public void FilterInLegacy(ONContext onContext, ONLinkedToList lLinkedToList, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
foreach (ONFilter lOnFilter in Values)
{
lOnFilter.FilterInLegacy(onContext, lLinkedToList, comparer, startRowOid, blockSize);
}
}
/// <summary>
/// Retrieve all the instances of a determinate class that fulfil a determinate formula of searching
/// </summary>
/// <param name="linkedTo">List to reach the class to retrieve the related instance</param>
/// <param name="filters">Formula to search concrete instances</param>
/// <param name="comparer">Order Criteria that must be followed by the query</param>
/// <param name="startRowOid">OID frontier</param>
/// <param name="blockSize">Number of instances to be returned</param>
/// <returns>Instances that check the filter list</returns>
protected virtual ONCollection SolveQuery(ONLinkedToList linkedTo, ONFilterList onFilterList, ONDisplaySet displaySet, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
ONSqlSelect lOnSql = new ONSqlSelect();
try
{
// Create select and first table
InhRetrieveInstances(lOnSql, displaySet, null, OnContext);
// Fix related instance
if (!AddLinkedTo(lOnSql, linkedTo))
{
return(ONContext.GetComponent_Collection(ClassName, OnContext));
}
// Add filter formula
if (onFilterList != null)
{
onFilterList.FilterInData(lOnSql, this);
}
// Retrieve query instance number
int lTotalNumInstances = -1;
if (OnContext.CalculateQueryInstancesNumber)
{
if ((onFilterList == null) || (!onFilterList.InMemory))
{
ArrayList lSqlParameters;
string lNumInstancesSqlSentence = ONSqlSelect.GenerateSQLAsCount(lOnSql, out lSqlParameters);
lTotalNumInstances = Convert.ToInt32(ExecuteScalar(lNumInstancesSqlSentence, lSqlParameters));
}
OnContext.CalculateQueryInstancesNumber = false;
}
// OrderCriteria
AddOrderCriteria(lOnSql, comparer, startRowOid, blockSize);
// Execute
ONCollection lONCollection = ExecuteSql(lOnSql, onFilterList, displaySet, comparer, startRowOid, blockSize);
// Set Query instance number
if (lTotalNumInstances > -1)
{
lONCollection.totalNumInstances = lTotalNumInstances;
}
return(lONCollection);
}
catch (Exception e)
{
string ltraceItem = "Method: SolveQuery, Component: ONDBData";
if (e is ONSystemException)
{
ONSystemException lException = e as ONSystemException;
lException.addTraceInformation(ltraceItem);
throw lException;
}
throw new ONSystemException(e, ltraceItem);
}
}
/// <summary>
/// This method recovers all the population of the database
/// </summary>
/// <param name="onContext">Recovers the context of the execution of the service</param>
/// <param name="linkedTo">List to reach the class to retrieve the related instance</param>
/// <param name="comparer">Order Criteria that must be followed</param>
/// <param name="${startRowOid}">OID frontier</param>
/// <param name="blockSize">Number of instances to be returned</param>
/// <returns>The population</returns>
public override ONCollection FilterInLegacy(ONContext onContext, ONLinkedToList linkedTo, ONOrderCriteria comparer, ONOid startRowOID, int blockSize)
{
if (InData)
{
return(null);
}
ONLinkedToList lLinkedToList = new ONLinkedToList();
// Add linkedToList to the new list
foreach (KeyValuePair <ONPath, ONOid> lDictionaryEntry in linkedTo)
{
lLinkedToList.mLinkedToList.Add(lDictionaryEntry.Key, lDictionaryEntry.Value);
}
// Add relatedOid to the new list
if (mRelatedOid != null)
{
lLinkedToList.mLinkedToList.Add(ONPath, mRelatedOid);
}
// Add parameters
