalyzer<ModelTokenType> analyzer, IQueryable<TokenSequence> sequences)
		{
			if (analyzer == null)
			{
				throw new ArgumentNullException("analyzer");
			}
			if (sequences == null)
			{
				throw new ArgumentNullException("sequences");
			}

			this.Engine = new QueryEngine(analyzer, sequences);
		}
 /* Defining a query using lambda function to search children of specific element 
 */
 public void key_children_search(DBEngine<int, DBElement<int, string>> db, IQuery<int, DBElement<int, string>> i_query, QueryEngine<int, DBElement<int, string>> qe)
 {
     int specific_key = 2;
     "Query for children of specified key (key = 2):".title();
     WriteLine();
     Func<int, string, bool> childrenQuery = (int key, string search) => //lambda function
     {
         if (!db.Keys().Contains(key))
             return false;
         if (key == int.Parse(search))
         {
             DBElement<int, string> ele = new DBElement<int, string>();
             db.getValue(key, out ele);
             return true;
         }
         else return false;
     };
     // pass query to query engine and call simpleQuery to make query on DBEngine
     qe.simpleQuery(childrenQuery, specific_key.ToString(), out i_query);
     WriteLine();
     foreach (var key in i_query.Keys())
     {
         DBElement<int, string> temp = new DBElement<int, string>();
         i_query.getValue(key, out temp);
         WriteLine("children of element with key {0} :", key);
         WriteLine();
         if (temp.children != null)
         {
             int i = 0;
             foreach (int child in temp.children)
             {
                 WriteLine("Children {0}", i++);
                 DBElement<int, string> temp_child = new DBElement<int, string>();
                 if (db.Keys().Contains(child))
                 {
                     db.getValue(child, out temp_child);
                     WriteLine("key : {0}", child);
                     temp_child.showElement();
                     WriteLine();
                 }
                 else
                 {
                     WriteLine("no value with key {0} is present in database", child);
                     WriteLine();
                 }
             }
         }
     }
 }
    /* Defining a query using lambda function to search specific key 
    */
    public bool key_value_search(DBEngine<string, DBElement<string, List<string>>> db, out IQuery<string, DBElement<string, List<string>>> i_query, QueryEngine<string, DBElement<string, List<string>>> qe, string key_to_search = "12345")
    {
      "Query for value with specified key (key = element2):".title();
      WriteLine();

      Func<string, string, bool> keyValueSearch = (string key, string search) => //lambda function
      {
        if (!db.Keys().Contains(key))
          return false;
        else
        {
          if (key == (search))
          {
            DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
            db.getValue(key, out ele);
            return true;
          }
          else { return false; }
        }
      };
      // pass query to query engine and call simpleQuery to make query on DBEngine

      if (qe.simpleQuery(keyValueSearch, key_to_search.ToString(), out i_query))
      {
        WriteLine();
        foreach (var key in i_query.Keys())
        {
          DBElement<string, List<string>> temp = new DBElement<string, List<string>>();
          i_query.getValue(key, out temp);
          WriteLine("key : {0}", key);
          temp.showEnumerableElement();
          WriteLine();
        }
        return true;
      }
      else
      {
        return false;
      }
    }
Ejemplo n.º 7
0
        /// <summary>
        /// See if a ClickFunction command & process if so
        /// </summary>
        /// <param name="command"></param>
        /// <param name="qm"></param>
        /// <param name="cInf"></param>

        public static void Process(
            string command,
            QueryManager qm,
            CellInfo cInf = null)
        {
            QueryTable    rootQt, qt;
            QueryColumn   qc;
            MetaTable     mt;
            MetaColumn    mc;
            Query         q2;
            string        dbName = "", mtName = "", mcName = "";
            List <string> args0, args;
            string        funcName, arg1, arg2, arg3, arg4, arg5;
            string        value = "", keyValue = "";

            int ai;

            try
            {
                // Parse click function arguments stripping all single quotes.
                // Arguments may be defined in the clickfunction definition including col values
                // indicated by field.Value in the metacolumn clickfunction definition.
                // If no args are defined in the clickfunction definition then a field value
                // argument will be added by default or the keyValue if [keyvalue] appears in the
                // ClickFunction definition

                CurrentClickQueryManager = qm;
                args0 = Lex.ParseAllExcludingDelimiters(command, "( , )", false);
                args  = new List <string>();
                for (ai = 0; ai < args0.Count; ai++)                 // strip all single quotes
                {
                    string arg = args0[ai];
                    if (arg.StartsWith("'"))
                    {
                        arg = Lex.RemoveSingleQuotes(arg);
                    }

                    //if (Lex.Eq(arg, "[rowcol]") && cInf!= null)
                    //{ // pass grid row & col
                    //  args.Add(cInf.GridRowHandle.ToString());
                    //  args.Add(cInf.GridColAbsoluteIndex.ToString());
                    //}
                    //else

                    args.Add(arg);
                }

                funcName = args[0];
                arg1     = (args.Count >= 2 ? args[1] : "");             // get other args
                arg2     = (args.Count >= 3 ? args[2] : "");
                arg3     = (args.Count >= 4 ? args[3] : "");
                arg4     = (args.Count >= 5 ? args[4] : "");
                arg5     = (args.Count >= 6 ? args[5] : "");

                if (Lex.Eq(funcName, "DisplayAllData"))
                {                 // do all data display for supplied root table and key, i.e. DisplayAllData(TableName, KeyColName, KeyValue)
                    ParseMetaTableMetaColumn(arg1, out mt, arg2, out mc);
                    string extKey = arg3;
                    string intKey = CompoundId.Normalize(extKey, mt);

                    Progress.Show("Building Query...");
                    _query = QueryEngine.GetSelectAllDataQuery(mt.Name, intKey);
                    Progress.Show("Retrieving data...");                     // put up progress dialog since this may take a while
                    QbUtil.RunPopupQuery(_query, mt.KeyMetaColumn.Name + " " + extKey);
                    Progress.Hide();
                    return;
                }

                else if (Lex.Eq(funcName, "DisplayAllDataUsingDbName"))
                {                 // display all data for supplied database synonym & key value, i.e. DisplayAllData2(DataBaseSynonym, KeyValue)
                    mtName = null;
                    dbName = arg1;
                    RootTable rti = RootTable.GetFromTableLabel(dbName);
                    if (rti != null)
                    {
                        mtName = rti.MetaTableName;
                    }
                    else                     // try synonyms
                    {
                        DictionaryMx dict = DictionaryMx.Get("Database_Synonyms");
                        if (dict != null)
                        {
                            mtName = dict.LookupDefinition(dbName);
                        }
                    }

                    if (String.IsNullOrEmpty(mtName))
                    {
                        MessageBoxMx.ShowError("Unrecognized database: " + dbName);
                        return;
                    }

                    mt = MetaTableCollection.Get(mtName);
                    if (mt == null)
                    {
                        MessageBoxMx.ShowError("Can't find key metatable " + mtName + " for database " + dbName);
                        return;
                    }

                    string extKey = arg2;
                    string intKey = CompoundId.Normalize(extKey, mt);

                    Progress.Show("Building Query...");
                    _query = QueryEngine.GetSelectAllDataQuery(mt.Name, intKey);
                    Progress.Show("Retrieving data...");                     // put up progress dialog since this may take a while
                    QbUtil.RunPopupQuery(_query, mt.KeyMetaColumn.Name + " " + extKey);
                    return;
                }

                // Run a query displaying results to a grid or web page and substituting a parameter value

                else if (Lex.Eq(funcName, "RunHtmlQuery") || Lex.Eq(funcName, "RunGridQuery"))
                {                 // command to display to grid or html
                    if (arg1.StartsWith("MetaTreeNode=", StringComparison.OrdinalIgnoreCase))
                    {             // query based on metatables under a tree node
                        string nodeName = arg1.Substring("MetaTreeNode=".Length).Trim();
                        _cid = arg2;

                        MetaTreeNode mtn = MetaTree.GetNode(nodeName);
                        if (mtn == null)
                        {
                            MessageBoxMx.ShowError("Can't find tree node referenced in ClickFunction: " + nodeName);
                            return;
                        }

                        _query = new Query();
                        MetaTable rootMt = null;
                        foreach (MetaTreeNode mtn_ in mtn.Nodes)
                        {
                            if (!mtn_.IsDataTableType)
                            {
                                continue;
                            }
                            mt = MetaTableCollection.Get(mtn_.Target);
                            if (mt == null)
                            {
                                continue;
                            }
                            if (rootMt == null)
                            {
                                rootMt = mt.Root;
                                rootQt = new QueryTable(_query, rootMt);
                            }

                            if (mt == rootMt)
                            {
                                continue;
                            }
                            qt = new QueryTable(_query, mt);
                        }

                        if (_query.Tables.Count == 0)
                        {
                            MessageBoxMx.ShowError("No valid data tables found: " + nodeName);
                            return;
                        }

                        _query.KeyCriteria = "= " + _cid;
                        _title             = mtn.Label + " for " + _query.Tables[0].MetaTable.MetaColumns[0].Label + " " + CompoundId.Format(_cid);
                    }

                    else if (arg1.StartsWith("Query=", StringComparison.OrdinalIgnoreCase))
                    {                     // query based on saved query
                        string qIdString = arg1.Substring("Query=".Length).Trim();
                        if (qIdString.StartsWith("Query_", StringComparison.OrdinalIgnoreCase))
                        {
                            qIdString = qIdString.Substring("Query_".Length).Trim();
                        }
                        int qId = int.Parse(qIdString);

                        _query = QbUtil.ReadQuery(qId);

                        _cid = arg2;
                        _query.KeyCriteria = "= " + _cid;
                        _title             = _query.UserObject.Name + " for " + _query.Tables[0].MetaTable.MetaColumns[0].Label + " " + CompoundId.Format(_cid);
                    }

                    else                     // explicit mql string to execute
                    {
                        _mql = arg1;         // mql to execute
                        if (Lex.IsUndefined(_mql))
                        {
                            throw new Exception("Expected MQL query not found: " + command);
                        }

                        mt = null;
                        mc = null;

                        if (Lex.IsDefined(arg2) && Lex.IsDefined(arg3))
                        {
                            mtName   = arg2;
                            mcName   = arg3;
                            value    = arg4;                          // value to plug in to mql
                            keyValue = value;
                            ParseMetaTableMetaColumn(arg2, out mt, arg3, out mc);
                        }

                        else if (cInf != null)
                        {
                            mt       = cInf.Mt;
                            mc       = cInf.Mc;
                            value    = cInf?.DataValue?.ToString();
                            keyValue = qm?.DataTableManager?.GetRowKey(cInf.DataRowIndex);
                        }

                        if (mt == null || mc == null)
                        {
                            throw new Exception("Invalid MetaTable or MetaColumn name(s): " + command);
                        }

                        if (!mc.IsNumeric)
                        {
                            value = Lex.AddSingleQuotes(value);                             // quote if not numeric
                        }
                        int i1 = _mql.ToLower().IndexOf("[value]");                         // see if a value parameter
                        if (i1 >= 0)
                        {
                            string value2 = value;
                            _mql   = _mql.Replace(_mql.Substring(i1, 7), value);
                            _title = mc.Label + " " + value;
                        }

                        i1 = _mql.ToLower().IndexOf("[keyvalue]");                         // see if a key value parameter
                        if (i1 >= 0)
                        {
                            _mql   = _mql.Replace(_mql.Substring(i1, 10), keyValue);
                            _title = mt.KeyMetaColumn.Label + " " + keyValue;
                        }

                        try { _query = MqlUtil.ConvertMqlToQuery(_mql); }
                        catch (Exception ex)
                        {
                            MessageBoxMx.ShowError("Error converting Mql to query: " + ex.Message);
                            return;
                        }
                    }

                    if (Lex.Eq(funcName, "RunHtmlQuery"))
                    {
                        QbUtil.RunPopupQuery(_query, _title, OutputDest.Html);
                    }

                    else                     // output to grid
                    {
                        QbUtil.RunPopupQuery(_query, _title, OutputDest.WinForms);
                    }

                    //else // create new grid query & run (will lose results for current query)
                    //{
                    //	QbUtil.NewQuery(_title); // show in query builder
                    //	QbUtil.SetCurrentQueryInstance(_query);
                    //	QbUtil.RenderQuery();
                    //	string nextCommand = QueryExec.RunQuery(_query, OutputDest.Grid);
                    //}

                    return;
                }

                // Open a URL, normally substituting parameter value

                else if (Lex.Eq(funcName, "OpenUrl"))
                {
                    string url = arg1;                    // url to execute
                    value = arg2;                         // value to plug in to url

                    int i1 = Lex.IndexOf(url, "[value]"); // fill in one of the value place holders
                    if (i1 >= 0)
                    {
                        string value2 = value;
                        url = url.Replace(url.Substring(i1, 7), value);
                    }

                    else                     // check to see if we are matching on key
                    {
                        i1 = Lex.IndexOf(url, "[keyvalue]");
                        if (i1 >= 0)
                        {
                            url = url.Replace(url.Substring(i1, 10), value);
                        }
                    }

                    SystemUtil.StartProcess(url);
                    return;
                }

                else if (Lex.Eq(funcName, "OpenUrlFromSmallWorldCid"))
                {
                    SmallWorldDepictions.OpenUrlFromSmallWorldCid(arg1);
                    return;
                }

                else if (Lex.Eq(funcName, "ShowProjectDescription"))
                {
                    string projName = arg1;
                    QbUtil.ShowProjectDescription(projName);
                    return;
                }

                else if (Lex.Eq(funcName, "ShowTableDescription"))
                {
                    mtName = arg1;
                    QbUtil.ShowTableDescription(mtName);
                    return;
                }

                else if (Lex.Eq(funcName, "DisplayDrilldownDetail"))
                {                           // drill down into a result value
                    mtName = arg1;          // table
                    mcName = arg2;          // column
                    int    level    = Int32.Parse(arg3);
                    string resultId = arg4; // quoted resultId to get
                    q2 = QueryEngine.GetSummarizationDetailQuery(mtName, mcName, level, resultId);
                    if (q2 == null)
                    {
                        throw new Exception("Unable to build drill-down query for: " + mtName + "." + mcName);
                    }
                    bool success = QbUtil.RunPopupQuery(q2, "Result Detail", OutputDest.WinForms);
                    return;
                }

                //else if (Lex.Eq(funcName, "PopupSmilesStructure")) // display structure for a Smiles string (still needs some work...)
                //{
                //	string molString = arg1.ToString();
                //	ChemicalStructure cs = new ChemicalStructure(StructureFormat.Smiles, molString);
                //	ToolHelper.DisplayStructureInPopupGrid("Title...", "Smiles", "Structure", cs);
                //}

