public Action<Message>edit(DBEngine<int, DBElement<int, string>> db) { Action<Message> Edit = (msg) => { XDocument xml = XDocument.Parse(msg.content.ToString()); XElement element = xml.Descendants("Msg").ElementAt(0).Descendants("Data").ElementAt(0); int key = int.Parse(element.Descendants("key").ElementAt(0).Value); DBElement<int, string> elem = new DBElement<int, string>(); Console.Write("\n\n --- edit a element which key ={0}--- ",key); Write("\n\n ---Database before edit---"); db.showDB(); if (!db.getValue(key, out elem)) { msg.content = "edit fail"; return; } elem.name = element.Descendants("value").Descendants("name").ElementAt(0).Value; elem.descr = element.Descendants("value").Descendants("descr").ElementAt(0).Value; elem.timeStamp = (DateTime)element.Descendants("value").Descendants("timestamp").ElementAt(0); IEnumerable<XElement> children = element.Descendants("value").Descendants("children").Descendants("key"); elem.children = new List<int>(); foreach (var child in children) elem.children.Add(int.Parse(child.Value)); IEnumerable<XElement> items = element.Descendants("value").Descendants("payload"); if (items.Count() == 1) elem.payload = items.ElementAt(0).Value; msg.content = "edit success"; Utilities.swapUrls(ref msg); Console.Write("\n\n --- Database after edit ---"); db.showDB(); }; return Edit; }
static void Main(string[] args) { DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); ItemFactory <int, string> itemFactory = new ItemFactory <int, string>(); "Demonstrating Requirement #2".title(); DBElement <int, string> elem = itemFactory.Create(); elem.name = "element"; elem.descr = "test element"; elem.timeStamp = DateTime.Now.AddDays(-4); elem.children.AddRange(new List <int> { 1, 2, 3 }); elem.payload = "elem's payload"; WriteLine("\n Item to be inserted.. \n"); elem.showElement(); db.insert(1, elem); db.showDB(); WriteLine(); WriteLine("\n Inserting second element into DB :"); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "element2"; elem2.descr = "test element2"; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 1, 2, 3, 4 }); elem2.payload = "elem2's payload"; WriteLine("\nItem to be inserted.. \n"); elem2.showElement(); db.insert(2, elem2); WriteLine("\n\n DB after insertion:"); db.showDB(); "Adding relationship :".title('.'); WriteLine("\n Elements in DB :"); db.showDB(); int key = 2; var children = new List <int> { 5, 6 }; WriteLine("\n Add children for key {0} : ", key); foreach (var child in children) { Write("{0}, ", child); } WriteLine(); db.addRelationship(key, children); WriteLine("\n\n DB after the change :"); db.showDB(); WriteLine(); "".demarcation(); ItemEditorTest editorTest = new ItemEditorTest(); editorTest.test(); }
static void Main(string[] args) { DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >(); ItemFactory <int, string> itemFactory = new ItemFactory <int, string>(); DBElement <int, string> elem = itemFactory.Create(); elem.name = "element"; elem.descr = "test element"; elem.timeStamp = DateTime.Now.AddDays(-4); elem.children.AddRange(new List <int> { 1, 2, 3 }); elem.payload = "elem's payload"; WriteLine("\n Item to be inserted.. \n"); elem.showElement(); db.insert(1, elem); db.showDB(); WriteLine(); WriteLine("\n Inserting second element into DB :"); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "element2"; elem2.descr = "test element2"; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 1, 2, 3, 4 }); elem2.payload = "elem2's payload"; WriteLine("\nItem to be inserted.. \n"); elem2.showElement(); db.insert(2, elem2); WriteLine("\n\n DB after insertion:"); db.showDB(); //Inserting element 3 WriteLine("\n Inserting third element into DB :"); DBElement <int, string> elem3 = new DBElement <int, string>(); elem3.name = "element3"; elem3.descr = "test element3"; elem3.timeStamp = DateTime.Now.AddDays(-5); elem3.children.AddRange(new List <int> { 5, 8, 10 }); elem3.payload = "elem3's payload"; WriteLine("\nItem to be inserted.. \n"); elem3.showElement(); db.insert(3, elem3); WriteLine("\n\n DB after insertion:"); db.showDB(); QueryEngineTest engineTest = new QueryEngineTest(); engineTest.test1(); engineTest.test2(); engineTest.test3(); }
static void Main(string[] args) { DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); ItemFactory <int, string> itemFactory = new ItemFactory <int, string>(); "Demonstrating Requirement #2".title(); DBElement <int, string> elem = itemFactory.Create(); elem.name = "element"; elem.descr = "test element"; elem.timeStamp = DateTime.Now.AddDays(-4); elem.children.AddRange(new List <int> { 1, 2, 3 }); elem.payload = "elem's payload"; WriteLine("\n Item to be inserted.. \n"); elem.showElement(); db.insert(1, elem); db.showDB(); WriteLine("\n Inserting second element into DB :"); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "element2"; elem2.descr = "test element2"; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 1, 2, 3, 4 }); elem2.payload = "elem2's payload"; WriteLine("\nItem to be inserted.. \n"); elem2.showElement(); db.insert(2, elem2); WriteLine("\n\n DB after insertion:"); db.showDB(); WriteLine("\n\n DB after insertion:"); db.showDB(); var dict = new Dictionary <int, DBElement <int, string> >(); var keys = db.searchForTimeStamp(DateTime.Now.AddDays(-6), DateTime.Now.AddDays(-3)); Console.WriteLine("\nRunning a query on database..\n"); Console.WriteLine("\n\nThe result are the following keys:\n\n"); foreach (var item in keys) { dynamic result = db.searchValue(item); Console.Write("{0}, ", item); dict.Add(item, result); } DBFactory <int, DBElement <int, string> > dbFactory = new DBFactory <int, DBElement <int, string> >(dict); "Immutable database:".title('.'); Console.WriteLine("\n\nImmutable database is of type DBFactory, which is immutable (Found in DBFactory.cs)."); }