object[] lParameters = new object[5];
lParameters[0] = onContext;
lParameters[1] = linkedTo;
lParameters[2] = comparer;
lParameters[3] = startRowOID;
lParameters[4] = blockSize;
return(ONContext.InvoqueMethod(ONContext.GetType_LV(ClassName), "QueryByRelated", lParameters) as ONCollection);
}
public ONCollection QueryByFilter_FUM(ref string ticket, ref ONOid agentOid, XmlReader xmlReader, ONDisplaySet displaySet, out ONOid startRowOID, out int blockSize, double dtdVersion, string clientName)
{
ONLinkedToList lLinkedTo = null;
ONFilterList lFilters = new ONFilterList();
// Read Request
blockSize = int.Parse(xmlReader.GetAttribute("BlockSize"));
if (!xmlReader.IsEmptyElement)
{
xmlReader.ReadStartElement("Query.Filter");
if (xmlReader.IsStartElement("StartRow"))
{
xmlReader.ReadStartElement("StartRow");
startRowOID = XML2ON(xmlReader, dtdVersion);
xmlReader.ReadEndElement(); // StartRow
}
else
{
startRowOID = null;
}
// Fill relations
lLinkedTo = GetLinkedTo(xmlReader, dtdVersion);
// Fill filter variables
lFilters["FUM"] = GetFilter_FUM(xmlReader, dtdVersion);
// Read Request
xmlReader.ReadEndElement(); // Query.Filter
}
else
{
xmlReader.ReadStartElement("Query.Filter");
lLinkedTo = new ONLinkedToList();
startRowOID = null;
}
// Read Order Criteria
string lOrderCriteria = "";
if (xmlReader.IsStartElement("Sort"))
{
lOrderCriteria = xmlReader.GetAttribute("Criterium");
xmlReader.Skip(); // Sort
}
// Create Context
ONContext lOnContext = new ONContext();
lOnContext.OidAgent = agentOid;
// Execute
PasajeroQuery lQuery = new PasajeroQuery(lOnContext);
ONCollection lCollection = lQuery.QueryByFilter(lLinkedTo, lFilters, displaySet, lOrderCriteria, startRowOID, blockSize);
ticket = lOnContext.GetTicket(dtdVersion, clientName);
return(lCollection);
}
/// <summary>Solves the filters defined in this class</summary>
/// <param name="linkedTo">This parameter has the related instance to retrieve the requested instances</param>
/// <param name="filters">This parameter has all the filters defined with this class</param>
/// <param name="orderCriteria">This parameter has the name of the order criteria to add to SQL statement</param>
/// <param name="startRowOID">This parameter has the OID necessary to start the search</param>
/// <param name="blockSize">This parameter represents the number of instances to be returned</param>
public override ONCollection QueryByFilter(ONLinkedToList linkedTo, ONFilterList filters, ONDisplaySet displaySet, string orderCriteria, ONOid startRowOID, int blockSize)
{
// OrderCriteria
ONOrderCriteria lComparer = GetOrderCriteria(orderCriteria);
// Horizontal visibility
if (filters == null)
{
filters = new ONFilterList();
}
filters.Add("HorizontalVisibility", new NaveNodrizaHorizontalVisibility());
// Linked To List
if (linkedTo == null)
{
linkedTo = new ONLinkedToList();
}
// Call Data
try
{
NaveNodrizaData lData = new NaveNodrizaData(OnContext);
ONCollection lCollection = lData.ExecuteQuery(linkedTo, filters, displaySet, lComparer, startRowOID, blockSize);
// OrderCriteria
if (lComparer != null)
{
lCollection.Sort(lComparer);
}
return(lCollection);
}
catch (Exception e)
{
if (e is ONException)
{
throw e;
}
else
{
string ltraceItem = "Error in query, Method: ExecuteQuery, Component: NaveNodrizaQuery";
if (e is ONSystemException)
{
ONSystemException lException = e as ONSystemException;
lException.addTraceInformation(ltraceItem);
throw lException;
}
throw new ONSystemException(e, ltraceItem);
}
}
}