                //else if (Lex.Eq(funcName, "PopupChimeStructure")) // display structure for a Chime string
                //{
                //	string molString = arg1.ToString();
                //	ChemicalStructure cs = new ChemicalStructure(StructureFormat.Smiles, molString);
                //	ToolHelper.DisplayStructureInPopupGrid("Title...", "Smiles", "Structure", cs);
                //}

                else if (Lex.Eq(funcName, "DisplayWebPage"))
                {                 // substitute a field value into a url & display associated web page
                    string url = arg1;

                    ParseMetaTableMetaColumn(arg2, out mt, arg3, out mc);
                    value = arg4;                     // value to plug in to mql

                    //				value = "{6E9C28EF-407E-44A0-9007-5FFB735A5C6C}"; // debug
                    //				value = "{0AC17903-E551-445E-BFAA-860023D2884F}"; // debug
                    //				value = "{63EE71F9-15BA-42FB-AFDC-C399103707B1}"; // debug
                    //				value = "{80591183-B7BA-4669-8C5F-7E7F53D981CE}";

                    //lex.OpenString(mc.ClickFunction); // reparse url to get proper case
                    //funcName = lex.GetNonDelimiter();
                    //url = Lex.RemoveAllQuotes(lex.GetNonDelimiter());

                    _title = mc.Label + " " + value;
                    int i1 = url.ToLower().IndexOf("[value]");                     // fill in one of the value place holders
                    if (i1 >= 0)
                    {
                        url = url.Replace(url.Substring(i1, 7), value);
                    }

                    else                     // check to see if we are matching on key
                    {
                        i1 = url.ToLower().IndexOf("[keyvalue]");
                        if (i1 >= 0)
                        {
                            url    = url.Replace(url.Substring(i1, 10), value);
                            _title = mt.KeyMetaColumn.Label + " " + value;
                        }
                    }

                    UIMisc.ShowHtmlPopupFormDocument(url, _title);
                    return;
                }

                else if (Lex.Eq(funcName, "DisplayOracleBlobDocument")) // display a document contained in an Oracle blob column
                {                                                       // Syntax: DisplayOracleBlobDocument(<table-to-lookup>, <value_match_column>, <file-name-or-type-col>, <content-column>)
                    string table      = arg1;
                    string matchCol   = arg2;
                    string typeCol    = arg3;
                    string contentCol = arg4;
                    string matchVal   = arg5;                   // value to match

                    try
                    {
                        string typeName;
                        byte[] ba;
                        UalUtil.SelectOracleBlob(table, matchCol, typeCol, contentCol, matchVal, out typeName, out ba);
                        if (ba == null || ba.Length == 0)
                        {
                            return;
                        }

                        UIMisc.SaveAndOpenBinaryDocument(typeName, ba);
                    }

                    catch (Exception ex)
                    {
                        MessageBoxMx.ShowError("Error retrieving document: " + ex.Message);
                        return;
                    }

                    return;
                }

                else if (Lex.Eq(funcName, "DisplayOracleClobDocument")) // display a document contained in an Oracle clob column
                {                                                       // Syntax: DisplayOracleBlobDocument(<table-to-lookup>, <value_match_column>, <file-name-or-type-col>, <content-column>)
                    string table      = arg1;
                    string matchCol   = arg2;
                    string typeCol    = arg3;
                    string contentCol = arg4;
                    string matchVal   = arg5;                   // value to match

                    try
                    {
                        string typeName, clobString;
                        UalUtil.SelectOracleClob(table, matchCol, typeCol, contentCol, matchVal, out typeName, out clobString);
                        if (Lex.IsUndefined(clobString))
                        {
                            return;
                        }

                        UIMisc.SaveAndOpenBase64BinaryStringDocument(typeName, clobString);                         // assume clob string is a Base64Binary string
                    }

                    catch (Exception ex)
                    {
                        MessageBoxMx.ShowError("Error retrieving document: " + ex.Message);
                        return;
                    }

                    return;
                }

                else if (Plugins.IsMethodExtensionPoint(funcName))
                {
                    List <object> objArgs = new List <object>();
                    for (ai = 1; ai < args.Count; ai++)                     // build list of object arguments
                    {
                        objArgs.Add(args[ai]);
                    }
                    Plugins.CallStringExtensionPointMethod(funcName, objArgs);
                }

                else if (Lex.Eq(funcName, "None"))                 // dummy click function
                {
                    return;
                }

                else
                {
                    MessageBoxMx.ShowError("Unrecogized click function: " + funcName);
                    return;
                }
            }

            catch (Exception ex)
            {
                Exception ex2 = ex;
                if (ex.InnerException != null)
                {
                    ex2 = ex.InnerException;
                }
                string msg = "Error executing ClickFunction: " + command + "\r\n" +
                             DebugLog.FormatExceptionMessage(ex);
                MessageBoxMx.ShowError(msg);

                ServicesLog.Message(msg);
            }
        }
        void TestR7()
        {
            //Demonstrating queries
            "Demonstrating Requirement #7".title();
            WriteLine();
            QueryEngine queryv = new QueryEngine();
            DBElement<int, string> displayresc = new DBElement<int, string>();
            DBElement<int, string> displayres = new DBElement<int, string>();

            //demonstrating query 1
            Console.WriteLine("\n \n getting value for key 1");
            displayres = queryv.queryvalue<int, DBElement<int, string>, string>(db, 1);
            if (displayres != null)
                displayres.showElement();

            DBElement<string, List<string>> valuestring = new DBElement<string, List<string>>();
            Console.WriteLine("\n \n getting value for key 2");
            valuestring = queryv.queryvalue<string, DBElement<string, List<string>>, string>(db2, "2");
            if (valuestring != null)
                valuestring.showEnumerableElement();

            // demonstrating query 2
            Console.WriteLine("\n \n getting children for key 1");
            List<int> tchildlist = new List<int>();
            tchildlist = queryv.querychildren<int, DBElement<int, string>, string>(db, 1);
            if (tchildlist != null)
            {
                foreach (int i in tchildlist)
                    Console.WriteLine(i);
            }


        }
Ejemplo n.º 9
0
        /// <summary>
        /// Run the query
        /// </summary>
        /// <param name="browseExistingResults">If true browse existing results</param>
        /// <returns></returns>

        public string RunQuery3(
            ResultsFormat rf,
            bool saveHitlist,
            bool browseExistingResults)
        {
            Query        modifiedQuery;
            QueryTable   qt;
            QueryColumn  qc;
            ResultsTable rt;
            ResultsField rfld;
            MetaTable    mt;
            MetaColumn   mc;
            string       txt, msg;
            DialogResult dr;
            bool         success;
            CellGraphic  cg;
            Lex          lex = new Lex();
            string       tempfile, tok, command, unrecognizedCommand, response;
            int          ti, gi, rc, i1, i2;

            // Begin execution

            if (rf == null)
            {
                throw new Exception("QueryExec.Run - Null ResultsFormat");
            }

            if (ResultsFormatter == null)
            {
                throw new Exception("QueryExec.Run - Null ResultsFormatter");
            }

            if (rf.Segments == null)
            {
                throw new Exception("QueryExec.Run - Null ResultsFormat.Segments");
            }

            if (Query == null)
            {
                throw new Exception("QueryExec.Run - Null Rf.Query");
            }

            if (Query.Tables == null || Query.Tables.Count <= 0)
            {
                throw new QueryException("QueryExec.Run - No Query Tables");
            }

            QueryManager qm = QueryManager;

            ReturnMsg = "";

            //bool useExistingQueryEngine = Rf.ParentQe != null;
            //bool useExistingDataTable = Query.BrowseExistingResultsWhenOpened && Query.SerializeResults &&
            //  qm.DataTable != null && qm.DataTable.Rows.Count > 0;

            try
            {
                //if (Math.Sqrt(4) == 2) throw new Exception("test"); // debug

                if (!browseExistingResults)                 // normal open of search
                {
                    Progress.Show("Analyzing query...");    // put up a status message to the user as soon as possible to let them know something is happening...

                    dr = ValidateQuery(Query);
                    if (dr == DialogResult.Cancel)
                    {
                        return("");
                    }

                    WriteCurrentListToServerIfNeeded(Query);

                    if (rf.OutputDestination == OutputDest.WinForms)                     // update access stats if grid
                    {
                        UpdateTableUsageStatistics(Query);
                    }

                    Query.ResultsDataTable = null;                     // be sure to get new results

                    qm = BuildQueryManager(Query, rf);

                    Query.ResetViewStates();                     // reset state of views for proper operation

                    if (Rf.ParentQe == null)                     // open search unless using existing query engine
                    {
                        if (!ExecuteSearch(saveHitlist))         // returns false if cancelled by user
                        {
                            Progress.Hide();
                            return("");
                        }
                    }

                    if ((ResultsKeys == null || ResultsKeys.Count == 0) &&                      // nothing for search
                        !Query.Preview &&
                        !MqlUtil.SingleStepExecution(Query) &&
                        qm.DataTable.Rows.Count == 0 &&
                        Query.RetrievesDataFromQueryEngine)
                    {
                        // if (!Rf.PopupDisplay)
                        Progress.Hide();
                        if (qm.StatusBarManager != null)
                        {
                            qm.StatusBarManager.DisplayStatusMessage("");
                        }
                        // if (QueryEngine.Cancelled) return ""; // cancelled by user
                        msg = "No data have been found that matches your query.";
                        if (ResultsFormat.PopupOutputFormContext && !ResultsFormat.SuppressNoDataMessage)
                        {
                            MessageBoxMx.Show(msg, "Search Result",
                                              MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                            return("Command EditQuery");                            // return to edit query menu
                        }
                        else
                        {
                            return(msg);
                        }
                    }

                    //if (ResultsFormat.PopupDisplay)
                    //  SessionManager.DisplayStatusMessage("Retrieving data...");
                    //else Progress.Show("Retrieving data...", UmlautMobius.Value, true, "Cancelling Retrieval...");

                    //Progress.Show("Retrieving data...", UmlautMobius.String, true, "Cancelling Retrieval...");
                    Progress.Hide();                     // hide progress - "Retrieving data..." message now appears as bottom line of grid

                    if (ResultsFormat.Grid)
                    {
                        if (ResultsFormat.SessionOutputFormContext)              // if normal main session form grid display, set browse mode & view state
                        {
                            Query.ResetViewStates();                             // reset view state for all views
                            QbUtil.SetMode(QueryMode.Browse, Query);

                            if (ResultsFormat.Query.LogicType == QueryLogicType.And)                             // log grid query by logic type
                            {
                                UsageDao.LogEvent("QueryGridAnd", "");
                            }
                            else if (ResultsFormat.Query.LogicType == QueryLogicType.Or)
                            {
                                UsageDao.LogEvent("QueryGridOr", "");
                            }
                            else if (ResultsFormat.Query.LogicType == QueryLogicType.Complex)
                            {
                                UsageDao.LogEvent("QueryGridComplex", "");
                            }
                        }

                        else if (ResultsFormat.PopupOutputFormContext)                         // create popup window & configure
                        {
                            PopupResults.Show(qm);
                            //MoleculeGridPanel.ConfigureAndShow(qm, null);
                        }

                        else if (ResultsFormat.ToolOutputFormContext)
                        {
                            ContainerControl    cc;
                            QueryResultsControl qrc = ResultsFormat.OutputContainerControl as QueryResultsControl;
                            AssertMx.IsTrue(qrc != null, "ResultsFormat.OutputContainerControl must be a QueryResultsControl");
                            if (!WindowsHelper.FindContainerControl(qrc, typeof(ToolResultsContainer), out cc))
                            {
                                throw new Exception("ToolResultsContainer not found");
                            }

                            ToolResultsContainer trc = cc as ToolResultsContainer;
                            trc.SetupQueryResultsControlForResultsDisplay(qm);
                        }

                        else
                        {
                            throw new Exception("Invalid OutputformContext: " + ResultsFormat.OutputFormContext);
                        }
                    }
                }

                else                 // reentering display switch to browse tab
                {
                    QbUtil.SetMode(QueryMode.Browse, Query);
                }

                response = ResultsFormatter.BeginFormatting(browseExistingResults); // format the data

                if (ResultsFormat.SessionOutputFormContext)                         // normal display
                {
                    if (MqlUtil.SingleStepExecution(Query))
                    {                     // be sure hit count display is up to date
                        if (ResultsKeys != null)
                        {
                            if (qm.StatusBarManager != null)
                            {
                                qm.StatusBarManager.DisplayCurrentCount();
                            }
                        }
                    }

                    if (saveHitlist)
                    {
                        CidList hitList = new CidList(ResultsKeys);
                        rc = CidListCommand.WriteCurrentList(hitList);
                        SessionManager.DisplayCurrentCount();
                    }
                }

                return(response);
            }             // end of surrounding try

            catch (Exception ex)
            {
                Progress.Hide();
                if (ex is UserQueryException)                 // exception that can occur from user error
                {
                    throw new UserQueryException(ex.Message, ex);
                }