private void test() { DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); ItemFactory <int, string> itemFactory = new ItemFactory <int, string>(); int key = 0; //-----------Modify Metadata-------------------------- "Modify metadata".title('.'); WriteLine("\n Elements in DB :"); db.showDB(); key = 2; string name = "Nitish"; string description = "MS in CE"; WriteLine("\n\n\n New Details for metadata of key {0} :", key); WriteLine("\n Name : {0}", name); WriteLine("\n Description : {0}", description); WriteLine(); db.modifyMetadata(key, name, description); WriteLine("\n\n DB after the change :"); db.showDB(); WriteLine(); "".demarcation(); //-----------Modify Metadata-------------------------- //-------------------Replace Value instance----------------------- "Replace value instance".title('.'); WriteLine("\n\n Elements in DB :"); DBElement <int, string> elem = itemFactory.Create(); db.showDB(); key = 2; //DBElement<int, string> elem = new DBElement<int, string>(); elem.name = "new element"; elem.descr = "new test element"; elem.timeStamp = DateTime.Now; elem.children.AddRange(new List <int> { 7, 8, 9 }); elem.payload = "new elem's payload"; WriteLine("\n\n New instance for replacement for key {0}:\n", key); elem.showElement(); WriteLine("\n\n Replace instance of a key :"); db.replaceKeyInstance(key, elem); WriteLine("\n\n DB after the change :"); db.showDB(); WriteLine(); "".demarcation(); //-------------------Replace Value instance----------------------- }
static void Main(string[] args) { "Testing ItemEditor Package".title('='); WriteLine(); ItemEditorTest iET = new ItemEditorTest(); iET.insertData(db); DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); ItemEditor <int, DBElement <int, string> > iEditor = new ItemEditor <int, DBElement <int, string> >(db); "\n1) Editing metadata".title(); "\nBefore editing metadata for key 1".title(); db.showDB(); "\nAfter editing metadata for key 1".title(); iEditor = new ItemEditor <int, DBElement <int, string> >(db); iEditor.editMetaData(1, "Sachin Tendulkar", "Cricket player"); //send the values to be edited to the editMetaData() function db.showDB(); WriteLine(); "\n2) Adding children".title(); "\nBefore adding relationship(children) for key 1".title(); db.showDB(); "\nAfter adding relationship(children) for Key 1".title(); iEditor.addrelationships(1, new List <int> { 3 }); //send a new list with children to be added to a key db.showDB(); WriteLine(); "\n3) Deleting children".title(); "\nBefore deleting relationship(children) for key 1".title(); db.showDB(); WriteLine(); "\nAfter deleting relationship(children) to Key 1".title(); //send a new list with children to be deleted from a key iEditor.deleteRelationships(1, new List <int> { 3 }); db.showDB(); WriteLine(); "\n4) Replacing value instance".title(); DBElement <int, string> elem = new DBElement <int, string>(); //create a new element for replacing value elem.name = "Messi"; elem.payload = "Plays for Argentina"; elem.descr = "Football player"; elem.children.AddRange(new List <int> { 2 }); elem.timeStamp = DateTime.Now; "\nBefore replacing the value instance for key 2".title(); db.showDB(); WriteLine(); "\nAfter replacing the value instance for key 2".title(); iEditor.replaceValueInstance(2, elem); //send value to be replaced for a key db.showDB(); }
public void insertData(DBEngine <int, DBElement <int, string> > db) { DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "Usain Bolt"; elem1.descr = "Athelte"; elem1.timeStamp = DateTime.Now; elem1.children.AddRange(new List <int> { 2 }); elem1.payload = "Fastest in the world"; db.insert(1, elem1); DBElement <int, string> elem2 = new DBElement <int, string>(); elem2.name = "Saina Nehwal"; elem2.descr = "Badminton Player"; elem2.timeStamp = DateTime.Now; elem2.children.AddRange(new List <int> { 1 }); elem2.payload = "Famous badminton player"; db.insert(2, elem2); db.showDB(); WriteLine(); }
static void Main(string[] args) { //test stub for Query Processing // "Testing QueryProcessing Package".title('='); WriteLine(); QueryProcessing <int, string> query = new QueryProcessing <int, string>(); DBElement <int, string> elem = new DBElement <int, string>(); DBElement <int, string> elemResults; List <int> childrens; DBEngine <int, DBElement <int, string> > dbEngine = new DBEngine <int, DBElement <int, string> >(); // "Metadata with data dictionary is ".subTitle('-'); elem.name = "X"; elem.descr = "description"; elem.timeStamp = DateTime.Parse("09/20/2015 11:36:58 PM"); elem.children = new List <int> { 2, 3, 4 }; elem.payload = "payload"; dbEngine.insert(1, elem); elem = new DBElement <int, string>(); elem.name = "XX"; elem.descr = "description"; elem.timeStamp = DateTime.Now; elem.children = new List <int> { 5, 6, 7 }; elem.payload = "payload"; dbEngine.insert(12, elem); dbEngine.showDB(); /*query.DBEngine = dbEngine; * Write("\n\n"); * //testing different kinds of function by querying different kinds of data * "Testing func: valueQuery() by getting following metdata from key = 1".subTitle(); * query.valueQuery(1, out elemResults); * elemResults.showElement(); * Write("\n\n"); * "Testing func: childrenQuery() by getting following childrens from key = 1".subTitle(); * query.childrensQuery(1, out childrens); * childrens.showList(); * Write("\n\n"); * "Testing func: processKeyMatchQuery() and defineQueryKeySearch() by getting keys with pattern 1".subTitle(); * List<int> keys1 = query.processMatchQuery(query.defineQueryKeySearch("1")); * keys1.showList(); * Write("\n\n"); * "Testing func: processKeyMatchQuery() and defineQueryValueSearch() by getting keys with values having 'X' in their pattern".subTitle(); * List<int> keys2 = query.processMatchQuery(query.defineQueryValueSearch("X")); * keys2.showList(); * Write("\n\n"); * "Testing func: processKeyMatchQuery() and defineQueryTimestampSearch() by getting keys with timestamp between 09/20/2015 11:36:58 PM to 09/22/2015 11:36:58 PM".subTitle(); * List<int> keys3 = query.processMatchQuery(query.defineQueryTimestamp(DateTime.Parse("09/20/2015 11:36:58 PM"), DateTime.Parse("09/22/2015 11:36:58 PM"))); * keys3.showList(); * Write("\n\n");*/ }