public PasajeroAeronaveCollection PasajeroAeronaveRoleHV()
{
PasajeroAeronaveData ldata = new PasajeroAeronaveData(OnContext);
//Fix related instance
ONLinkedToList lLinkedTo = new ONLinkedToList();
lLinkedTo["Aeronave"] = Oid;
ONFilterList lFilterList = new ONFilterList();
lFilterList.Add("HorizontalVisibility", new PasajeroAeronaveHorizontalVisibility());
//Execute
return(ldata.ExecuteQuery(lLinkedTo, lFilterList, null, null, null, 1) as PasajeroAeronaveCollection);
}
public RevisionPasajeroCollection RevisionPasajeroRoleHV()
{
RevisionPasajeroData ldata = new RevisionPasajeroData(OnContext);
//Fix related instance
ONLinkedToList lLinkedTo = new ONLinkedToList();
lLinkedTo["Revision"] = Oid;
ONFilterList lFilterList = new ONFilterList();
lFilterList.Add("HorizontalVisibility", new RevisionPasajeroHorizontalVisibility());
//Execute
return(ldata.ExecuteQuery(lLinkedTo, lFilterList, null, null, null, 1) as RevisionPasajeroCollection);
}
/// <summary>
/// This method recovers an instance with the OID
/// </summary>
/// <param name="onContext">Recovers the context of the execution of the service</param>
/// <param name="linkedTo">List to reach the class to retrieve the related instance</param>
/// <param name="comparer">Order Criteria that must be followed</param>
/// <param name="${startRowOid}">OID frontier</param>
/// <param name="blockSize">Number of instances to be returned</param>
/// <returns>The instance</returns>
public override ONCollection FilterInLegacy(ONContext onContext, ONLinkedToList linkedTo, ONOrderCriteria comparer, ONOid startRowOID, int blockSize)
{
if (InData)
{
return(null);
}
// Add parameters
object[] lParameters = new object[2];
lParameters[0] = onContext;
lParameters[1] = mOid;
ONCollection lCollection = ONContext.GetComponent_Collection(mOid.ClassName, onContext);
ONInstance lInstance = ONContext.InvoqueMethod(ONContext.GetType_LV(mOid.ClassName), "QueryByOid", lParameters) as ONInstance;
if (lInstance != null)
{
lCollection.Add(lInstance);
}
return(lCollection);
}
/// <summary>
/// Fix related instance
/// </summary>
/// <param name="onSql">Sentence SQL to be executed</param>
/// <param name="linkedTo">List to reach the class to retrieve the related instance</param>
protected bool AddLinkedTo(ONSqlSelect onSql, ONLinkedToList linkedTo)
{
// Fix related instance
foreach (KeyValuePair <ONPath, ONOid> lDictionaryEntry in linkedTo)
{
ONPath lPath = lDictionaryEntry.Key as ONPath;
ONOid lOID = lDictionaryEntry.Value as ONOid;
string lAliasRelated = InhAddPath(onSql, lOID.ClassName, lPath, "", true);
// Check Visibility
if (!ONInstance.IsVisibleInv(ONContext.GetType_Instance(ClassName), lPath, OnContext))
{
return(false);
}
ONDBData lData = ONContext.GetComponent_Data(lOID.ClassName, OnContext) as ONDBData;
lData.InhFixInstance(onSql, null, lPath, lOID, true);
}
return(true);
}
/// <summary>
/// Treatment the part of the XML message that has links items
/// </summary>
/// <param name="xmlReader">Variable with the message XML to be treated</param>
/// <param name="dtdVersion">Version of the DTD that follows the XML message</param>
public ONLinkedToList GetLinkedTo(XmlReader xmlReader, double dtdVersion)
{
ONLinkedToList lLinkedToList = new ONLinkedToList();
if (!xmlReader.IsStartElement("LinkedTo"))
{
return(lLinkedToList);
}
if (xmlReader.IsEmptyElement)
{
xmlReader.ReadStartElement("LinkedTo");
return(lLinkedToList);
}
xmlReader.ReadStartElement("LinkedTo");
while (xmlReader.IsStartElement("Link.Item"))
{