                else
                {
                    msg = DebugLog.FormatExceptionMessage(ex);
                    if (!Lex.Contains(msg, "QueryLogged:"))                     // exception & query
                    {
                        QueryEngine.LogExceptionAndSerializedQuery(msg, Query);
                    }
                    else
                    {
                        ServicesLog.Message(msg);                      // just log exception
                    }
                    throw new Exception(ex.Message, ex);               // pass it up
                }
            }
        }
Ejemplo n.º 10
0
 public void Setup()
 {
     QueryEngineUnderTest = new QueryEngine();
     QueryEngineUnderTest.ConnectToServer();
 }
 //function to getvalue
 public XElement getvalue(XElement dbe, DBEngine<int, DBElement<int, string>> db, QueryEngine QE)
 {
     Console.WriteLine("\n value of the  particular key is returned ");
     DBElement<int, string> dbelem = new DBElement<int, string>();
     QE.queryvalue<int, DBElement<int, string>, string>(db, 2);
     if (QE.Equals(null))
     {
         XElement f = new XElement("result", "\n no key present ");
         return f;
     }
     else
     {
         XElement s = new XElement("result", "\n Value obtained ");
         return s;
     }
 }
 /* Defining a query using lambda function to search specific elements belonging in specific  
 *  time-interval with end of time interval equal to present
 */
 public void date_time_specific(DBEngine<string, DBElement<string, List<string>>> db, out IQuery<string, DBElement<string, List<string>>> i_query, QueryEngine<string, DBElement<string, List<string>>> qe, DateTime start, DateTime end = new DateTime())
 {
   "Query for keys with specified date time interval: start=10/4/2015 end=10/5/2015".title();
   WriteLine();
   Func<string, DateTime, DateTime, bool> TimeDateQuery = (string key, DateTime query_start, DateTime query_end) => //lambda function
   {
     if (!db.Keys().Contains(key))
       return false;
     else
     {
       DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
       db.getValue(key, out ele);
       int start_result = DateTime.Compare(query_start, ele.timeStamp);
       int end_result = DateTime.Compare(query_end, ele.timeStamp);
       if ((start_result <= 0) && (end_result >= 0))
       {
         return true;
       }
       else return false;
     }
   };
   // pass query to query engine and call simpleQuery to make query on DBEngine
   qe.simpleQueryDate(TimeDateQuery, out i_query, start, end);
   WriteLine();
   foreach (var key in i_query.Keys())
   {
     DBElement<string, List<string>> temp = new DBElement<string, List<string>>();
     i_query.getValue(key, out temp);
     WriteLine("key : {0}", key);
     temp.showEnumerableElement();
     WriteLine();
   }
 }
Ejemplo n.º 13
0
 public void performOperations(DBEngine<string, DBElement<string, List<string>>> testDict, DBElement<string, List<string>> value)
 {       /*----------Perform operations as per the input given in the XML document--------------*/
     if (value.operation == "addition")
     {
         testDict.insert(value.key, value);          //insert the key/value pairs to the main database
         string s = "Database after inserting key " + value.key + " is";
         printDatabase(testDict, s);
     }
     if (value.operation == "edit")
     {
         testDict.saveValue(value.key, value);       //edit the value for the given key
         string s = "Database after editing key " + value.key + " is";
         printDatabase(testDict, s);
     }
     if (value.operation == "delete")
     {
         testDict.delete(value.key);                 //delete the key/value pair
         string s = "Database after deleting key " + value.key + " is";
         printDatabase(testDict, s);
     }
     if (value.operation == "persist database")
     {
         PersistEngine<string, DBElement<string, List<string>>> persist = new PersistEngine<string, DBElement<string, List<string>>>(testDict);
         var keys = testDict.Keys();
         persist.persistToXMLListPayload(keys);
         printDatabase(testDict, "Persisted database is:");
     }
     if (value.operation == "Query value")
     {
         DBElement<string, List<string>> valueOfKey = testDict.getValueOfKey(value.key);
         printQuery("Querying the database for value of key " + value.key + " is");
         Console.WriteLine("\n\nThe value of the Key {0} is:\n", value.key);
         valueOfKey.showEnumerableElement();
     }
     if (value.operation == "Query children")
     {
         QueryEngine<string, DBElement<string, List<string>>> qEngine = new QueryEngine<string, DBElement<string, List<string>>>(testDict);
         printQuery("Querying the database for value of key " + value.key + " is");
         List<string> children = qEngine.getChildrenOfKey(value.key);
         Console.WriteLine("\nThe children of the Key {0} are:\n", value.key);
         displayChildren(children);
     }
     if (value.operation == "Augment database")
     {
         PersistEngine<string, DBElement<string, List<string>>> persist = new PersistEngine<string, DBElement<string, List<string>>>(testDict);
         string fileName = "C:\\Users\\rakeshh91\\Documents\\Rakesh Documents\\Class Materials\\SMA\\Assignments\\Assignment 4 - Implementation\\CommPrototype\\augmentDatabase.xml";
         persist.augmentDatabaseFromXMLStringList(testDict, fileName);
         printDatabase(testDict, "Database after augmenting is:");
     }
 }
 private void string_metadata(out string str, ref IEnumerator<string> msg_enumerator, DBEngine<string, DBElement<string, List<string>>> db)
 {
     IQuery<string, DBElement<string, List<string>>> i_query = new DBEngine<string, DBElement<string, List<string>>>();
       QueryEngine<string, DBElement<string, List<string>>> qe = new QueryEngine<string, DBElement<string, List<string>>>(db);
       QueryPredicate qp = new QueryPredicate();
       string search = "";
       str = "";
       msg_enumerator.MoveNext();
       msg_enumerator.MoveNext();
       search = msg_enumerator.Current.ToString();
       DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
       if (qp.metadata_string(db, out i_query, qe, search))
       {
     foreach (var key in i_query.Keys())
     {
       if (i_query.getValue(key, out ele))
       {
     str += " Element with string:" + search + " found in Database.\n Key: "+ key +"\nValue at given key: " + ele.showElement<string, List<string>, string>();
       }
     }
       }
       else
       {
     str = "Element with string: " + search + " in metadata Not found in Database.\n";
       }
 }
 private void search_key_value(out string str, ref IEnumerator<string> msg_enumerator, DBEngine<string, DBElement<string, List<string>>> db)
 {
     IQuery<string, DBElement<string, List<string>>> i_query = new DBEngine<string, DBElement<string, List<string>>>();
       QueryEngine<string, DBElement<string, List<string>>> qe = new QueryEngine<string, DBElement<string, List<string>>>(db);
       QueryPredicate qp = new QueryPredicate();
       string search = "";
       msg_enumerator.MoveNext();
       msg_enumerator.MoveNext();
       search = msg_enumerator.Current.ToString();
       DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
       if (qp.key_value_search(db, out i_query, qe, search))
       {
     i_query.getValue(search, out ele);
     str = " Key: " + search + " found in Database.\n Value at given key: " + ele.showElement<string, List<string>, string>();
       }
       else
       {
     str = "Key: " + search + " Not found in Database.\n";
       }
 }
Ejemplo n.º 16
0
 public virtual bool Any(Type structureType)
 {
     //OK, to not be wrapped in Try, since QueryEngine does this
     return(QueryEngine.Any(structureType));
 }
Ejemplo n.º 17
0
 public virtual bool Exists(Type structureType, object id)
 {
     //OK, to not be wrapped in Try, since QueryEngine does this
     return(QueryEngine.Exists(structureType, id));
 }
Ejemplo n.º 18
0
 public virtual bool Exists <T>(object id) where T : class
 {
     //OK, to not be wrapped in Try, since QueryEngine does this
     return(QueryEngine.Exists <T>(id));
 }
Ejemplo n.º 19
0
        static void Main(string[] args)
        {
            "Testing DBFactory Package".title('=');
            WriteLine();
            DBFactoryTest dbft = new DBFactoryTest();
            "\nCreation of immutable database".title();
            WriteLine();

            "\nOriginal database".title();
            DBEngine<int, DBElement<int, string>> db = new DBEngine<int, DBElement<int, string>>();
            dbft.insertData(db);
            

            "\n Fetch all the keys which are even from the above database".title();
            try
            {
                QueryEngine<int, DBElement<int, string>> qEngine = new QueryEngine<int, DBElement<int, string>>(db);
                Dictionary<int, DBElement<int, string>> dictFactory = new Dictionary<int, DBElement<int, string>>();
                DBFactory<int, DBElement<int, string>> dbFactory;
                var keys = qEngine.getListKeyPattern();
                if (keys != null)
                {
                    foreach (var key in keys)
                    {
                        var val = db.getValueOfKey(key);
                        dictFactory.Add(key, val);                                                              //add keys and values to the dictionary
                    }
                    dbFactory = new DBFactory<int, DBElement<int, string>>(dictFactory);                        //store the dictionary in the 
                    WriteLine("\nThe below key/value pairs with even keys pattern are saved as an immutable database\n");
                    dbFactory.showDB();                                                                         //display the immutable database
                    WriteLine();
                    WriteLine();
                }
                else
                {
                    WriteLine("\nNo keys are obtained from a query for creation of immutable database\n");
                }
                WriteLine();
                WriteLine();
            }
            catch (Exception e)
            {
                Console.WriteLine("\n" + e.Message + "\n");
            }

        }
Ejemplo n.º 20
0
 public void Setup()
 {
     EngineUnderTest = new QueryEngine();
     //this is typically done in the middleware, must do here
     EngineUnderTest.ConnectToServer();
 }
 private void time_date_inerval(out string str, ref IEnumerator<string> msg_enumerator, DBEngine<string, DBElement<string, List<string>>> db)
 {
     IQuery<string, DBElement<string, List<string>>> i_query = new DBEngine<string, DBElement<string, List<string>>>();
       QueryEngine<string, DBElement<string, List<string>>> qe = new QueryEngine<string, DBElement<string, List<string>>>(db);
       QueryPredicate qp = new QueryPredicate();
       DateTime start = new DateTime();
       DateTime end = new DateTime();
       str = "";
       bool flag = false;
       while (msg_enumerator.MoveNext()) {
     switch(msg_enumerator.Current.ToString())
     {
       case "sdate-time":
     msg_enumerator.MoveNext();
     DateTime.TryParse(msg_enumerator.Current.ToString(), out start);
     break;
       case "edate-time":
     msg_enumerator.MoveNext();
     if (msg_enumerator.Current.ToString() != "" && DateTime.TryParse(msg_enumerator.Current.ToString(), out end)) ;
     else
       flag = true;
     break;
     }
       }
       DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
       if (flag && qp.default_date_time_specific(db, out i_query, qe, start))
       {
     foreach (var key in i_query.Keys())
       if (i_query.getValue(key, out ele))
     str += " Element within timespan starting:" + start + " and ending: " + DateTime.Now + " found in Database.\n Key: " + key + "\nValue at given key: " + ele.showElement<string, List<string>, string>();
       }
       else if (qp.default_date_time_specific(db, out i_query, qe, start, end))
       {
     foreach (var key in i_query.Keys())
     {
       if (i_query.getValue(key, out ele))
       {
     str += " Element within timespan starting:" + start + " and ending: " + end + " found in Database.\n Key: " + key + "\nValue at given key: " + ele.showElement<string, List<string>, string>();
       }
     }
       } else
       {
     str = "Element within timespan: " + start + " and ending: " + end + " Not found in Database.\n";
       }
 }
    /* Defining a query using lambda function to search specific key matching default pattern
    */
    public void default_pattern_matching(DBEngine<string, DBElement<string, List<string>>> db, out IQuery<string, DBElement<string, List<string>>> i_query, QueryEngine<string, DBElement<string, List<string>>> qe)
    {
      string pattern = "";
      "Query for keys matching with specified pattern (pattern = none  -> default case):".title();
      WriteLine();
      Func<string, string, bool> keysMatchingPattern = (string key, string search) => //lambda function
      {
        if (!db.Keys().Contains(key))
          return false;
        else
        {
          if (key.ToString().Contains(search))
          {
            DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
            db.getValue(key, out ele);
            return true;
          }
          else return false;
        }
      };
      // pass query to query engine and call simpleQuery to make query on DBEngine
      qe.simpleQuery(keysMatchingPattern, pattern, out i_query);
      WriteLine();
      foreach (var key in i_query.Keys())
      {
        DBElement<string, List<string>> temp = new DBElement<string, List<string>>();
        i_query.getValue(key, out temp);
        WriteLine("key : {0}", key);
        temp.showEnumerableElement();
        WriteLine();
      }

    }
Ejemplo n.º 23
0
 public MainWindow(string busId)
 {
     queryEngine = new QueryEngine();
     InitializeComponent();
     columnChart(busId);
 }
Ejemplo n.º 24
0
 public virtual int Count(Type structureType)
 {
     //OK, to not be wrapped in Try, since QueryEngine does this
     return(QueryEngine.Count(structureType));
 }
Ejemplo n.º 25
0
 /// <summary>
 /// Write a table to Kusto
 /// </summary>
 /// <param name="tableSchema">The table to write</param>
 /// <param name="kustoQueryEngine">An initialized query engine for issuing the Kusto command</param>
 public static void WriteToKusto(this TableSchema tableSchema, QueryEngine kustoQueryEngine)
 {
     kustoQueryEngine.CreateOrAlterTableAsync(CslCommandGenerator.GenerateTableCreateCommand(tableSchema, false), tableSchema.Name).Wait();
 }
 static QueryEngineTest()
 {
     engine = new QueryEngine(GetMockedInvertedIndex());
 }
Ejemplo n.º 27
0
 /// <summary>
 /// Delete a table from Kusto
 /// </summary>
 /// <param name="tableSchema">The table to remove</param>
 /// <param name="kustoQueryEngine">An initialized query engine for issuing the Kusto command</param>
 public static void DeleteFromKusto(this TableSchema tableSchema, QueryEngine kustoQueryEngine)
 {
     kustoQueryEngine.DropTable(tableSchema.Name);
 }
Ejemplo n.º 28
0
        /// <summary>
        /// (Obsolete)
        /// Examine query & expand any tables marked for remapping
        /// Existing remap place holder tables are removed & expansion tables
        /// are added at the end of the query in alphabetical order sorted across
        /// all added tables.
        /// </summary>
        /// <returns></returns>
        /// <param name="qm">QueryManager</param>
        /// <param name="q">Original Query</param>
        /// <param name="qe">Original QueryEngine</param>
        /// <param name="resultsKeys">Search-step results keys to consider</param>
        /// <returns>Modified Query</returns>

        public static Query RemapTablesForRetrieval(QueryManager qm, Query q, QueryEngine qe, List <string> resultsKeys)
        {
            throw new NotImplementedException();
        }
Ejemplo n.º 29
0
 /// <summary>
 /// Write a function to Kusto
 /// </summary>
 /// <param name="functionSchema">The function to write</param>
 /// <param name="kustoQueryEngine">An initialized query engine for issuing the Kusto command</param>
 public static void WriteToKusto(this FunctionSchema functionSchema, QueryEngine kustoQueryEngine)
 {
     kustoQueryEngine.CreateOrAlterFunctionAsync(CslCommandGenerator.GenerateCreateOrAlterFunctionCommand(functionSchema, true), functionSchema.Name).Wait();
 }
Ejemplo n.º 30
0
        /// <summary>
        /// Execute search & get hit list
        /// </summary>
        /// <param name="saveHitlist"></param>
        /// <returns></returns>

        public bool ExecuteSearch(bool saveHitlist)
        {
            int          voi, ti, fi;
            ResultsTable rt;
            ResultsField rfld;
            MetaTable    mt;
            MetaColumn   mc, mc2;

            if (saveHitlist)             // clear current list
            {
                SessionManager.CurrentResultKeys = new List <string>();
                if (QueryManager.StatusBarManager != null)
                {
                    QueryManager.StatusBarManager.DisplayCurrentCount();
                }
            }

            // Start thread running the query

            QueryResultsAvailable = false;
            QueryEngineException  = null;
            ThreadStart ts = new ThreadStart(ExecuteQueryThreadMethod);
            Thread      executeQueryThread = new Thread(ts);

            executeQueryThread.Name         = "ExecuteSearch";
            executeQueryThread.IsBackground = true;
            executeQueryThread.SetApartmentState(ApartmentState.STA);
            executeQueryThread.Start();