static void Main(string[] args) { //test stun for persist engine "Testing PersistEngine Package".title(); WriteLine(); PersistEngine <int, string> persistEngine = new PersistEngine <int, string>(); "Testing Persist Engine Package".title('='); DBElement <int, string> elem = new DBElement <int, string>(); DBEngine <int, DBElement <int, string> > dbEngine = new DBEngine <int, DBElement <int, string> >(); //creating metdata "Metadata with data dictionary is ".title(); elem.name = "X"; elem.descr = "description"; elem.timeStamp = DateTime.Parse("09/20/2015 11:36:58 PM"); elem.children = new List <int> { 2, 3, 4 }; elem.payload = "payload"; dbEngine.insert(1, elem); elem = new DBElement <int, string>(); elem.name = "XX"; elem.descr = "description"; elem.timeStamp = DateTime.Now; elem.children = new List <int> { 5, 6, 7 }; elem.payload = "payload"; dbEngine.insert(12, elem); dbEngine.showDB(); //persisting metadata into XML "Write in-memory database in XML file, please check DataPersistTest.xml file in Path:./PersistEngine/bin/debug.".title('-'); persistEngine.persistXML(dbEngine); "Deleting in-memory database".title('-'); dbEngine.Dictionary.Clear(); "Database restored or augmented from an existing XML (DataPersistTest.xml) file".title('-'); persistEngine.retrieveDataFromXMLTypeTwo(dbEngine, "DataPersistTest.xml", 10); dbEngine.showDB(); WriteLine(); Write("\n\n"); }
public Action<Message>delete(DBEngine<int, DBElement<int, string>> db) { Action<Message> Delete = (msg) => { XDocument doc = XDocument.Parse(msg.content.ToString()); int key = int.Parse(doc.Descendants("Msg").Descendants("Data").Descendants("key").ElementAt(0).Value); Console.Write("\n\n delete an element which key = {0}", key); Write("\n\n --- Database before delete ---"); db.showDB(); if (db.delete(key)) { msg.content = "Delete success"; Console.Write("\n\n --- Database after delete---", key); db.showDB(); } else msg.content = "Delete fail"; Utilities.swapUrls(ref msg); }; return Delete; }
private void test1() { DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >(); ItemFactory <int, string> itemFactory = new ItemFactory <int, string>(); //------------Search for value--------------------- "Search for a value".title('.'); WriteLine("\n\n Elements in DB :"); db.showDB(); int key = 2; WriteLine("\n\nSearching for value of Key {0}\n\n", key); var value = db.searchValue <int, string>(key); if (value != null) { value.showElement(); } else { WriteLine("\nKey not found..!\n\n"); } //------------Search for value--------------------- //------------Search for children--------------------- "Search for children:".title('.'); WriteLine("\n\n Elements in DB :"); db.showDB(); key = 3; WriteLine("\n\nSearching for Children of Key {0}\n", key); dynamic children = db.searchChildren(key); foreach (var child in children) { Write("{0}, ", child); } //------------Search for children--------------------- }
static void Main(string[] args) { "Testing Persist Engine Package".title('='); DBEngine <int, DBElement <int, ListOfStrings> > db1 = new DBEngine <int, DBElement <int, ListOfStrings> >(); PersistData <int, ListOfStrings> persistEngine1 = new PersistData <int, ListOfStrings>(); "Write in-memory database in XML file, please check DataPersistTest.xml file.".title('-'); persistEngine1.loadXmlFile("DataPersistTest.xml", typeof(int).Name, typeof(ListOfStrings).Name); if (!persistEngine1.addRecord(1, db1.Dictionary[1])) { WriteLine("Key 1 is already in xml file."); } else { WriteLine("Key 1 is inserted in xml file."); } if (!persistEngine1.addRecord(2, db1.Dictionary[2])) { WriteLine("Key 2 is already in xml file."); } else { WriteLine("Key 2 is inserted in xml file."); } if (!persistEngine1.addRecord(4, db1.Dictionary[4])) { WriteLine("Key 4 is already in xml file."); } else { WriteLine("Key 4 is inserted in xml file."); } if (!persistEngine1.addRecord(2, db1.Dictionary[4])) { WriteLine("Key 4 is already in xml file."); } else { WriteLine("Key 4 is inserted in xml file."); } "Database restored or augmented from an existing XML (Data1.xml) file".title('-'); DBEngine <int, DBElement <int, ListOfStrings> > augmentData = new DBEngine <int, DBElement <int, ListOfStrings> >(); persistEngine1.retrieveDataFromXML(augmentData, "DataPersistTest.xml"); augmentData.showDB(); WriteLine(); }
static void Main(string[] args) { "Testing PersistEngine Package".title('='); WriteLine(); DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); "\nSave to an XML file".title(); PersistEngineTest p1 = new PersistEngineTest(); p1.insertData(db); dynamic allKeys = db.Keys(); PersistEngine <int, DBElement <int, string> > pEngine = new PersistEngine <int, DBElement <int, string> >(db); pEngine.persistToXML(allKeys); WriteLine("\n\nAbove database is stored as XML file in local machine"); WriteLine(); WriteLine("\nThe persisted XML file along with new key/value pairs are augmented to the database.\n"); WriteLine("Below shown key/value pairs are augmented to the database.\n"); pEngine.augmentDatabaseFromXML(db); //Augment the persisted database along with new values to the main database pEngine.persistToXML(allKeys); db.showDB(); WriteLine(); WriteLine(); "\nPersist database every 5 seconds until its cancelled".title(); WriteLine(); pEngine.scheduledSaveDatabase(); WriteLine(); WriteLine(); "\nProject dependancy and realtionships".title(); WriteLine(); DBEngine <string, DBElement <string, List <string> > > dependancyDb = new DBEngine <string, DBElement <string, List <string> > >(); PersistEngine <string, DBElement <string, List <string> > > pEngineString = new PersistEngine <string, DBElement <string, List <string> > >(dependancyDb); try { Console.WriteLine("\nBelow details provide information on dependancy of every package in the project\n"); pEngine.displayDependancy(); dependancyDb.showEnumerableDB(); WriteLine(); } catch (Exception e) { WriteLine("\n" + e.Message + "\n"); } }