ONPath lPath = new ONPath(xmlReader.GetAttribute("Role"));
xmlReader.ReadStartElement("Link.Item");
object[] lParam = new object[2];
lParam[0] = xmlReader;
lParam[1] = dtdVersion;
string lClassInstance = xmlReader.GetAttribute("Class");
ONOid lInstance = ONContext.InvoqueMethod(ONContext.GetType_XML(lClassInstance), "XML2ON", lParam) as ONOid;
lLinkedToList[lPath] = lInstance;
xmlReader.ReadEndElement(); // Link.Item
}
xmlReader.ReadEndElement(); // LinkedTo
return(lLinkedToList);
}
public override ONCollection QueryByRelated(ref string ticket, ref ONOid agentOid, XmlReader xmlReader, ONDisplaySet displaySet, out ONOid startRowOID, out int blockSize, double dtdVersion, string clientName)
{
ONLinkedToList lLinkedTo = null;
ONFilterList lFilters = new ONFilterList();
// Read Request
blockSize = int.Parse(xmlReader.GetAttribute("BlockSize"));
if (!xmlReader.IsEmptyElement)
{
xmlReader.ReadStartElement("Query.Related");
if (xmlReader.IsStartElement("StartRow"))
{
xmlReader.ReadStartElement("StartRow");
startRowOID = XML2ON(xmlReader, dtdVersion);
xmlReader.ReadEndElement(); // StartRow
}
else
{
startRowOID = null;
}
// Fill relations
lLinkedTo = GetLinkedTo(xmlReader, dtdVersion);
// Read Request
xmlReader.ReadEndElement(); // Query.Related
}
else
{
xmlReader.ReadStartElement("Query.Related");
lLinkedTo = new ONLinkedToList();
startRowOID = null;
}
// Read Order Criteria
string lOrderCriteria = "";
if (xmlReader.IsStartElement("Sort"))
{
lOrderCriteria = xmlReader.GetAttribute("Criterium");
xmlReader.Skip(); // Sort
}
//Read Navigational Filter
string lNavFilterId = "";
ONOid lSelectedObject = null;
if (xmlReader.IsStartElement("NavFilt"))
{
xmlReader.ReadStartElement("NavFilt");
if (xmlReader.IsStartElement("NavFilt.SelectedObject"))
{
lNavFilterId = xmlReader.GetAttribute("NavFilterID");
xmlReader.ReadStartElement("NavFilt.SelectedObject");
string lClassName = xmlReader.GetAttribute("Class");
if (lClassName == "")
{
lClassName = "GlobalTransaction";
}
object[] lArgs = new object[2];
lArgs[0] = xmlReader;
lArgs[1] = dtdVersion;
lSelectedObject = ONContext.InvoqueMethod(ONContext.GetType_XML(lClassName), "XML2ON", lArgs) as ONOid;
lArgs = new Object[1];
lArgs[0] = lSelectedObject;
lFilters.Add(lNavFilterId, ONContext.GetComponent_NavigationalFilter(lNavFilterId, lArgs) as ONFilter);
}
else if (xmlReader.IsStartElement("NavFilt.Argument"))
{
string lClassName = xmlReader.GetAttribute("Class");
if (lClassName == "")
{
lClassName = "GlobalTransaction";
}
string lServiceName = xmlReader.GetAttribute("Service");
string lArgumentName = xmlReader.GetAttribute("Argument");
xmlReader.ReadStartElement("NavFilt.Argument");
string lFilterName = lClassName + "_" + lServiceName + "Service_" + lArgumentName + "_NavigationalFilter";
if (xmlReader.IsStartElement("Arguments"))
{
object[] lArgs = new object[3];
lArgs[0] = xmlReader;
lArgs[1] = dtdVersion;
lArgs[2] = lArgumentName;
lFilters.Add(lFilterName, ONContext.InvoqueMethod(ONContext.GetComponent_XML(lClassName), typeof(ONNavigationalFilterXMLAttribute), "<Filter>" + lServiceName + "</Filter>", lArgs) as ONFilter);
}
else
{
lFilters.Add(lFilterName, ONContext.GetComponent_Filter(lFilterName, null) as ONFilter);
}
xmlReader.ReadEndElement(); //NavFilt.Argument
}
else if (xmlReader.IsStartElement("NavFilt.ServiceIU"))
{
lNavFilterId = xmlReader.GetAttribute("NavFilterID");
xmlReader.ReadStartElement("NavFilt.ServiceIU");
if (xmlReader.IsStartElement("Arguments"))
{
object[] lArgs = new object[2];
lArgs[0] = xmlReader;