            // Put up message for user

            if (((Query.ResultKeys != null && Query.UseResultKeys) ||             // already have list
                 ResultsFormat.SessionOutputFormContext) && !QueryEngineStatsForm.ShowStats)
            {
                Progress.Show("Retrieving data...", UmlautMobius.String, true, "Cancelling retrieval...");
            }

            else             // normal type search
            {
                Progress.Show("Searching database - 0:00", UmlautMobius.String, true, "Cancelling search...");
                if (QueryEngineStatsForm.ShowStats)
                {
                    QueryEngineStatsForm.StartNewQueryExecution(Query);
                    QueryEngineStatsForm.StartingSearch();
                }
            }

            // Wait until results available or the query is cancelled by the user

            while (true)
            {
                Thread.Sleep(100);
                Application.DoEvents();

                if (QueryResultsAvailable)                 // completed normally
                {
                    ResultsKeys = QueryEngine.GetKeys();
                    if (saveHitlist)                     // store for session manager also (may differ but probably shouldn't)
                    {
                        SessionManager.CurrentResultKeys = ResultsKeys;
                    }
                    //Progress.Hide();
                    break;
                }

                else if (QueryEngineException != null)
                {
                    Progress.Hide();
                    if (QueryEngineException is QueryException ||
                        QueryEngineException is UserQueryException)
                    {
                        throw QueryEngineException;
                    }
                    else
                    {
                        throw new Exception(QueryEngineException.Message, QueryEngineException);
                    }
                }

                else if (Progress.CancelRequested)
                {
                    if (QueryEngine != null)
                    {
                        QueryEngine.Cancel(false);                                          // start the cancel
                    }
                    Thread.Sleep(250);
                    Application.DoEvents();
                    if (executeQueryThread != null)
                    {
                        executeQueryThread.Abort();                                                 // kill the local thread executing the query
                    }
                    Progress.Hide();
                    return(false);
                }
            }

            // If the query contains tables marked for remapping then build new expanded query & use going forward

            // modifiedQuery = QueryEngine.DoPresearchChecksAndTransforms(Query); // do any presearch transforms

            OriginalQuery = Query;
            if (TransformedQuery != null)
            {
                //ResultsPages qrp = query.ResultsPages;
                //ResultsPages mqrp = modifiedQuery.ResultsPages; // use same set of results pages so view changes propagate back to original query
                Query.PresearchDerivedQuery = TransformedQuery; // link original query to the transformed query
                Query = TransformedQuery;                       // replace original query with this query
            }

            else
            {
                Query.PresearchDerivedQuery = null;
            }

            InitializeQueryManager(QueryManager, Query, QueryManager.ResultsFormat, QueryEngine, ResultsKeys);

            // Save the hit list as needed

            if (saveHitlist)
            {
                CidList currentList = new CidList(ResultsKeys);
                CidListCommand.WriteCurrentList(currentList);
                SessionManager.DisplayCurrentCount();
            }

            return(true);
        }
Ejemplo n.º 31
0
 /// <summary>
 /// Delete a function from Kusto
 /// </summary>
 /// <param name="functionSchema">The function to remove</param>
 /// <param name="kustoQueryEngine">An initialized query engine for issuing the Kusto command</param>
 public static void DeleteFromKusto(this FunctionSchema functionSchema, QueryEngine kustoQueryEngine)
 {
     kustoQueryEngine.DropFunction(functionSchema);
 }
Ejemplo n.º 32
0
 public TestTdsServer(QueryEngine engine, TDSServerArguments args) : base(args)
 {
     this.Engine = engine;
 }
Ejemplo n.º 33
0
 /// <summary>
 /// Формирует запрос из формы
 /// </summary>
 /// <param name="form">Форма на основе которого будет формироваться структура запроса</param>
 /// <returns>Запрос на выборку данных из БД</returns>
 public QueryDef QueryFromForm(BizForm form)
 {
     using (var engine = new QueryEngine(DataContext))
         return(engine.QueryFromForm(form));
 }
Ejemplo n.º 34
0
        void TestR7()
        {
            "\n1) Fetch Value for key 3".title();
            var val = db.getValueOfKey(3);
            val.showElement();
            WriteLine();

            qEngine = new QueryEngine<int, DBElement<int, string>>(db);
            "\n2) Fetch the children of key 1".title();
            var children = qEngine.getChildrenOfKey(1);
            displayChildren(children);

            "\n3) Fetch the keys which starts with r in the below database with key/value pairs".title();             //Taking new database with string keys
            DBElement<string, List<string>> elem = new DBElement<string, List<string>>();
            elem.name = "Christ college";
            elem.descr = "College where the person studied";
            elem.timeStamp = DateTime.Now;
            elem.children.AddRange(new List<string> { "rakesh" });
            elem.payload = new List<string> { "One", "Two", "Three", "Four" };
            dbString.insert("saahith", elem);

            DBElement<string, List<string>> elem1 = new DBElement<string, List<string>>();
            elem1.name = "PESIT college";
            elem1.descr = "College where the person pursued undergraduation";
            elem1.timeStamp = DateTime.Now.AddDays(-2);
            elem1.children.AddRange(new List<string> { "saahith" });
            elem1.payload = new List<string> { "Five", "Six", "Seven", "Eight" };
            dbString.insert("rakesh", elem1);
            dbString.showEnumerableDB();
            WriteLine();

            qEngine2 = new QueryEngine<string, DBElement<string, List<string>>>(dbString);
            string pattern1 = @"(^r)";
            var spKeys = qEngine2.getListStringKeyPattern(pattern1);
            displayStringKeys(spKeys);

            "\n4) Fetch keys with metadata pattern 'Name'".title();
            string pattern = "Name";
            var mdKeys = qEngine.getListMetaDataPattern(pattern);
            displayKeys(mdKeys);

            "\n5) Fetch keys which are created between two dates 29th sept 2015 and 15th oct 2015".title();
            DateTime time1 = new DateTime(2015, 9, 29);
            DateTime time2 = new DateTime(2015, 10, 15);
            var tpKeys = qEngine.getListTimePattern(time1, time2);
            displayKeys(tpKeys);
        }
Ejemplo n.º 35
0
        /// <summary>
        /// Test out the settings before saving them.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnOk_Click(object sender, EventArgs e)
        {
            Cursor lastCursor = Cursor.Current;

            Cursor.Current = Cursors.WaitCursor;

            // Allow for multiple ways of specifying a cluster name
            if (string.IsNullOrEmpty(txtKustoCluster.Text))
            {
                MessageBox.Show($"No Kusto cluster was specified.", "Missing Info", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            string clusterName = QueryEngine.NormalizeClusterName(txtKustoCluster.Text);

            string databaseName = txtKustoDatabase.Text;

            if (string.IsNullOrEmpty(databaseName))
            {
                MessageBox.Show($"No Kusto database was specified.", "Missing Info", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            // If the required info is present, update the cluster textbox with the modified cluster url
            txtKustoCluster.Text = clusterName;

            // Verify connection and permissions by creating and removing a function
            try
            {
                var connString = new KustoConnectionStringBuilder(clusterName)
                {
                    FederatedSecurity = true,
                    InitialCatalog    = databaseName,
                    Authority         = txtAuthority.Text
                };
                var    adminClient  = KustoClientFactory.CreateCslAdminProvider(connString);
                string functionName = "SyncKustoPermissionsTest";
                adminClient.ExecuteControlCommand(
                    CslCommandGenerator.GenerateCreateOrAlterFunctionCommand(
                        functionName,
                        "",
                        "",
                        new Dictionary <string, string>(),
                        "{print now()}"));
                adminClient.ExecuteControlCommand(CslCommandGenerator.GenerateFunctionDropCommand(functionName));

                // Store the settings now that we know they work
                SettingsWrapper.KustoClusterForTempDatabases = clusterName;
                SettingsWrapper.TemporaryKustoDatabase       = databaseName;
                SettingsWrapper.AADAuthority = txtAuthority.Text;

                this.Close();
            }
            catch (Exception ex)
            {
                if (ex.Message.Contains("403-Forbidden"))
                {
                    MessageBox.Show($"The current user does not have permission to create a function on cluster('{clusterName}').database('{databaseName}')", "Error Validating Permissions", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                else if (ex.Message.Contains("failed to resolve the service name"))
                {
                    MessageBox.Show($"Cluster {clusterName} could not be found.", "Error Validating Permissions", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                else if (ex.Message.Contains("Kusto client failed to perform authentication"))
                {
                    MessageBox.Show($"Could not authenticate with AAD. Please verify that the AAD Authority is specified correctly.", "Error Authenticating", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
                else
                {
                    MessageBox.Show($"Unknown error: {ex.Message}", "Error Validating Permissions", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }

            Cursor.Current = lastCursor;
        }
Ejemplo n.º 36
0
        private Tree GetProcesses()
        {
            var model = new Tree();

            if (_serverInfo != null)
            {
                try
                {
                    var server = _serverInfo.Server;
                    var rootId = server;
                    model.AddNode(rootId, string.Empty, server, server, server);

                    var taskList = new Dictionary <byte[], int>();
                    _processes = QueryEngine.GetSessions(_serverInfo);
                    var rows          = _processes.AsEnumerable().DistinctBy(r => r.Field <short>("session_id"));
                    var schedulers    = rows.GroupBy(r => r.Field <byte[]>("scheduler_address"));
                    var schedulerList = new List <string>();
                    var workerId      = 0;
                    var taskId        = 0;
                    var blockColor    = Color.Salmon;
                    schedulers.ForEach(s =>
                    {
                        //http://msdn.microsoft.com/en-us/library/ms177526.aspx
                        var scheduler   = s.First();
                        var schedulerId = scheduler.Field <int>("scheduler_id").ToString();
                        string description;
                        var schedulerRoot = KeyScheduler + schedulerId;
                        if (!schedulerList.Contains(schedulerId))
                        {
                            schedulerList.Add(schedulerId);
                            var isIdle  = scheduler.Field <bool>("is_idle");
                            description = string.Format("is idle: {0}\r\ncurrent workers: {1}\r\nactive workers: {2}", isIdle.ToString(), scheduler.Field <int>("current_workers_count").ToString(), scheduler.Field <int>("active_workers_count"));
                            model.AddNode(schedulerRoot, rootId, schedulerRoot, "Scheduler " + schedulerId, description, isIdle ? Color.LightGray : Color.White);
                        }
                        var workers = s.GroupBy(w => w.Field <byte[]>("worker_address"));
                        workers.ForEach(w =>
                        {
                            //http://msdn.microsoft.com/en-us/library/ms178626.aspx
                            var workerRoot      = KeyWorker + workerId;
                            var worker          = w.First();
                            var workerState     = worker.Field <string>("worker_state");
                            var workerStateName = string.Empty;
                            var workerColor     = Color.White;
                            switch (workerState.ToUpper())
                            {
                            case "INIT":
                                workerStateName = "initializing";
                                workerColor     = Color.LightGreen;
                                break;

                            case "RUNNING":
                                workerStateName = "running";
                                workerColor     = Color.LightBlue;
                                break;

                            case "RUNNABLE":
                                workerStateName = "runnable";
                                workerColor     = Color.Green;
                                break;

                            case "SUSPENDED":
                                workerStateName = "suspended";
                                workerColor     = Color.LightGray;
                                break;

                            default:
                                workerStateName = "unkown";
                                break;
                            }
                            var workerIsSick              = worker.Field <bool>("is_sick");
                            var workerIsFatalException    = worker.Field <bool>("is_fatal_exception");
                            var workerExceptionCount      = worker.Field <int>("exception_num");
                            var workerTasksProcessedCount = worker.Field <int>("tasks_processed_count");
                            var workerLastResult          = worker.Field <int>("return_code");
                            var workerLastResultName      = string.Empty;
                            switch (workerLastResult)
                            {
                            case 0:
                                workerLastResultName = "success";
                                break;

                            case 3:
                                workerLastResultName = "dead lock";
                                break;

                            case 4:
                                workerLastResultName = "premature wakeup";
                                break;

                            case 258:
                                workerLastResultName = "time out";
                                break;

                            default:
                                workerLastResultName = string.Format("(unkown:{0})", workerLastResult);
                                break;
                            }
                            description = string.Format("processed tasks: {0}\r\nstate: {1}\r\nis sick: {2}\r\nis fatal exception:{3}\r\nexception number:{4}\r\nlast result:{5}", workerTasksProcessedCount, workerStateName, workerIsSick.ToString(), workerIsFatalException.ToString(), workerExceptionCount, workerLastResultName);

                            model.AddNode(workerRoot, schedulerRoot, workerRoot, "Worker " + workerId, description, workerColor);

                            var tasks = w.GroupBy(t => t.Field <byte[]>("task_address"));
                            tasks.ForEach(t =>
                            {
                                //http://msdn.microsoft.com/en-us/library/ms174963.aspx
                                var taskRoot    = KeyTask + taskId;
                                var task        = t.First();
                                var taskAddress = task.Field <byte[]>("task_address");
                                if (!taskList.ContainsKey(taskAddress))
                                {
                                    taskList.Add(taskAddress, taskId);
                                }
                                var taskState     = task.Field <string>("task_state");
                                var taskStateName = string.Empty;
                                var taskColor     = Color.White;
                                switch (taskState.ToUpper())
                                {
                                case "PENDING":
                                    taskStateName = "pending";
                                    taskColor     = Color.LightGreen;
                                    break;

                                case "RUNNING":
                                    taskStateName = "running";
                                    taskColor     = Color.LightBlue;
                                    break;

                                case "RUNNABLE":
                                    taskStateName = "runnable";
                                    taskColor     = Color.Green;
                                    break;

                                case "SUSPENDED":
                                    taskStateName = "suspended";
                                    taskColor     = Color.LightGray;
                                    break;

                                case "DONE":
                                    taskStateName = "done";
                                    taskColor     = Color.White;
                                    break;

                                case "SPINLOOP":
                                    taskStateName = "spin loop";
                                    taskColor     = Color.LightSalmon;
                                    break;

                                default:
                                    taskStateName = "unknown";
                                    break;
                                }
                                description = string.Format("state:" + taskStateName);
                                model.AddNode(taskRoot, workerRoot, taskRoot, "Task " + taskId, description, taskColor);

                                taskId++;
                            });