public void insertData(DBEngine <int, DBElement <int, string> > db) { 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(); }
private void test3() { DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >(); ItemFactory <int, string> itemFactory = new ItemFactory <int, string>(); //---------------Search for data with specified time interval--------------- "Search for data with specified time interval:".title('.'); WriteLine("\n\n Elements in DB :"); var elem = new DBElement <int, string>(); elem.name = "old element"; elem.descr = "old test element"; elem.timeStamp = DateTime.Now.AddDays(-3); elem.children.AddRange(new List <int> { 85, 27, 65 }); elem.payload = "old elem's payload"; DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.name = "old2 element"; elem1.descr = "old2 test element"; elem1.timeStamp = DateTime.Now.AddDays(-2); elem1.children.AddRange(new List <int> { 11, 12, 13 }); elem1.payload = "old2 elem's payload"; WriteLine("\n\n Search for Key which is created between {0} and {1}:\n\n", DateTime.Now.AddDays(-5).Date, DateTime.Now.AddDays(-1).Date); db.insert(99, elem); db.insert(50, elem1); db.showDB(); WriteLine(); var resultkeys = db.searchForTimeStamp(DateTime.Now.AddDays(-5), DateTime.Now.AddDays(-1)); WriteLine("\n\nThe result is:\n\n"); foreach (var item in resultkeys) { Write("{0}, ", item); } //---------------Search for data with specified time interval--------------- }
static void Main(string[] args) { "Testing DBExtensions Package".title('='); WriteLine(); DBElement <int, string> elem1 = new DBElement <int, string>("Element-7", "Description of Element-7"); elem1.payload = "Payload of element-7."; elem1.children.AddRange(new List <int> { 8, 9 }); DBElement <int, string> elem2 = new DBElement <int, string>("Element-8", "Description of Element-8"); //elem2.payload = "Payload of element-8."; DBElement <int, string> elem3 = new DBElement <int, string>("Element-9", "Description of Element-9"); elem3.payload = "Payload of element-3."; DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); db.insert(7, elem1); db.insert(8, elem2); db.insert(9, elem3); Write(" Created a new dataBase with following contents:"); db.showDB(); WriteLine("\n\n Now going to persist the database contents to an XML file."); PersistEngine pe = new PersistEngine(); string file_name = pe.persistDB <int, DBElement <int, string>, string>(db); WriteLine(" Database contents are saved as - {0}", file_name); WriteLine("\n Going to remove all DB elements and load the xml file saved above."); db.remove(7); db.remove(8); db.remove(9); WriteLine(" DB contents before calling load-DB"); db.showDB(); WriteLine(" Now send command to load database from the XML file."); pe.loadDB <int, DBElement <int, string>, string>(db, file_name); Write(" DB contents after calling load-DB "); db.showDB(); DBEngine <string, DBElement <string, List <string> > > db2 = new DBEngine <string, DBElement <string, List <string> > >(); Write("\n\n --- DBElement<string,List<string>> ---"); DBElement <string, List <string> > elem_str = new DBElement <string, List <string> >(); elem_str.name = "Element-One"; elem_str.descr = "DB Element whose key type is string and payload type is List of strings."; elem_str.timeStamp = DateTime.Now; elem_str.children = new List <string> { "Two", "Three", "Four" }; elem_str.payload = new List <string> { "Element payload is of type List of strings.", "This is string two.", "And third" }; elem_str.showEnumerableElement(); db2.insert("One", elem_str); Write("\n\n --- DBEngine<string,List<string>> ---"); db2.showEnumerableDB(); XElement noSqlDb = new XElement("NoSqlDb"); XElement keyType = new XElement("KeyType", typeof(int)); XElement payloadType = new XElement("PayloadType", typeof(string)); XElement request_msg = new XElement("Request_Message"); XElement req_type = new XElement("Request_Type", "Insert"); XElement key = new XElement("Key", 45); XElement name = new XElement("Name", "element_one"); XElement descr = new XElement("Description", "Descr of element_one"); XElement payload = new XElement("Payload", "This the payload of element one."); request_msg.Add(req_type); request_msg.Add(key); request_msg.Add(name); request_msg.Add(descr); request_msg.Add(payload); Console.WriteLine("Message = \n{0}", request_msg.ToString()); XElement Rmsg = XElement.Parse(request_msg.ToString()); string Rtype = Rmsg.Element("Request_Type").Value; Console.WriteLine("Request type = {0}", Rtype); XElement abc = new XElement("dummy"); XElement result = new XElement("Result", "Success"); //Console.WriteLine("abc= {0}\nresult = {1}\n", abc.ToString(), result.ToString()); //abc = result; Console.WriteLine("abc= {0}\nresult = {1}", abc.ToString(), result.ToString()); int k = 5; string ts = "Could not find element with key " + k.ToString() + " in database"; //XElement tst = new XElement("Result", "Could not find element with key {0} in database", k); XElement tst = new XElement("Result", ts); Console.WriteLine("tst = {0}", tst.ToString()); XElement qry = new XElement("Query_Response"); XElement par = new XElement("Partial", "This is \njust payload"); qry.Add(tst); qry.Add(par); Console.WriteLine("qry = \n{0}", qry.ToString()); Console.WriteLine("value of qry response =\n{0}", qry.Value.ToString()); //noSqlDb.Add(keyType); //noSqlDb.Add(payloadType); //Console.WriteLine("\nString mesage = \n{0}", noSqlDb.ToString()); //string xml_string = noSqlDb.ToString(); //XElement abc = XElement.Parse(xml_string); //XElement root = abc.Element("KeyType"); //Console.WriteLine("abc= {0}", abc.ToString()); //Console.WriteLine("root= {0}", root.ToString()); //elem.name = xml_dbElement.Element("Name").Value; //string par = root.Value; //Console.WriteLine("par = {0}", par); }