                            workerId++;
                        });
                    });


                    var addedProcesses  = new List <short>();
                    var lockedProcesses = QueryEngine.GetLockedProcesses(_serverInfo);
                    lockedProcesses.AsEnumerable().ForEach(p =>
                    {
                        var spid = p.Field <short>("SPID");
                        var task = rows.FirstOrDefault(r => r.Field <short>("session_id") == spid);
                        if (task != null)
                        {
                            var taskAddress = task.Field <byte[]>("task_address");
                            int parent;
                            if (taskList.TryGetValue(taskAddress, out parent))
                            {
                                var taskRoot    = KeyTask + parent;
                                var requstId    = KeyRequest + spid;
                                var description = GetProcessDescription(task);
                                var blockingId  = p.Field <short?>("BlockingSPID");
                                Color backColor;
                                if (blockingId != null && blockingId != 0)
                                {
                                    taskRoot  = KeyRequest + blockingId;
                                    backColor = blockColor;
                                }
                                else
                                {
                                    backColor   = Color.Red;
                                    description = "!blocking root, kill it!\r\n\r\n" + description;
                                }
                                var currentServer      = _serverInfo.Clone();
                                currentServer.Database = task.Field <string>("database_name");
                                var lockedObjects      = QueryEngine.GetLockedObjects(spid, currentServer);
                                var lockedObjectList   = new StringBuilder();
                                if (lockedObjects.Rows.Count > 0)
                                {
                                    var sessionLockedObjects = lockedObjects.AsEnumerable();
                                    if (sessionLockedObjects.Any())
                                    {
                                        lockedObjectList.AppendLine("locked objects:");
                                        sessionLockedObjects.ForEach(r =>
                                        {
                                            lockedObjectList.AppendFormat("  {0}.{1}.{2}\r\n", r.Field <string>("DatabaseName"), r.Field <string>("SchemaName"), r.Field <string>("ObjectName"));
                                        });
                                    }
                                }
                                description = lockedObjectList.ToString() + description;
                                addedProcesses.Add(spid);
                                model.AddNode(requstId, taskRoot, requstId, "Process " + spid, description, backColor);
                            }
                        }
                    });


                    rows.ForEach(p =>
                    {
                        var sessionId = p.Field <short>("session_id");
                        if (!addedProcesses.Contains(sessionId))
                        {
                            var session     = KeyRequest + sessionId;
                            var taskAddress = p.Field <byte[]>("task_address");
                            var task        = taskList[taskAddress];
                            var taskRoot    = KeyTask + task;
                            var description = GetProcessDescription(p);
                            Color backColor;
                            var sessionStatus = p.Field <string>("session_status");
                            switch (sessionStatus.ToUpper())
                            {
                            case "RUNNING":
                                backColor = Color.LightBlue;
                                break;

                            case "SLEEPING":
                                backColor = Color.LightGray;
                                break;

                            case "DORMANT":
                                backColor = Color.Gray;
                                break;

                            case "PRECONNECT":
                                backColor = Color.Gray;
                                break;

                            default:
                                backColor = Color.White;
                                break;
                            }
                            model.AddNode(session, taskRoot, session, "Process " + sessionId, description, backColor);
                        }
                    });

                    var title = "Process Visualizer ({0})";
                    if (lockedProcesses.Rows.Count > 0)
                    {
                        title += ", found {1} dead lock processes!";
                    }
                    this.Text = string.Format(title, _serverInfo.Server, lockedProcesses.Rows.Count);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(this, ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            return(model);
        }
Ejemplo n.º 37
0
        public void GetQueryResults_OnlyExcTerms_ThrowsException()
        {
            var queryBuilder = new QueryBuilder("-first -third");

            Assert.Throws <ArgumentException>(() => QueryEngine.GetQueryResults(queryBuilder, mockedInvertedIndex.Object));
        }
Ejemplo n.º 38
0
 //Main function parses and sends the messages to server//
 static void Main(string[] args)        {
     Util.verbose = false;
     Server srvr = new Server();
     srvr.ProcessCommandLine(args);
     Console.Title = "Server";
     Console.Write(String.Format("\n  Starting CommService server listening on port {0}", srvr.port));
     Console.Write("\n ====================================================\n");
     Sender sndr = new Sender(Util.makeUrl(srvr.address, srvr.port));
     Receiver rcvr = new Receiver(srvr.port, srvr.address);
     Action serviceAction = () =>               {
         Message msg = null;
         DBEngine<int, DBElement<int, string>> dbserver = new DBEngine<int, DBElement<int, string>>(); //new DBEngine
         QueryEngine QE = new QueryEngine();
         HiResTimer timer = new HiResTimer(); //new object for timer
         while (true)                 {
             msg = rcvr.getMessage();   // note use of non-service method to deQ messages
             Console.Write("\n  Received message:");
             Console.Write("\n  sender is {0}", msg.fromUrl);
             Console.Write("\n  content is {0}\n", msg.content);
             if (msg.content == "connection start message")
                 continue; // don't send back start message
             if (msg.content == "done")
             { Console.Write("\n  client has finished\n");continue; }
             if (msg.content == "closeServer")
             {  Console.Write("received closeServer"); break; }
             timer.Start();                  //start timer
             XElement insertelem = XElement.Parse(msg.content);
             XElement res = new XElement("result", "not found");
             processor rdbserver = new processor();
             Console.WriteLine("\n----------write client operations----------");
             Console.WriteLine("\n");
             //----------select the required method to perform operations------------//
             if (insertelem.Element("Type").Value.Equals("Insert"))
                 res = rdbserver.insert(insertelem, dbserver);
                else if (insertelem.Element("Type").Value.Equals("Delete"))
                 res = rdbserver.Delete(insertelem, dbserver);
              else if (insertelem.Element("Type").Value.Equals("EditName"))
                 res = rdbserver.EditName(insertelem, dbserver);
              else if (insertelem.Element("Type").Value.Equals("getvalue"))
                 res = rdbserver.getvalue(insertelem, dbserver, QE);
              else if (insertelem.Element("Type").Value.Equals("EditDescr"))
                 res = rdbserver.editdescr(insertelem, dbserver);
              else if (insertelem.Element("Type").Value.Equals("getchildren"))
                 res = rdbserver.getchildren(insertelem, dbserver, QE);
             else if (insertelem.Element("Type").Value.Equals("Persist"))
                 res = rdbserver.persistdb(insertelem, dbserver);
             else   Console.Write("   operation failed   ");
              Console.WriteLine("\n-------------server response----------");
             XElement response = new XElement("resonse");
             response.Add(res);
             timer.Stop();              //stop timer
             Console.WriteLine("the time taken for operation is {0}", timer.ElapsedMicroseconds + " MicroSeconds ");
             srvr.send_wpf_msg(timer.ElapsedMicroseconds, sndr);
             Util.swapUrls(ref msg);
             msg.content = response.ToString();
             sndr.sendMessage(msg);             //sending message    
               }   };
     if (rcvr.StartService())
     rcvr.doService(serviceAction); // This serviceAction is asynchronous so the call doesn't block.
     Util.waitForUser();        }    }
Ejemplo n.º 39
0
 void TestR7()
 {
   "Demonstrating Requirement #7".title('=');
   WriteLine();
   "Adding elements to db".title();
   WriteLine();
   for (int i = 0; i < 3; i++)
   {
       DBElement<int, string> elem = new DBElement<int, string>();
       elem.name = "element";
       elem.descr = "test element";
       elem.timeStamp = new DateTime(2015,10,(2+i));
       elem.children.AddRange(new List<int> { 1, 2, 3 });
       elem.payload = "elem's payload";
       elem.showElement();
       WriteLine();
       db.insert(12345+i, elem);
   }     
   "current DB status:".title();
   db.showDB();
   IQuery<int, DBElement<int, string>> i_query = new DBEngine<int, DBElement<int, string>>();
   QueryEngine<int, DBElement<int, string>> qe = new QueryEngine<int, DBElement<int, string>>(db);
   QueryPredicate qp = new QueryPredicate();
   qp.key_value_search(db, i_query, qe);
   WriteLine();
   qp.key_children_search(db, i_query, qe);
   WriteLine();
   qp.pattern_matching(db, i_query, qe);
   WriteLine();
   qp.default_pattern_matching(db, i_query, qe);
   WriteLine();
   qp.metadata_string(db, i_query, qe);
   WriteLine();
   qp.date_time_specific(db, i_query, qe);
   WriteLine();
   qp.default_date_time_specific(db,i_query, qe);
   WriteLine();
 }
Ejemplo n.º 40
0
        static void Main(string[] args)
        {
            "Testing ItemEditor Package".title('=');
            Console.WriteLine();

            DBEngine<int, DBElement<int, string>> db = new DBEngine<int, DBElement<int, string>>();

            DBElement<int, string> elem1 = new DBElement<int, string>();
            elem1.name = "India";
            elem1.descr = "Country";
            elem1.timeStamp = DateTime.Now;
            elem1.children.AddRange(new List<int> { 2, 3 });
            elem1.payload = "Famous cricket player";
            db.insert(1, elem1);
            

            DBElement<int, string> elem2 = new DBElement<int, string>();                            //Add new key/value pairs to the database
            elem2.name = "Roger federer";
            elem2.descr = "Tennis player";
            elem2.timeStamp = DateTime.Now.AddDays(-15);
            elem2.children.AddRange(new List<int> { 3 });
            elem2.payload = "Famous tennis player";
            db.insert(2, elem2);

            DBElement<int, string> elem3 = new DBElement<int, string>();
            elem3.name = "Usain Bolt";
            elem3.descr = "Athelte";
            elem3.timeStamp = DateTime.Now;
            elem3.children.AddRange(new List<int> { 1 });
            elem3.payload = "Fastest in the world";
            db.insert(3, elem3);
            Console.WriteLine();
            db.showDB();

            "\n1) Fetch Value for key 3".title();
            var val = db.getValueOfKey(3);
            val.showElement();
            Console.WriteLine();

            QueryEngine<int,DBElement<int,string>> qEngine = new QueryEngine<int, DBElement<int, string>>(db);
            "\n2) Fetch the children of key 1".title();
            var children = qEngine.getChildrenOfKey(1);
            displayChildren(children);

            DBEngine<string, DBElement<string, List<string>>> db2 = new DBEngine<string, DBElement<string, List<string>>>();
            "\n 3) Fetch the keys which starts with r in the below database with key/value pairs".title();             //Taking new database with string keys
            DBElement<string, List<string>> elem4 = new DBElement<string, List<string>>();
            elem4.name = "Christ college";
            elem4.descr = "College where the person studied";
            elem4.timeStamp = DateTime.Now;
            elem4.children.AddRange(new List<string> { "rakesh" });
            elem4.payload = new List<string> { "One", "Two", "Three", "Four" };
            db2.insert("saahith", elem4);

            DBElement<string, List<string>> elem5 = new DBElement<string, List<string>>();
            elem5.name = "PESIT college";
            elem5.descr = "College where the person pursued undergraduation";
            elem5.timeStamp = DateTime.Now.AddDays(-2);
            elem5.children.AddRange(new List<string> { "saahith" });
            elem5.payload = new List<string> { "Five", "Six", "Seven", "Eight" };
            db2.insert("rakesh", elem5);
            db2.showEnumerableDB();
            WriteLine();

            QueryEngine<string, DBElement<string, List<string>>> qEngine2 = new QueryEngine<string, DBElement<string, List<string>>>(db2);
            string pattern1 = @"(^r)";
            var spKeys = qEngine2.getListStringKeyPattern(pattern1);
            displayStringKeys(spKeys);

            "\n4) Fetch keys with metadata pattern 'Country'".title();
            string pattern = "Country";
            var mdKeys = qEngine.getListMetaDataPattern(pattern);
            displayKeys(mdKeys);

            "\n5) Fetch keys which are created between two dates 29th sept 2015 and 15th oct 2015".title();
            DateTime time1 = new DateTime(2015, 9, 29);
            DateTime time2 = new DateTime(2015, 10, 15);
            var tpKeys = qEngine.getListTimePattern(time1, time2);
            displayKeys(tpKeys);
        }
Ejemplo n.º 41
0
 public virtual bool Any <T>() where T : class
 {
     //OK, to not be wrapped in Try, since QueryEngine does this
     return(QueryEngine.Any <T>());
 }
 /* Defining a query using lambda function to search specific string in metadata 
 */
 public bool metadata_string(DBEngine<string, DBElement<string, List<string>>> db, out IQuery<string, DBElement<string, List<string>>> i_query, QueryEngine<string, DBElement<string, List<string>>> qe, string metadata_str = "ele")
 {
   "Query for specified string in metadata: String = 'ele' ".title();
   WriteLine();
   Func<string, string, bool> stringMetadata = (string key, string search) => //lambda function
   {
     if (!db.Keys().Contains(key))
       return false;
     else
     {
       DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
       db.getValue(key, out ele);
       if (ele.name.Contains(search) || ele.descr.Contains(search))
         return true;
       else return false;
     }
   };
   // pass query to query engine and call simpleQuery to make query on DBEngine
   if (qe.simpleQuery(stringMetadata, metadata_str, out i_query))
   {
     WriteLine();
     foreach (var key in i_query.Keys())
     {
       DBElement<string, List<string>> temp = new DBElement<string, List<string>>();
       i_query.getValue(key, out temp);
       WriteLine("key : {0}", key);
       temp.showEnumerableElement();
       WriteLine();
     }
     return true;
   } else
   {
     return false;
   }
 }
Ejemplo n.º 43
0
 public void TestR7()
 {
   "Demonstrating Requirement #7".title('=');
   WriteLine();
   "Adding elements to db".title();
   WriteLine();
   for (int i = 0; i < 3; i++)
   {
       DBElement<string, List<string>> elem = new DBElement<string, List<string>>();
       elem.name = "element";
       elem.descr = "test element";
       elem.timeStamp = new DateTime(2015,10,(2+i));
       elem.children.AddRange(new List<string> { "one", "two", "three" });
       elem.payload = new List<string>{ "elem's payload1","payload2","payload 3"};
       elem.showEnumerableElement();
       WriteLine();
       enum_db.insert((12345+i).ToString(), elem);
   }     
   "current DB status:".title();
   enum_db.showEnumerableDB();
   IQuery<string, DBElement<string, List<string>>> i_query = new DBEngine<string, DBElement<string, List<string>>>();
   QueryEngine<string, DBElement<string, List<string>>> qe = new QueryEngine<string, DBElement<string, List<string>>>(enum_db);
   QueryPredicate qp = new QueryPredicate();
   qp.key_value_search(enum_db, out i_query, qe);
   WriteLine();
   qp.key_children_search(enum_db, out i_query, qe);
   WriteLine();
   qp.pattern_matching(enum_db, out i_query, qe, "12345");
   WriteLine();
   qp.pattern_matching(enum_db, out i_query, qe);
   WriteLine();
   qp.metadata_string(enum_db, out i_query, qe);
   WriteLine();
   DateTime start = new DateTime(2015, 10, 4);
   DateTime end = new DateTime(2015, 10, 5);
   qp.date_time_specific(enum_db, out i_query, qe, start, end);
   WriteLine();
   qp.default_date_time_specific(enum_db, out i_query, qe, start);
   WriteLine();
 }
        static void Main(string[] args)
        {
            DBEngine<string, DBElement<string, List<string>>> db = new DBEngine<string, DBElement<string, List<string>>>();
            for (int i = 0; i < 3; i++)
            {
                DBElement<string, List<string>> elem = new DBElement<string, List<string>>();
                elem.name = "element";
                elem.descr = "test element";
                elem.timeStamp = new DateTime(2015, 10, (2 + i));
                elem.children.AddRange(new List<string> { "element1", "element2", "element3" });
                elem.payload = new List<string> { "elem's payload1", "elem's payload2" };
                elem.showEnumerableElement();
                WriteLine();
                db.insert("element"+(12345 + i).ToString(), elem);
            }
            for (int i = 0; i < 3; i++)
            {
                DBElement <string, List<string>> elem = new DBElement<string, List<string>>();
                elem.name = "db data";
                elem.descr = "db data description";
                elem.timeStamp = DateTime.Now;
                elem.children.AddRange(new List<string> { "element12345", "element12346", "element12347" });
                elem.payload = new List<string> { "elem's payload1", "elem's payload2" };
                elem.showEnumerableElement();
                WriteLine();
                db.insert("element"+(i+1).ToString(), elem);
            }

            IQuery<string, DBElement<string, List<string>>> i_query = new DBEngine<string, DBElement<string, List<string>>>();
            QueryEngine<string, DBElement<string, List<string>>> qe = new QueryEngine<string, DBElement<string, List<string>>>(db);
            //<---- creating a query predicate object and calling each query on given test database --->
            QueryPredicate qp = new QueryPredicate();
            qp.key_value_search(db, i_query, qe);
            WriteLine();
            qp.key_children_search(db, i_query, qe);
            WriteLine();
            qp.pattern_matching(db, i_query, qe);
            WriteLine();
            qp.default_pattern_matching(db, i_query, qe);
            WriteLine();
            qp.metadata_string(db, i_query, qe);
            WriteLine();
            qp.date_time_specific(db, i_query, qe);
            WriteLine();
            qp.default_date_time_specific(db, i_query, qe);
            WriteLine();
        }
Ejemplo n.º 45
0
 public virtual int Count <T>() where T : class
 {
     //OK, to not be wrapped in Try, since QueryEngine does this
     return(QueryEngine.Count <T>());
 }
 /* Defining a query using lambda function to search children of specific element 
 */
 public bool key_children_search(DBEngine<string, DBElement<string, List<string>>> db, out IQuery<string, DBElement<string, List<string>>> i_query, QueryEngine<string, DBElement<string, List<string>>> qe, string specific_key = "element2")
 {
   
   "Query for children of specified key (key = element2):".title();
   WriteLine();
   Func<string, string, bool> childrenQuery = (string key, string search) => //lambda function
   {
     if (!db.Keys().Contains(key))
       return false;
     if (key == (search))
     {
       DBElement<string, List<string>> ele = new DBElement<string, List<string>>();
       db.getValue(key, out ele);
       return true;
     }
     else return false;
   };
   // pass query to query engine and call simpleQuery to make query on DBEngine
   if (qe.simpleQuery(childrenQuery, specific_key.ToString(), out i_query))
   {
     WriteLine();
     display_children(i_query, db);
     return true;
   }
   else
   {
     return false;
   }
 }
    public static void Main()
    {
        "Testing QueryEngine Package".title('=');
        Console.WriteLine();
        QueryEngine queryv = new QueryEngine();
        DBEngine <int, DBElement <int, string> > newdbq = new DBEngine <int, DBElement <int, string> >();
        DBEngine <string, DBElement <string, List <string> > > newdbqs = new DBEngine <string, DBElement <string, List <string> > >();
        DBElement <int, string> newqelem1 = new DBElement <int, string>();
        DBElement <int, string> newqelem2 = new DBElement <int, string>();
        DBElement <int, string> newqelem3 = new DBElement <int, string>();

        newqelem1.name    = "query elemnt 1";
        newqelem1.descr   = "testing qurey get value for 1";
        newqelem1.payload = "new query element payload 1";
        newqelem1.children.AddRange(new List <int> {
            1, 22, 333
        });
        newqelem2.name    = "query elemnt 2";
        newqelem2.descr   = "testing query get value for 2";
        newqelem2.payload = "new query element payload 2";
        newqelem2.children.AddRange(new List <int> {
            010, 020, 030
        });
        newqelem3.name    = "query elemnt 3";
        newqelem3.descr   = "testing quey get value for 3";
        newqelem3.payload = "new query element payload  3";
        newqelem3.children.AddRange(new List <int> {
            777, 222, 333
        });
        newdbq.insert(1, newqelem1);
        newdbq.insert(2, newqelem2);
        newdbq.insert(3, newqelem3);
        newdbq.showDB();
        DBElement <int, string> displayres = new DBElement <int, string>();

        Console.WriteLine("\n \n getting value for key 2");
        displayres = queryv.queryvalue <int, DBElement <int, string>, string>(newdbq, 2);
        if (displayres != null)
        {
            displayres.showElement();
        }
        Console.WriteLine("\n \n getting children for key 3");
        List <int> childlist = new List <int>();

        childlist = queryv.querychildren <int, DBElement <int, string>, string>(newdbq, 3);
        if (childlist != null)
        {
            foreach (int i in childlist)
            {
                Console.WriteLine(i);
            }
        }
        DBElement <string, List <string> > newelem1q = new DBElement <string, List <string> >(" element 1", "1 is first");
        DBElement <string, List <string> > newelem2q = new DBElement <string, List <string> >(" element 2", "2 is second");
        DBElement <string, List <string> > newelem3q = new DBElement <string, List <string> >(" element 3", " 3 is third");

        newelem1q.children.AddRange(new List <string> {
            " one", "one", "one"
        });
        newelem1q.payload = new List <string> {
            "h", "e", "l", "l", "o"
        };
        newelem2q.children.AddRange(new List <string> {
            " two", "two", "two"
        });
        newelem2q.payload = new List <string> {
            "h", "d", "w", "f", "b"
        };
        newelem3q.children.AddRange(new List <string> {
            " three", "three", "three"
        });
        newelem3q.payload = new List <string> {
            "a", "e", "i", "o", "u"
        };
        newdbqs.insert("one", newelem1q);
        newdbqs.insert("two", newelem2q);
        newdbqs.insert("three", newelem3q);
        newdbqs.showEnumerableDB();
        DBElement <string, List <string> > valuestring = new DBElement <string, List <string> >();

        Console.WriteLine("\n \n getting value for key 2");
        valuestring = queryv.queryvalue <string, DBElement <string, List <string> >, string>(newdbqs, "two");
        if (valuestring != null)
        {
            valuestring.showEnumerableElement();
        }
        DBElement <string, List <string> > valuestrings = new DBElement <string, List <string> >();

        Console.WriteLine("\n \n getting children for key five");
        List <string> childlists = new List <string>();

        childlists = queryv.querychildren <string, DBElement <string, List <string> >, string>(newdbqs, "five");
        if (childlists != null)
        {
            foreach (string cstring in childlists)
            {
                Console.WriteLine(cstring);
            }
        }
    }
Ejemplo n.º 48
0
        static void Main(string[] args)
        {
            "Testing DBFactory Package".title('=');
            WriteLine();

            "\nCreation of immutable database".title();
            WriteLine();

            "\nOriginal database".title();
            DBEngine<int, DBElement<int, string>> db = new DBEngine<int, DBElement<int, string>>();

            DBElement<int, string> elem1 = new DBElement<int, string>();
            elem1.name = "India";
            elem1.descr = "Country";
            elem1.timeStamp = DateTime.Now;
            elem1.children.AddRange(new List<int> { 2, 3 });
            elem1.payload = "Famous cricket player";
            db.insert(1, elem1);

            DBElement<int, string> elem2 = new DBElement<int, string>();
            elem2.name = "Roger federer";
            elem2.descr = "Tennis player";
            elem2.timeStamp = DateTime.Now.AddDays(-15);
            elem2.children.AddRange(new List<int> { 3 });
            elem2.payload = "Famous tennis player";
            db.insert(2, elem2);

            DBElement<int, string> elem3 = new DBElement<int, string>();
            elem3.name = "Usain Bolt";
            elem3.descr = "Athelte";
            elem3.timeStamp = DateTime.Now;
            elem3.children.AddRange(new List<int> { 1 });
            elem3.payload = "Fastest in the world";
            db.insert(3, elem3);

            DBElement<int, string> elem4 = new DBElement<int, string>();
            elem4.name = "Saina Nehwal";
            elem4.descr = "Badminton Player";
            elem4.timeStamp = DateTime.Now;
            elem4.children.AddRange(new List<int> { 2 });
            elem4.payload = "Famous badminton player";
            db.insert(4, elem4);
            db.showDB();
            WriteLine();

            "\n Fetch all the keys which are even from the above database".title();
            try
            {
                QueryEngine<int, DBElement<int, string>> qEngine = new QueryEngine<int, DBElement<int, string>>(db);
                Dictionary<int, DBElement<int, string>> dictFactory = new Dictionary<int, DBElement<int, string>>();
                DBFactory<int, DBElement<int, string>> dbFactory;
                var keys = qEngine.getListKeyPattern();
                if (keys != null)
                {
                    foreach (var key in keys)
                    {
                        var val = db.getValueOfKey(key);
                        dictFactory.Add(key, val);                                                              //add keys and values to the dictionary
                    }
                    dbFactory = new DBFactory<int, DBElement<int, string>>(dictFactory);                        //store the dictionary in the 
                    WriteLine("\nThe below key/value pairs with even keys pattern are saved as an immutable database\n");
                    dbFactory.showDB();                                                                         //display the immutable database
                    WriteLine();
                    WriteLine();
                }
                else
                {
                    WriteLine("\nNo keys are obtained from a query for creation of immutable database\n");
                }
                WriteLine();
                WriteLine();
            }
            catch (Exception e)
            {
                Console.WriteLine("\n" + e.Message + "\n");
            }
        }
    static void Main(string[] args)
    {
        QueryEngine <int, DBElement <int, string>, string> qe = new QueryEngine <int, DBElement <int, string>, string>();
        QueryEngine <string, DBElement <string, List <string> >, List <string> > qeLOS = new QueryEngine <string, DBElement <string, List <string> >, List <string> >();
        DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
        DBElement <int, string> elem   = new DBElement <int, string>();
        DBElement <int, string> Result = new DBElement <int, string>();

        elem.name      = "Test";
        elem.descr     = "Test descr";
        elem.timeStamp = DateTime.Now;
        elem.children.AddRange(new List <int> {
            1, 2, 3
        });
        elem.payload = "Test Payload";
        db.insert(0, elem);

        DBElement <int, string> elem1 = new DBElement <int, string>();

        elem1.name      = "Test 1";
        elem1.descr     = "Test descr 1";
        elem1.timeStamp = DateTime.Now;
        elem1.children.AddRange(new List <int> {
            4, 5, 6
        });
        elem1.payload = "Test Payload 1";
        db.insert(1, elem1);

        DBEngine <string, DBElement <string, List <string> > > dbLOS = new DBEngine <string, DBElement <string, List <string> > >();
        DBElement <string, List <string> > elemLOS   = new DBElement <string, List <string> >();
        DBElement <string, List <string> > ResultLOS = new DBElement <string, List <string> >();

        elemLOS.name      = "Test";
        elemLOS.descr     = "Test descr";
        elemLOS.timeStamp = DateTime.Now;
        elemLOS.children  = new List <string> {
            "One", "Two", "Three"
        };
        elemLOS.payload = new List <string> {
            "Test Payload", "Payload"
        };
        dbLOS.insert("One", elemLOS);

        DBElement <string, List <string> > elemLOS1 = new DBElement <string, List <string> >();

        elemLOS1.name      = "Test 2";
        elemLOS1.descr     = "Test descr 2";
        elemLOS1.timeStamp = DateTime.Now;
        elemLOS1.children  = new List <string> {
            "Four", "Five", "Six"
        };
        elemLOS1.payload = new List <string> {
            "Test Payload 2", "Payload 2"
        };
        dbLOS.insert("Two", elemLOS1);

        if (qe.getValue(0, db, out Result))
        {
            WriteLine("Value of key 0:\n{0}\n  Payload:  {1}", Result.showMetaData(), Result.payload.ToString());
        }
        else
        {
            WriteLine("Key not found");
        }
        WriteLine();
        if (qeLOS.getValue("One", dbLOS, out ResultLOS))
        {
            WriteLine("Value of key:\n{0}\n  Payload: {1}", ResultLOS.showMetaData(), qeLOS.ToString(ResultLOS.payload));
        }
        else
        {
            WriteLine("Key not found");
        }
        WriteLine();

        if (qe.getChildren(0, db, out children))
        {
            WriteLine("Children of specified key: {0}", qe.ToString(children));
        }
        else
        {
            WriteLine("Key not found");
        }
        if (qeLOS.getChildren("One", dbLOS, out childrenLOS))
        {
            WriteLine("Children of specified key: {0}", qeLOS.ToString(childrenLOS));
        }
        else
        {
            WriteLine("Key not found");
        }
        WriteLine();

        if (qe.searchPattern(0, db, out Keys))
        {
            Console.WriteLine("Set of Keys: {0}", qe.ToString(Keys));
        }
        else
        {
            Console.WriteLine("No Keys found!");
        }
        if (qeLOS.searchPattern("O", dbLOS, out KeysLOS))
        {
            Console.WriteLine("Set of Keys: {0}", qeLOS.ToString(KeysLOS));
        }
        else
        {
            Console.WriteLine("No Keys found!");
        }
        WriteLine();

        if (qe.searchString("descr", db, out Keys))
        {
            Console.WriteLine("Set of Keys: {0}", qe.ToString(Keys));
        }
        else
        {
            Console.WriteLine("\nNo Keys found!");
        }
        if (qeLOS.searchString("Test", dbLOS, out KeysLOS))
        {
            Console.WriteLine("Set of Keys: {0}", qeLOS.ToString(KeysLOS));
        }
        else
        {
            Console.WriteLine("No Keys found!");
        }
        WriteLine();

        if (qe.searchInterval("10/7/1999 12:00:00 AM", "", db, out Keys))
        {
            Console.WriteLine("Set of Keys: {0}", qe.ToString(Keys));
        }
        else
        {
            Console.WriteLine("\nNo Keys found!");
        }
        if (qeLOS.searchInterval("10/7/1999 12:00:00 AM", "", dbLOS, out KeysLOS))
        {
            Console.WriteLine("Set of Keys: {0}", qeLOS.ToString(KeysLOS));
        }
        else
        {
            Console.WriteLine("No Keys found!");
        }
        WriteLine();
    }
Ejemplo n.º 50
0
    public QueryEngineCustomOperators()
    {
        GenerateData(1000);