static void Main(string[] args) { "Testing DBEngine Package".title('=');; WriteLine(); "Test db of scalar elements".title(); WriteLine(); DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.payload = "a payload"; DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord"); elem2.payload = "The Empire strikes back!"; var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot"); elem3.payload = "X-Wing fighter in swamp - Oh oh!"; if (verbose) { Write("\n --- Test DBElement<int,string> ---"); WriteLine(); elem1.showElement(); WriteLine(); elem2.showElement(); WriteLine(); elem3.showElement(); WriteLine(); /* ElementFormatter is not ready for prime time yet */ //Write(ElementFormatter.formatElement(elem1.showElement<int, string>(), false)); } Write("\n --- Test DBEngine<int,DBElement<int,string>> ---"); WriteLine(); int key = 0; Func <int> keyGen = () => { ++key; return(key); }; DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); bool p1 = db.insert(keyGen(), elem1); bool p2 = db.insert(keyGen(), elem2); bool p3 = db.insert(keyGen(), elem3); if (p1 && p2 && p3) { Write("\n all inserts succeeded"); } else { Write("\n at least one insert failed"); } db.showDB(); WriteLine(); "Test db of enumerable elements".title(); WriteLine(); DBElement <string, List <string> > newelem1 = new DBElement <string, List <string> >(); newelem1.name = "newelem1"; newelem1.descr = "test new type"; newelem1.payload = new List <string> { "one", "two", "three" }; DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >(); newerelem1.name = "newerelem1"; newerelem1.descr = "better formatting"; newerelem1.payload = new List <string> { "alpha", "beta", "gamma" }; newerelem1.payload.Add("delta"); newerelem1.payload.Add("epsilon"); DBElement <string, List <string> > newerelem2 = new DBElement <string, List <string> >(); newerelem2.name = "newerelem2"; newerelem2.descr = "better formatting"; newerelem2.children.AddRange(new List <string> { "first", "second" }); newerelem2.payload = new List <string> { "a", "b", "c" }; newerelem2.payload.Add("d"); newerelem2.payload.Add("e"); if (verbose) { Write("\n --- Test DBElement<string,List<string>> ---"); WriteLine(); newelem1.showEnumerableElement(); WriteLine(); newerelem1.showEnumerableElement(); WriteLine(); newerelem2.showEnumerableElement(); WriteLine(); } Write("\n --- Test DBEngine<string,DBElement<string,List<string>>> ---"); int seed = 0; string skey = seed.ToString(); Func <string> skeyGen = () => { ++seed; skey = "string" + seed.ToString(); skey = skey.GetHashCode().ToString(); return(skey); }; DBEngine <string, DBElement <string, List <string> > > newdb = new DBEngine <string, DBElement <string, List <string> > >(); newdb.insert(skeyGen(), newelem1); newdb.insert(skeyGen(), newerelem1); newdb.insert(skeyGen(), newerelem2); newdb.showEnumerableDB(); Write("\n\n"); }
static void Main(string[] args) { "Testing QueryEngine Package".title('='); WriteLine(); QueryEngine sendQuery = new QueryEngine(); DBElement <int, string> elem1 = new DBElement <int, string>("Element-1", "Description of Element-1"); elem1.payload = "Payload of element-1."; elem1.children.AddRange(new List <int> { 9, 10, 11, 79 }); DBElement <int, string> elem2 = new DBElement <int, string>("Element-2", "Description of Element-2"); elem2.payload = "Payload of element-2."; DBElement <int, string> elem3 = new DBElement <int, string>("Element-3", "Description of Element-3"); elem3.payload = "Payload of element-3."; DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); db.insert(1, elem1); db.insert(2, elem2); db.insert(3, elem3); db.showDB(); DBElement <int, string> result_elem = new DBElement <int, string>(); DBElement <int, string> result_elem2 = new DBElement <int, string>(); //DBElement<int, string> result_elem = new DBElement<int, string>(); Write("\n\n Send query -> Find element with key = 2"); result_elem = sendQuery.findValue <int, DBElement <int, string>, string>(db, 2); if (result_elem == null) { WriteLine("\n Element with Key= 2 was not found in the database."); } else { result_elem.showElement(); } Write("\n\n Send query -> Find element with key = 5"); result_elem = sendQuery.findValue <int, DBElement <int, string>, string>(db, 5); if (result_elem == null) { WriteLine("\n Element with Key= 5 was not found in the database."); } else { result_elem.showElement(); } Write("\n Send query -> Get children of element with key = 1"); List <int> x1 = sendQuery.getChildren <int, DBElement <int, string>, string>(db, 1); Write("\n Children of element with key=1 are "); foreach (int i in x1) { Write("{0} ", i); } Write("\n\n Send query -> Get children of element with key = 3"); List <int> y1 = sendQuery.getChildren <int, DBElement <int, string>, string>(db, 3); if (y1.Count() > 0) { Write("\n Children of element with key=3 are "); foreach (int i in y1) { Write("{0} ", i); } } else { WriteLine("\n Element with key=3 has no children."); } WriteLine("\n Send query -> Get keys with string -\"blah\" in metadata section."); List <int> m1 = sendQuery.get_keys_with_metadata <int, DBElement <int, string>, string>(db, "18779"); if (m1.Count() > 0) { Write(" Keys that contain the string \"ent-2\" in their metadata section are: "); foreach (int i in m1) { Write("{0} ", i); } } else { WriteLine(" No keys found having \"ent-2\" in their metadata section."); } //WriteLine("Type of x = {0}", x.ToString()); //----< Test query methods for DBEngine<string, DBElement<string, List<string>>> >---------- Write("\n\n --- Test Query methods for DBEngine<string, DBElement<string,List<string>>> ---"); DBElement <string, List <string> > new_elem1 = new DBElement <string, List <string> >("Element-One", "Description of Element-One"); new_elem1.payload = new List <string> { "First string in payload of Element-One", "Second string in payload of Element-One", "Third string" }; new_elem1.children.AddRange(new List <string> { "Nine", "Ten", "Eleven" }); System.Threading.Thread.Sleep(1200); DateTime tm1 = DateTime.Now; System.Threading.Thread.Sleep(1200); DBElement <string, List <string> > new_elem2 = new DBElement <string, List <string> >("Element-Two", "Description of Element-Two"); new_elem2.payload = new List <string> { "First string in payload of Element-Two", "Mars", "Venus" }; System.Threading.Thread.Sleep(1200); DBElement <string, List <string> > new_elem3 = new DBElement <string, List <string> >("Element-Three", "Description of Element-Three"); new_elem3.payload = new List <string> { "First string in payload of element-3", "Beta", "Gamma" }; DBEngine <string, DBElement <string, List <string> > > new_db = new DBEngine <string, DBElement <string, List <string> > >(); new_db.insert("One", new_elem1); new_db.insert("Two", new_elem2); new_db.insert("Three", new_elem3); DateTime tm2 = DateTime.Now; new_db.showEnumerableDB(); Write("\n\n Send query -> Find element with key = One"); if (sendQuery.findValue <string, DBElement <string, List <string> >, List <string> >(new_db, "One") == null) { WriteLine("\n Element with Key= \"One\" was not found in the database."); } else { sendQuery.findValue <string, DBElement <string, List <string> >, List <string> >(new_db, "One").showEnumerableElement(); } Write("\n\n Send query -> Find element with key = Five"); if (sendQuery.findValue <string, DBElement <string, List <string> >, List <string> >(new_db, "Five") == null) { WriteLine("\n Element with Key= \"Five\" was not found in the database."); } else { sendQuery.findValue <string, DBElement <string, List <string> >, List <string> >(new_db, "Five").showEnumerableElement(); } Write("\n Send query -> Get children of element with key = \"One\""); //List<int> x = sendQuery.getChildren<int, DBElement<int, string>, string>(db, 1); List <string> x = sendQuery.getChildren <string, DBElement <string, List <string> >, List <string> >(new_db, "One"); if (x.Count() > 0) { Write("\n Children of element with key=\"One\" are "); foreach (string i in x) { Write("{0} ", i); } } else { WriteLine("\n Element with key=\"One\" has no children."); } Write("\n\n Send query -> Get children list of element with key = \"Three\""); //List<int> x = sendQuery.getChildren<int, DBElement<int, string>, string>(db, 1); List <string> y = sendQuery.getChildren <string, DBElement <string, List <string> >, List <string> >(new_db, "Three"); if (y.Count > 0) { Write("\n Children of element with key=\"Three\" are "); foreach (string i in y) { Write("{0} ", i); } } else { WriteLine("\n Element with key=\"Three\" has no children."); } List <string> search_pat = new List <string> { "UnKnown", "lement" }; foreach (string pattern_in_metadata in search_pat) { WriteLine("\n Send query -> Get all keys containing string - \"{0}\" in their metadata section.", pattern_in_metadata); List <string> res1 = sendQuery.get_keys_with_metadata <string, DBElement <string, List <string> >, List <string> >(new_db, pattern_in_metadata); if (res1.Count > 0) { Write(" Keys containing string \"{0}\" in their metadata section are: ", pattern_in_metadata); foreach (string i in res1) { Write("{0} ", i); } } else { WriteLine(" No keys found containing pattern \"{0}\" in their metadata section.", pattern_in_metadata); } } WriteLine("\n\n Send query -> Get all keys written within time intervals \"{0}\" and \"{1}\"", tm1, tm2); List <string> result1 = sendQuery.get_keys_within_timeInterval <string, DBElement <string, List <string> >, List <string> >(new_db, tm1); if (result1.Count > 0) { Write(" Keys written within specified time intervals are: "); //Write(" Keys are: "); foreach (string i in result1) { Write("{0} ", i); } } else { WriteLine(" No keys found written withing specified time interevals tm1 and tm2."); } //WriteLine("tm1 = {0}\ntm2 = {1}", tm1, tm2); }
static void Main(string[] args) { DBProcessor db_process = new DBProcessor(); DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); /* * for (int i=0;i<100;i++) * { * // int tm = DateTime.Now * Thread.Sleep(1100); * Console.WriteLine("tm = {0}", DateTime.Now); * Console.WriteLine("tm1 = {0}", DateTime.Now.ToString("M / dd / yyyy h: mm:ss.fff tt")); * //DateTime.Parse * lkfs * }*/ string tm1 = DateTime.Now.ToString("M / dd / yyyy h: mm:ss.fff tt"); Thread.Sleep(150); string tm2 = DateTime.Now.ToString("M / dd / yyyy h: mm:ss.fff tt"); DateTime tma = DateTime.Parse(tm1); DateTime tmb = DateTime.Parse(tm2); TimeSpan ts = tmb - tma; long ts_tick = ts.Ticks; Console.WriteLine("tm1 = {0}\ntm2 = {1}", tm1, tm2); Console.WriteLine("ts = {0}\nts_tick = {1}", ts, ts.TotalMilliseconds); DateTime tm1_t = DateTime.Now; Thread.Sleep(160); DateTime tm2_t = DateTime.Now; TimeSpan a = tm2_t - tm1_t; long ms = a.Ticks; Console.WriteLine("tm1 = {0}\ntm2 = {1}", tm1_t, tm2_t); Console.WriteLine("a = {0}\nms = {1}", a, (tm2_t - tm1_t).TotalMilliseconds); //------<Test inserting Element into database >---------- XElement request_msg = new XElement("Request_Message"); XElement req_type = new XElement("Request_Type", "Insert"); XElement key = new XElement("Key", 45); // XElement name = new XElement("Name", "element_one"); XElement descr = new XElement("Description", "Descr of element_one"); XElement children = new XElement("Children"); XElement k1 = new XElement("Key", 55); XElement k2 = new XElement("Key", 65); children.Add(k1); children.Add(k2); XElement payload = new XElement("Payload", "This the payload of element one."); request_msg.Add(req_type); request_msg.Add(key); //request_msg.Add(name); request_msg.Add(descr); request_msg.Add(children); request_msg.Add(payload); string msg_content = request_msg.ToString(); Console.WriteLine("Going to call show db:"); db.showDB(); Console.WriteLine("Going to