        // Setup the query engine
        m_QueryEngine = new QueryEngine <MyCustomObjectType>();
        // Id supports all operators
        m_QueryEngine.AddFilter("id", myObj => myObj.Id);

        // Setup what data will be matched against search words
        m_QueryEngine.SetSearchDataCallback(myObj => new[] { myObj.Id.ToString() });

        // Extend the set of operators and type parsers

        // Modulo operator will work on all filters that are integers
        const string moduloOp = "%";

        m_QueryEngine.AddOperator(moduloOp);
        m_QueryEngine.AddOperatorHandler(moduloOp, (int ev, int fv) => ev % fv == 0);

        // List operator will work on al filters that have an integer as left hand side and
        // a list of integers as right hand side
        var listOp = "?";

        m_QueryEngine.AddOperator(listOp);
        m_QueryEngine.AddOperatorHandler(listOp, (int ev, List <int> values) => values.Contains(ev));

        // To correctly parse this new type (because it is not supported by default), we add a type parser
        m_QueryEngine.AddTypeParser(s =>
        {
            var tokens = s.Split(',');
            if (tokens.Length == 0)
            {
                return(new ParseResult <List <int> >(false, null));
            }

            var numberList = new List <int>(tokens.Length);
            foreach (var token in tokens)
            {
                if (TryConvertValue(token, out int number))
                {
                    numberList.Add(number);
                }
                else
                {
                    return(new ParseResult <List <int> >(false, null));
                }
            }

            return(new ParseResult <List <int> >(true, numberList));
        });

        // We an also extend existing operators

        // Position supports =, !=, <, >, <=, >=
        m_QueryEngine.AddFilter("p", myObj => myObj.Position, new[] { "=", "!=", "<", ">", "<=", ">=" });

        // Extend the =, !=, <, >, <=, >= operators to support comparing Vector2's magnitude
        m_QueryEngine.AddOperatorHandler("=", (Vector2 ev, Vector2 fv) => Math.Abs(ev.magnitude - fv.magnitude) < float.Epsilon);
        m_QueryEngine.AddOperatorHandler("!=", (Vector2 ev, Vector2 fv) => Math.Abs(ev.magnitude - fv.magnitude) > float.Epsilon);
        m_QueryEngine.AddOperatorHandler("<", (Vector2 ev, Vector2 fv) => ev.magnitude < fv.magnitude);
        m_QueryEngine.AddOperatorHandler(">", (Vector2 ev, Vector2 fv) => ev.magnitude > fv.magnitude);
        m_QueryEngine.AddOperatorHandler("<=", (Vector2 ev, Vector2 fv) => ev.magnitude <= fv.magnitude);
        m_QueryEngine.AddOperatorHandler(">=", (Vector2 ev, Vector2 fv) => ev.magnitude >= fv.magnitude);

        // Add a new type parser for Vector2
        m_QueryEngine.AddTypeParser(s =>
        {
            if (!s.StartsWith("[") || !s.EndsWith("]"))
            {
                return(new ParseResult <Vector2>(false, Vector2.zero));
            }

            var trimmed      = s.Trim('[', ']');
            var vectorTokens = trimmed.Split(',');
            var vectorValues = vectorTokens.Select(token => float.Parse(token, CultureInfo.InvariantCulture.NumberFormat)).ToList();
            Assert.AreEqual(vectorValues.Count, 2);
            var vector = new Vector2(vectorValues[0], vectorValues[1]);
            return(new ParseResult <Vector2>(true, vector));
        });

        // If you don't want to add a multitude of operator handlers, you can define
        // a generic filter handler that will handle all existing operators on a filter
        m_QueryEngine.AddFilter <string>("is", IsFilterResolver);
    }
Ejemplo n.º 51
0
        object IInvokeServiceOps.InvokeServiceOperation(int opCode, object[] args)
        {
            MobiusQueryEngineService op = (MobiusQueryEngineService)opCode;

            switch (op)
            {
            case MobiusQueryEngineService.Initialize:
            {
                Qel.QueryEngine.InitializeForSession();
                return(null);
            }

            case MobiusQueryEngineService.CreateInstance:
            {
                Qel.QueryEngine instance = new Mobius.QueryEngineLibrary.QueryEngine();
                return(instance.Id);
            }

            case MobiusQueryEngineService.DisposeInstance:
            {
                int  instanceId = (int)args[0];
                bool disposed   = Qel.QueryEngine.Dispose(instanceId);
                return(disposed);
            }

            case MobiusQueryEngineService.SetParameter:
            {
                string parm = "", value = "";

                if (args.Length == 2)
                {
                    parm  = args[0].ToString();
                    value = args[1].ToString();
                }

                else                                 // old form (remove when all old clients are updated)
                {
                    parm  = "DatabaseSubset";
                    value = args[0].ToString();
                }

                Qel.QueryEngine.SetParameter(parm, value);
                return(null);
            }

            case MobiusQueryEngineService.GetSummarizationDetailQuery:
            {
                int    instanceId     = (int)args[0];
                string metaTableName  = (string)args[1];
                string metaColumnName = (string)args[2];
                int    level          = (int)args[3];
                string resultId       = (string)args[4];

                //Qel.QueryEngine qe = null;
                //lock (Qel.QueryEngine.IdToInstanceDict)
                //{
                //	if (Qel.QueryEngine.IdToInstanceDict.ContainsKey(instanceId))
                //	{
                //		qe = Qel.QueryEngine.IdToInstanceDict[instanceId];
                //	}
                //}
                //if (qe != null)
                //{

                string     queryXml = "";
                Data.Query query    = QueryEngine.GetSummarizationDetailQuery(metaTableName, metaColumnName, level, resultId);
                if (query != null)
                {
                    queryXml = query.Serialize(false);
                }
                return(queryXml);

                //}
                //else
                //{
                //	throw new ArgumentException("Not a valid query engine instance id!");
                //}
            }

            case MobiusQueryEngineService.GetDrilldownDetailQuery:
            {
                int    instanceId     = (int)args[0];
                string metaTableName  = (string)args[1];
                string metaColumnName = (string)args[2];
                int    level          = (int)args[3];
                string resultId       = (string)args[4];

                //Qel.QueryEngine qe = null;
                //lock (Qel.QueryEngine.IdToInstanceDict)
                //{
                //	if (Qel.QueryEngine.IdToInstanceDict.ContainsKey(instanceId))
                //	{
                //		qe = Qel.QueryEngine.IdToInstanceDict[instanceId];
                //	}
                //}
                //if (qe != null)
                //{

                Mobius.Data.MetaTable  metaTable  = Mobius.Data.MetaTableCollection.GetExisting(metaTableName);
                Mobius.Data.MetaColumn metaColumn = metaTable.GetMetaColumnByName(metaColumnName);
                Data.Query             query      = QueryEngine.GetDrilldownDetailQuery(metaTable, metaColumn, level, resultId);
                string queryXml = query.Serialize(false);
                return(queryXml);

                //}
                //else
                //{
                //	throw new ArgumentException("Not a valid query engine instance id!");
                //}
            }

            case MobiusQueryEngineService.GetImage:
            {
                string mtMcName = null;

                int instanceId = (int)args[0];

                if (args[1] is string)                                 // New "mtName.mcName" format for arg (Post Client 5.0)
                {
                    mtMcName = (string)args[1];
                }

                else if (args[1] is MetaColumn)                                 // old Mobius.Services.Types.MetaColumn format
                {
                    MetaColumn mc = (MetaColumn)args[1];
                    mtMcName = mc.MetaTable.Name + "." + mc.Name;
                }

                else
                {
                    return(null);                                 // error
                }
                Mobius.Data.MetaColumn mobiusMC = Mobius.Data.MetaColumn.ParseMetaTableMetaColumnName(mtMcName);

                string graphicsIdString = (string)args[2];
                int    desiredWidth     = (int)args[3];

                Qel.QueryEngine qe = GetQueryEngineInstance(instanceId);

                //Mobius.Data.MetaColumn mobiusMC = _transHelper.Convert<MetaColumn, Mobius.Data.MetaColumn>(metaColumn);
                System.Drawing.Bitmap bitmap = qe.GetImage(mobiusMC, graphicsIdString, desiredWidth);
                Types.Bitmap          result = new Types.Bitmap(bitmap);
                return(result);
            }

            case MobiusQueryEngineService.ResolveCidListReference:
            {
                string tok = (string)args[0];
                Mobius.Data.UserObject uo     = Qel.QueryEngine.ResolveCidListReference(tok);
                UserObjectNode         result = _transHelper.Convert <Mobius.Data.UserObject, UserObjectNode>(uo);
                return(result);
            }

            case MobiusQueryEngineService.GetRootTable:
            {
                string                queryString = (string)args[0];
                Mobius.Data.Query     mobiusQuery = Data.Query.Deserialize(queryString);
                Mobius.Data.MetaTable mobiusMT    = Qel.QueryEngine.GetRootTable(mobiusQuery);
                string                mtString    = null;
                if (mobiusMT != null)
                {
                    mtString = mobiusMT.Serialize();
                }
                return(mtString);
            }

            case MobiusQueryEngineService.DoPresearchChecksAndTransforms:
            {
                string     serializedQuery = (string)args[0];
                Data.Query q = Data.Query.Deserialize(serializedQuery);
                q = Qel.QueryEngine.DoPreSearchTransformations(q);
                if (q == null)
                {
                    return(null);
                }
                string serializedQuery2 = q.Serialize(true);
                return(serializedQuery2);
            }

            case MobiusQueryEngineService.GetKeys:
            {
                int             instanceId = (int)args[0];
                Qel.QueryEngine qe         = GetQueryEngineInstance(instanceId);
                List <string>   keys       = qe.GetKeys();
                return(keys);
            }

            case MobiusQueryEngineService.ExecuteQuery:
            {
                int             instanceId      = (int)args[0];
                string          serializedQuery = (string)args[1];
                Qel.QueryEngine qe     = GetQueryEngineInstance(instanceId);
                Data.Query      q      = Data.Query.Deserialize(serializedQuery);
                List <string>   result = qe.ExecuteQuery(q, false, false);
                return(result);
            }

            case MobiusQueryEngineService.TransformAndExecuteQuery:
            {
                int    instanceId      = (int)args[0];
                string serializedQuery = (string)args[1];

                Qel.QueryEngine qe = GetQueryEngineInstance(instanceId);
                Data.Query      q2;
                Data.Query      q       = Data.Query.Deserialize(serializedQuery);
                List <string>   keyList = qe.TransformAndExecuteQuery(q, out q2);
                object[]        sa      = new object[2];
                sa[0] = keyList;
                if (q2 != null)                                 // any transformed query?
                {
                    sa[1] = q2.Serialize(true, true);           // serialize including metatables not previously send to client
                }
                return(sa);
            }

            case MobiusQueryEngineService.BuildSqlStatements:
            {
                int    instanceId      = (int)args[0];
                string serializedQuery = (string)args[1];

                Qel.QueryEngine qe            = GetQueryEngineInstance(instanceId);
                Data.Query      q             = Data.Query.Deserialize(serializedQuery);
                string          sqlStatements = qe.BuildSqlStatements(q);
                return(sqlStatements);
            }

            case MobiusQueryEngineService.SaveSpotfireSql:
            {
                string sqlStmtName     = (string)args[0];
                string serializedQuery = (string)args[1];

                Data.Query q      = Data.Query.Deserialize(serializedQuery);
                int        stmtId = Mobius.QueryEngineLibrary.QueryEngine.SaveSpotfireSql(sqlStmtName, q);
                return(stmtId);
            }

            case MobiusQueryEngineService.SaveSpotfireKeyList:
            {
                string keyColName, listType, keyList;
                if (args.Length >= 3)
                {
                    keyColName = (string)args[0];
                    listType   = (string)args[1];
                    keyList    = (string)args[2];
                }

                else if (args.Length == 2)                                 // old form
                {
                    keyColName = "CORP_ID";
                    listType   = (string)args[0];
                    keyList    = (string)args[1];
                }

                else                                 // old form for cid list
                {
                    keyColName = "CORP_ID";
                    listType   = "CIDLIST";
                    keyList    = (string)args[0];
                }

                string keyListName = Mobius.QueryEngineLibrary.QueryEngine.SaveSpotfireKeyList(keyColName, listType, keyList);
                return(keyListName);
            }

            case MobiusQueryEngineService.ReadSpotfireSql:
            {
                string sqlStmtName = args[0] as string;
                int    version     = (int)args[1];
                string sql         = Mobius.QueryEngineLibrary.QueryEngine.ReadSpotfireSql(sqlStmtName, version);
                return(sql);
            }

            case MobiusQueryEngineService.RemapTablesForRetrieval:                     // DoPreRetrievalTransformation
            {
                int instanceId = (int)args[0];

                Qel.QueryEngine   qe = GetQueryEngineInstance(instanceId);
                Mobius.Data.Query q  = qe.DoPreRetrievalTableExpansions();
                if (q == null)
                {
                    return(null);
                }

                string serializedQuery = q.Serialize(true);                                 // serialize including metatables not previously included
                return(serializedQuery);
            }

            case MobiusQueryEngineService.NextRowsSerialized:
            {
                int  minRows       = 1;
                bool returnQeStats = false;
                List <Mobius.Data.MetaBrokerStats> mbStats = null;

                int instanceId = (int)args[0];
                int ai         = 1;
                if (args.Length >= 4)                                 // newer version with minRows arg
                {
                    minRows = (int)args[ai++];
                }

                int maxRows = (int)args[ai++];
                int maxTime = (int)args[ai++];

                if (ai < args.Length)                                 // newer version with returnQeStats arg
                {
                    returnQeStats = (bool)args[ai++];
                }

                Qel.QueryEngine qe = GetQueryEngineInstance(instanceId);

                if (returnQeStats)
                {
                    mbStats = new List <Mobius.Data.MetaBrokerStats>();
                }

                byte[] serializedRows = qe.NextRowsSerialized(minRows, maxRows, maxTime, mbStats);

                if (!returnQeStats)
                {
                    return(serializedRows);
                }

                else                                 // return serialized rows and stats in a two-element object array
                {
                    object[] oa = new object[2];
                    oa[0] = serializedRows;
                    oa[1] = Mobius.Data.MetaBrokerStats.SerializeList(mbStats);
                    return(oa);
                }
            }

            case MobiusQueryEngineService.NextRows:
            {
                int minRows = 1;

                int instanceId = (int)args[0];
                int ai         = 1;
                if (args.Length >= 4)                                 // newer version with minRows arg
                {
                    minRows = (int)args[ai++];
                }

                int maxRows = (int)args[ai++];
                int maxTime = (int)args[ai++];