to call process query with xml = \n{0}", request_msg.ToString()); // string reply = db_process.process_msg<int, DBElement<int, string>, string>(msg_content, db); // Console.WriteLine("Reply from processing = {0}", reply); db.showDB(); XElement req_msg3 = new XElement("Request_Message"); XElement req_type3 = new XElement("Request_Type", "Edit Name"); XElement req_elem = new XElement("Key", 45); XElement new_name = new XElement("Name", "This is new name for element."); req_msg3.Add(req_type3); req_msg3.Add(req_elem); req_msg3.Add(new_name); Console.WriteLine("Going to to call process query with xml = \n{0}", req_msg3.ToString()); // string reply3 = db_process.process_msg<int, DBElement<int, string>, string>(req_msg3.ToString(),db); db.showDB(); XElement req_msg4 = new XElement("Request_Message"); XElement req_type4 = new XElement("Request_Type", "Edit Description"); XElement req_key = new XElement("Key", 45); XElement new_descr = new XElement("Description", "New decription for element."); req_msg4.Add(req_type4); req_msg4.Add(req_key); req_msg4.Add(new_descr); Console.WriteLine("Going to to call process query with xml = \n{0}", req_msg4.ToString()); // string reply4 = db_process.process_msg<int, DBElement<int, string>, string>(req_msg4.ToString(), db); db.showDB(); Console.WriteLine("Testing XML"); XElement rep = new XElement("Reply_msg"); XElement result = new XElement("Result", "Success"); XElement query = new XElement("Query"); XElement qres = new XElement("Type", "File Name"); rep.Add(qres); if (rep.Element("Result") == null) { Console.Write("Hello"); } }
private void test2() { DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); DBEngine <string, DBElement <string, List <string> > > dbString = new DBEngine <string, DBElement <string, List <string> > >(); ItemFactory <int, string> itemFactory = new ItemFactory <int, string>(); //------------Search for Keys with pattern--------------------- "Search for keys with a pattern:".title('.'); WriteLine("\n\n Elements in DB :"); DBElement <string, List <string> > elemString = new DBElement <string, List <string> >(); elemString.name = "element"; elemString.descr = "test element"; elemString.timeStamp = DateTime.Now; elemString.children.AddRange(new List <string> { "Martin", "Nitish", "Michelle" }); elemString.payload = new List <string> { "elem's payload", "sample payload" }; dbString.insert("Name", elemString); DBElement <string, List <string> > elemString1 = new DBElement <string, List <string> >(); elemString1.name = "element"; elemString1.descr = "test element"; elemString1.timeStamp = DateTime.Now; elemString1.children.AddRange(new List <string> { "Syracuse", "Boston", "Mysore" }); elemString1.payload = new List <string> { "elem's payload", "sample payload" }; dbString.insert("Cities", elemString1); dbString.showEnumerableDB(); string keyPattern = "^C"; WriteLine("\n\nSearching for Keys with pattern: {0}\n", keyPattern); dynamic keys = dbString.searchForKeyPattern(keyPattern); WriteLine("\n\nMatched keys : \n"); foreach (var item in keys) { Write("{0}, ", item); } //------------Search for Keys with pattern--------------------- //------------Search for specified string in metadata--------------------- "Search for specified string in metadata:".title('.'); WriteLine("\n\n Elements in DB :"); db.showDB(); string searchString = "element3"; WriteLine("\n\n\nSearch string : {0}", searchString); WriteLine("\n\nSearching for specified string in metadata: \n\n", searchString); var matchedKeys = db.searchMetadata(searchString); foreach (var matchedKey in matchedKeys) { Write("{0}, ", matchedKey); } //------------Search for specified string in metadata--------------------- }
static void Main(string[] args) { "Testing ItemEditor Package".title('='); WriteLine(); Write("\n --- Test DBElement<int,string> ---"); DBElement <int, string> elem1 = new DBElement <int, string>("Element-1", "Description of Element-1"); elem1.payload = "Payload of element-1."; elem1.children.AddRange(new List <int> { 9, 10, 11 }); DBElement <int, string> elem2 = new DBElement <int, string>("Element-2", "Description of Element-2"); elem2.payload = "Payload of element-2."; DBElement <int, string> elem3 = new DBElement <int, string>("Element-3", "Description of Element-3"); elem3.payload = "Payload of element-3."; DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); db.insert(1, elem1); db.insert(2, elem2); db.insert(3, elem3); db.showDB(); Write("\n\n Going to test adding of relationship to DB-elements: Element-1 and Element-2"); bool add1 = db.addRelation <int, DBElement <int, string>, string>(1, 2); bool add2 = db.addRelation <int, DBElement <int, string>, string>(2, 3); bool add3 = db.addRelation <int, DBElement <int, string>, string>(2, 17); //add3 will be equal to false because we cannot add a child key(17) if it is not present in the database. db.showDB(); if (add1 && add2 && add3) { Write("\n Adding relationship to all items successded."); } else { Write("\n Adding relationship failed in one of the cases."); } Write("\n\n Now going to test removing of relationship in DB-element: Element-1."); bool rem1 = db.removeRelation <int, DBElement <int, string>, string>(1, 10); bool rem2 = db.removeRelation <int, DBElement <int, string>, string>(1, 15); //The above case will fail because key-15 is not present in children list of Element-1. db.showDB(); if (rem1 && rem2) { Write("\n Deleting of relationship to both items successded."); } else { Write("\n Deleting of relationship failed in one of the cases."); } Write("\n\n Now going to test edition of name, description and replacing instance of payload with new instance in element1."); bool ed_name1 = db.editName <int, DBElement <int, string>, string>(1, "Elemen1_Renamed."); bool ed_descr = db.editDescr <int, DBElement <int, string>, string>(1, "New description for element 1."); bool ed_inst = db.editInstance <int, DBElement <int, string>, string>(1, "New instance of payload for element-1."); db.showDB(); Write("\n\n --- Test DBElement<string,List<string>> ---"); DBElement <string, List <string> > new_elem1 = new DBElement <string, List <string> >("Element-One", "Description of Element-One"); new_elem1.payload = new List <string> { "First string in payload of Element-One", "Second string in payload of Element-One", "Third string" }; new_elem1.children.AddRange(new List <string> { "Nine", "Ten", "Eleven" }); DBElement <string, List <string> > new_elem2 = new DBElement <string, List <string> >("Element-Two", "Description of Element-Two"); new_elem2.payload = new List <string> { "First string in payload of Element-Two", "Mars", "Venus" }; DBElement <string, List <string> > new_elem3 = new DBElement <string, List <string> >("Element-Three", "Description of Element-Three"); new_elem3.payload = new List <string> { "First string in payload of element-3", "Beta", "Gamma" }; DBEngine <string, DBElement <string, List <string> > > new_db = new DBEngine <string, DBElement <string, List <string> > >(); new_db.insert("One", new_elem1); new_db.insert("Two", new_elem2); new_db.insert("Three", new_elem3); new_db.showEnumerableDB(); Write("\n\n Going to test adding of relationship to DB-elements: Element-One and Element-Two"); bool a1 = new_db.addRelation <string, DBElement <string, List <string> >, List <string> >("One", "Two"); bool a2 = new_db.addRelation <string, DBElement <string, List <string> >, List <string> >("Two", "Three"); bool a3 = new_db.addRelation <string, DBElement <string, List <string> >, List <string> >("Three", "Not_presnet"); //a3 will be false because we are trying to add a key that is not present in the database. new_db.showEnumerableDB(); if (a1 && a2 && a3) { Write("\n Adding relationship to all items successded."); } else { Write("\n Adding relationship failed in one of the cases."); } Write("\n\n Now going to test removing of relationships in DB-element: Element-One"); bool r1 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "Nine"); bool r2 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "Not_present"); //r2 will be false because we are trying to remove a relationship in element one which is not even presnet. new_db.showEnumerableDB(); if (r1 && r2) { Write("\n Deleting of relationships successded in both cases."); } else { Write("\n Deleting of relationship failed in one of the cases."); } Write("\n\n Now going to test edition of name, description and replacing instance of payload with new instance in Element-One."); new_db.editName <string, DBElement <string, List <string> >, List <string> >("One", "Edited name for Element-One"); new_db.editDescr <string, DBElement <string, List <string> >, List <string> >("One", "New description for Element-One"); new_db.editInstance <string, DBElement <string, List <string> >, List <string> >("One", new List <string> { "New payload - String One", "New payload - String Two", "New payload - String Three" }); new_db.showEnumerableDB(); WriteLine(); }
public static void Main(string[] args) { Write("\n --- Test DBElement<int,string> ---"); DBElement <int, string> elem1 = new DBElement <int, string>(); elem1.payload = "a payload"; WriteLine(); DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord"); elem2.payload = "The Empire strikes back!"; WriteLine(); var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot"); elem3.children.AddRange(new List <int> { 1, 5, 23 }); elem3.payload = "X-Wing fighter in swamp - Oh oh!"; WriteLine(); Write("\n --- Test DBEngine<int,DBElement<int,string>> ---"); int key = 0; Func <int> keyGen = () => { ++key; return(key); }; // anonymous function to generate keys DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >(); bool p1 = db.insert(keyGen(), elem1); bool p2 = db.insert(keyGen(), elem2); bool p3 = db.insert(keyGen(), elem3); if (p1 && p2 && p3) { Write("\n all inserts succeeded"); } else { Write("\n at least one insert failed"); } db.showDB(); WriteLine(); Write("\n --- Test DBElement<string,List<string>> ---"); DBElement <string, List <string> > newelem1 = new DBElement <string, List <string> >(); newelem1.name = "newelem1"; newelem1.descr = "test new type"; newelem1.payload = new List <string> { "one", "two", "three" }; Write(newelem1.showElement <string, List <string> >()); WriteLine(); Write("\n --- Test DBElement<string,List<string>> ---"); DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >(); newerelem1.name = "newerelem1"; newerelem1.descr = "better formatting"; newerelem1.payload = new List <string> { "alpha", "beta", "gamma" }; newerelem1.payload.Add("delta"); newerelem1.payload.Add("epsilon"); Write(newerelem1.showElement <string, List <string>, string>()); WriteLine(); DBElement <string, List <string> > newerelem2 = new DBElement <string, List <string> >(); newerelem2.name = "newerelem2"; newerelem2.descr = "better formatting"; newerelem1.children.AddRange(new[] { "first", "second" }); newerelem2.payload = new List <string> { "a", "b", "c" }; newerelem2.payload.Add("d"); newerelem2.payload.Add("e"); Write(newerelem2.showElement <string, List <string>, string>()); WriteLine(); Write("\n --- Test DBEngine<string,DBElement<string,List<string>>> ---"); int seed = 0; string skey = seed.ToString(); Func <string> skeyGen = () => { ++seed; skey = "string" + seed.ToString(); skey = skey.GetHashCode().ToString(); return(skey); }; DBEngine <string, DBElement <string, List <string> > > newdb = new DBEngine <string, DBElement <string, List <string> > >(); newdb.insert(skeyGen(), newerelem1); newdb.insert(skeyGen(), newerelem2); newdb.showEnumerableDB(); WriteLine(); WriteLine("Persisting int-string XML into Database"); pe.createStringXML(db, false); WriteLine("Persisting string-List<string> XML into Database"); pe.createListStringXML(newdb); }