                Qel.QueryEngine qe = GetQueryEngineInstance(instanceId);

                List <object[]> rows = qe.NextRows(minRows, maxRows, maxTime);

                DataRow        dataRow  = null;
                List <DataRow> dataRows = new List <DataRow>();
                if (rows == null)
                {
                    return(dataRows);
                }

                for (int ri = 0; ri < rows.Count; ri++)                                 // convert each row
                {
                    object[] row = rows[ri];
                    if (row != null)
                    {
                        dataRow = new DataRow();
                        object[] convertedRow = new object[row.Length];
                        for (int i = 0; i < row.Length; i++)
                        {
                            convertedRow[i] = _transHelper.ConvertObject(row[i]);
                        }
                        dataRow.Data = convertedRow;
                    }

                    dataRows.Add(dataRow);
                }
                return(dataRows);
            }

            case MobiusQueryEngineService.NextRow:
            {
                int             instanceId = (int)args[0];
                Qel.QueryEngine qe         = GetQueryEngineInstance(instanceId);

                object[] row     = qe.NextRow();
                DataRow  dataRow = null;
                if (row != null)
                {
                    dataRow = new DataRow();
                    object[] convertedRow = new object[row.Length];
                    for (int i = 0; i < row.Length; i++)
                    {
                        convertedRow[i] = _transHelper.ConvertObject(row[i]);
                    }
                    dataRow.Data = convertedRow;
                }

                return(dataRow);
            }

            case MobiusQueryEngineService.Close:
            {
                int             instanceId = (int)args[0];
                Qel.QueryEngine qe         = GetQueryEngineInstance(instanceId);
                qe.Close();
                return(true);
            }

            case MobiusQueryEngineService.Cancel:
            {
                int             instanceId = (int)args[0];
                Qel.QueryEngine qe         = GetQueryEngineInstance(instanceId);
                qe.Cancel(false);
                return(true);
            }

            case MobiusQueryEngineService.GetQueryEngineState:
            {
                int instanceId = (int)args[0];

                Qel.QueryEngine qe = GetQueryEngineInstance(instanceId);
                Mobius.Data.QueryEngineState state  = qe.State;
                QueryEngineState             result = _transHelper.Convert <Mobius.Data.QueryEngineState, QueryEngineState>(state);
                return(result);
            }

            case MobiusQueryEngineService.LogExceptionAndSerializedQuery:
            {
                string     exMsg           = (string)args[0];
                string     serializedQuery = (string)args[1];
                Data.Query query           = Data.Query.Deserialize(serializedQuery);
                return(Qel.QueryEngine.LogExceptionAndSerializedQuery(exMsg, query));
            }

            case MobiusQueryEngineService.LogQueryExecutionStatistics:
            {
                Qel.QueryEngine.LogQueryExecutionStatistics();
                return(null);
            }

            case MobiusQueryEngineService.ValidateCalculatedFieldExpression:
            {
                string advExpr = (string)args[0];
                return(Qel.QueryEngine.ValidateCalculatedFieldExpression(advExpr));
            }

            case MobiusQueryEngineService.CreateQueryFromMQL:
            {
                string            mql         = (string)args[0];
                Mobius.Data.Query mobiusQuery = Mobius.Data.MqlUtil.ConvertMqlToQuery(mql);

                Query result = _transHelper.Convert <Mobius.Data.Query, Query>(mobiusQuery);                                //translate the result
                return(result);
            }

            case MobiusQueryEngineService.ExecuteMQLQuery:
            {
                Mobius.Data.Query q2;

                int    instanceId = (int)args[0];
                string mql        = (string)args[1];

                Qel.QueryEngine qe = GetQueryEngineInstance(instanceId);

                Mobius.Data.Query q      = Mobius.Data.MqlUtil.ConvertMqlToQuery(mql);
                List <string>     result = qe.TransformAndExecuteQuery(q, out q2);
                return(result);
            }

            case MobiusQueryEngineService.GetSelectAllDataQuery:
            {
                string mtName   = (string)args[0];
                string cn       = (string)args[1];
                string queryXml = "";

                Mobius.Data.Query q = QueryEngineLibrary.QueryEngine.GetSelectAllDataQuery(mtName, cn);
                if (q != null)
                {
                    queryXml = q.Serialize(false);
                }
                return(queryXml);
            }

            case MobiusQueryEngineService.GetStandardMobileQueries:
            {
                Data.Query[] mobileQueries = QueryEngineLibrary.QueryEngine.GetStandardMobileQueries();

                List <Query> queries = new List <Query>();

                foreach (Data.Query query in mobileQueries)
                {
                    Query typesQuery = _transHelper.Convert <Mobius.Data.Query, Query>(query);
                    queries.Add(typesQuery);
                }

                return(queries.ToArray());
            }

            case MobiusQueryEngineService.GetMobileQueriesByOwner:
            {
                string       user          = (string)args[0];
                Data.Query[] mobileQueries = QueryEngineLibrary.QueryEngine.GetMobileQueriesByOwner(user);

                List <Query> queries = new List <Query>();

                foreach (Data.Query query in mobileQueries)
                {
                    Query typesQuery = _transHelper.Convert <Mobius.Data.Query, Query>(query);
                    queries.Add(typesQuery);
                }

                return(queries.ToArray());
            }

            case MobiusQueryEngineService.GetAdditionalData:
            {
                int    instanceId = (int)args[0];
                string command    = (string)args[1];

                Qel.QueryEngine qe = GetQueryEngineInstance(instanceId);

                object o = qe.GetAdditionalData(command);
                return(o);
            }

            case MobiusQueryEngineService.ExportDataToSpotfireFiles:
            {
                int             instanceId = (int)args[0];
                Qel.QueryEngine qe         = GetQueryEngineInstance(instanceId);

                ExportParms ep = ExportParms.Deserialize(args[1] as string);

                QueryEngineStats qeStats = qe.ExportDataToSpotfireFiles(ep);

                return(qeStats != null ? qeStats.Serialize() : null);
            }

            case MobiusQueryEngineService.CompleteRowRetrieval:
            {
                int             instanceId = (int)args[0];
                Qel.QueryEngine qe         = GetQueryEngineInstance(instanceId);

                QueryEngineStats qeStats = qe.CompleteRowRetrieval();

                return(qeStats != null ? qeStats.Serialize() : null);
            }

            default:
                throw new InvalidOperationException("Unrecognized operation: " + (int)op);
            }
        }
 // function to getchildren
 public XElement getchildren(XElement dbe, DBEngine<int, DBElement<int, string>> db, QueryEngine QE)
 {
     Console.WriteLine("\n The children List is obtained ");
     QE.querychildren<int, DBElement<int, string>, string>(db, 1);
     if (QE.Equals(null))
     {
         XElement f = new XElement("result", " no children in list ");
         return f;
     }
     else
     {
         XElement s = new XElement("result", " children obtained from the specified key ");
         return s;
     }
 }
Ejemplo n.º 53
0
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
        private void OkButton_Click(object sender, EventArgs e)
        {
            QueryTable  qt;
            QueryColumn qc, qc2;
            MetaTable   mt;
            string      tName, tableLabel, selectedTableLabel = null, txt;
            bool        b1;
            int         ti, i1;

// Get summarization & table position tab info

            ti = GetSelectedRow();
            if (ti >= 0)
            {
                selectedTableLabel = (string)DataTable.Rows[ti]["TableNameCol"];
            }

            List <QueryTable> newTables = new List <QueryTable>(); // build new query table list

            Query.Tables = newTables;                              // new set of reordered query tables

            for (i1 = 0; i1 < DataTable.Rows.Count; i1++)
            {
                tableLabel = (string)DataTable.Rows[i1]["TableNameCol"];
                if (tableLabel == "")
                {
                    continue;
                }
                qt = OriginalQueryTables[tableLabel];                 // map text label back to query table
                if (qt == null)
                {
                    continue;                           // shouldn't happen
                }
                object cs            = DataTable.Rows[i1]["SummarizedCol"];
                bool   useSummarized = (cs is bool && (bool)cs == true);

                if ((useSummarized && !qt.MetaTable.UseSummarizedData) ||                 // summary status change?
                    (!useSummarized && qt.MetaTable.UseSummarizedData))
                {
                    qt = qt.AdjustSummarizationLevel(useSummarized);
                }

                //if (Query.GetQueryTableByName(qt.MetaTable.Name) != null) continue; // don't allow same table twice (comment out, multiples of same table allowed now)

                newTables.Add(qt);                 // no change to summary info
                qt.Query = Query;
            }

            if (Query.Tables.Count > 0 && ti < 0)
            {
                ti = 0;                                         // in case nothing selected
            }
// Get basic options

            if (DnfQc.DisplayFormat != ColumnFormatEnum.Unknown)             // default number format changed?
            {
                SS.I.DefaultNumberFormat = DnfQc.DisplayFormat;
                Preferences.Set("DefaultNumberFormat", SS.I.DefaultNumberFormat.ToString());

                SS.I.DefaultDecimals = DnfQc.Decimals;
                Preferences.Set("DefaultDecimals", SS.I.DefaultDecimals.ToString());
            }

            txt = QnfStatsTextEdit.Text;
            Query.StatDisplayFormat = QbUtil.ConvertStatDisplayFormat(txt);

            if (SS.I.TableColumnZoom != TableColumnZoom.ZoomPct)
            {
                SS.I.TableColumnZoom = TableColumnZoom.ZoomPct;
                Preferences.Set("TableColumnZoom", TableColumnZoom.ZoomPct);
            }

            if (SS.I.GraphicsColumnZoom != GraphicsColumnZoom.ZoomPct)
            {
                SS.I.GraphicsColumnZoom = GraphicsColumnZoom.ZoomPct;
                Preferences.Set("GraphicsColumnZoom", GraphicsColumnZoom.ZoomPct);
            }

// Advanced options - query specific

            Query.DuplicateKeyValues   = DuplicateKeyValues.Checked;
            Query.FilterNullRows       = FilterNullRows.Checked;
            Query.ShowCondFormatLabels = ShowCondFormatLabels.Checked;
            //Query.BrowseExistingResultsWhenOpened = BrowseExistingResultsWhenOpened.Checked;
            Query.RunQueryWhenOpened  = RunQueryWhenOpened.Checked;
            Query.SingleStepExecution = CombineSearchAndRetrieval.Checked;
            //Query.UseCachedData = UseCachedData.Checked;
            Query.Multitable = Multitable.Checked;             // (not visible)
            Query.Mobile     = MobileQuery.Checked;

            //if (cbDefaultMobileQuery.Checked) Preferences.Set("MobileDefaultQuery",Query.UserObject.Id);

// Advanced options - applies to all queries

            if (RestoreWindowsAtStartup.Checked != SS.I.RestoreWindowsAtStartup)
            {
                SS.I.RestoreWindowsAtStartup = !SS.I.RestoreWindowsAtStartup;
                Preferences.Set("RestoreWindowsAtStartup", SS.I.RestoreWindowsAtStartup);
            }

            if (HilightCorpIdChanges.Checked != SS.I.HilightCidChanges)
            {
                SS.I.HilightCidChanges = !SS.I.HilightCidChanges;
                Preferences.Set("HilightCorpIdChanges", SS.I.HilightCidChanges);
            }

            if (RemoveLeadingZerosFromCids.Checked != SS.I.RemoveLeadingZerosFromCids)
            {
                SS.I.RemoveLeadingZerosFromCids = !SS.I.RemoveLeadingZerosFromCids;
                Preferences.Set("RemoveLeadingZerosFromCids", SS.I.RemoveLeadingZerosFromCids);
            }

            if (RepeatReport.Checked != SS.I.RepeatReport)
            {
                SS.I.RepeatReport = !SS.I.RepeatReport;
                Preferences.Set("RepeatReport", SS.I.RepeatReport);
            }

            if (ShowStereoComments.Checked != SS.I.ShowStereoComments)
            {
                SS.I.ShowStereoComments = !SS.I.ShowStereoComments;
                Preferences.Set("ShowStereoComments", SS.I.ShowStereoComments);
            }

            if (BreakHtmlPopupsAtPageWidth.Checked != SS.I.BreakHtmlPopupsAtPageWidth)
            {
                SS.I.BreakHtmlPopupsAtPageWidth = !SS.I.BreakHtmlPopupsAtPageWidth;
                Preferences.Set("BreakHtmlPopupsAtPageWidth", SS.I.BreakHtmlPopupsAtPageWidth);
            }

            if (DefaultToSingleStepQueryExecution.Checked != MqlUtil.DefaultToSingleStepQueryExecution)
            {
                MqlUtil.DefaultToSingleStepQueryExecution = !MqlUtil.DefaultToSingleStepQueryExecution;
                Preferences.Set("DefaultToSingleStepQueryExecution", MqlUtil.DefaultToSingleStepQueryExecution);                     // set user preference
                QueryEngine.SetParameter("DefaultToSingleStepQueryExecution", MqlUtil.DefaultToSingleStepQueryExecution.ToString()); // set in QE for current session
            }

            //if (AllowNetezzaUse.Checked != SS.I.AllowNetezzaUse)
            //{
            //  SS.I.AllowNetezzaUse = AllowNetezzaUse.Checked;
            //  Preferences.Set("AllowNetezzaUse", SS.I.AllowNetezzaUse);
            //}

            b1 = MarkCheckBoxesInitially.Checked;
            if (b1 != SS.I.GridMarkCheckBoxesInitially)
            {
                SS.I.GridMarkCheckBoxesInitially = b1;
                Preferences.Set("GridMarkCheckBoxesInitially", b1);
            }

            if (SS.I.EvenRowBackgroundColor != EvenRowBackgroundColor.Color)
            {
                SS.I.EvenRowBackgroundColor = EvenRowBackgroundColor.Color;
                Preferences.Set("EvenRowBackgroundColor", EvenRowBackgroundColor.Color.ToArgb());
            }

            if (SS.I.OddRowBackgroundColor != OddRowBackgroundColor.Color)
            {
                SS.I.OddRowBackgroundColor = OddRowBackgroundColor.Color;
                Preferences.Set("OddRowBackgroundColor", OddRowBackgroundColor.Color.ToArgb());
            }

            QbUtil.RenderQuery(ti);
            Progress.Hide();
            DialogResult = DialogResult.OK;
            return;
        }