lArgs[1] = dtdVersion;
ONServiceInfo lSInfo = new ONServiceInfo("", "", "", "");
lSInfo.XML2ON(xmlReader, dtdVersion, false);
HybridDictionary lArguments = new HybridDictionary(true);
foreach (ONArgumentInfo lArgument in lSInfo.mArgumentList.Values)
{
lArguments.Add(lArgument.Name, lArgument.Value);
}
lFilters.Add(lNavFilterId, ONContext.GetComponent_NavigationalFilter(lNavFilterId, new object[1] {
lArguments
}) as ONFilter);
}
else
{
lFilters.Add(lNavFilterId, ONContext.GetComponent_NavigationalFilter(lNavFilterId, null) as ONFilter);
}
xmlReader.ReadEndElement(); //NavFilt.ServiceIU
}
else if (xmlReader.IsStartElement("NavFilt.Variable"))
{
string lClassName = xmlReader.GetAttribute("Class");
string lSourceFilterName = xmlReader.GetAttribute("Filter");
string lVariableName = xmlReader.GetAttribute("Variable");
xmlReader.ReadStartElement("NavFilt.Variable");
string lFilterName = lClassName + "_" + lSourceFilterName + "Filter_" + lVariableName + "_NavigationalFilter";
if (xmlReader.IsStartElement("Filter.Variables"))
{
object[] lArgs = new object[3];
lArgs[0] = xmlReader;
lArgs[1] = dtdVersion;
lArgs[2] = lVariableName;
lFilters.Add(lFilterName, ONContext.InvoqueMethod(ONContext.GetComponent_XML(lClassName), typeof(ONNavigationalFilterXMLAttribute), "<Filter>" + lSourceFilterName + "</Filter>", lArgs) as ONFilter);
}
else
{
lFilters.Add(lFilterName, ONContext.GetComponent_Filter(lFilterName, null) as ONFilter);
}
xmlReader.ReadEndElement(); //NavFilt.Variable
}
}
// Create Context
ONContext lOnContext = new ONContext();
lOnContext.OidAgent = agentOid;
foreach (ONFilter lFilter in lFilters.Values)
{
lFilter.CheckFilterVariables(lOnContext);
}
// Execute
lOnContext.CalculateQueryInstancesNumber = true;
PasajeroQuery lQuery = new PasajeroQuery(lOnContext);
ONCollection lCollection = lQuery.QueryByFilter(lLinkedTo, lFilters, displaySet, lOrderCriteria, startRowOID, blockSize);
ticket = lOnContext.GetTicket(dtdVersion, clientName);
return(lCollection);
}
public ONCollection QueryByRelated(ONLinkedToList linkedTo, ONDisplaySet displaySet, string orderCriteria, ONOid startRowOID, int blockSize)
{
return(QueryByFilter(linkedTo, null, displaySet, orderCriteria, startRowOID, blockSize));
}
/// <summary> /// Retrieve all the instances of a determinate class that fulfil a determinate formula of searching /// </summary> /// <param name="linkedTo">List to reach the class to retrieve the related instance</param> /// <param name="filters">Formula to search concrete instances</param> /// <param name="comparer">Order Criteria that must be followed by the query</param> /// <param name="startRowOID">OID frontier</param> /// <param name="blockSize">Number of instances to be returned</param> public abstract ONCollection ExecuteQuery(ONLinkedToList linkedTo, ONFilterList filters, ONDisplaySet displaySet, ONOrderCriteria comparer, ONOid startRowOid, int blockSize);
public override ONCollection ExecuteQuery(ONLinkedToList linkedTo, ONFilterList filters, ONDisplaySet displaySet, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
ONCollection lInstances = null;
Type lTypeInstance = ONContext.GetType_Instance(ClassName);
ONLinkedToList lLinkedToLegacy = new ONLinkedToList();
ONLinkedToList lLinkedToLocal = new ONLinkedToList();
if (linkedTo == null)
{
linkedTo = new ONLinkedToList();
}
if (filters == null)
{
filters = new ONFilterList();
}
#region Treatment of LinkedTo
foreach (KeyValuePair <ONPath, ONOid> lDictionaryEntry in linkedTo)
{
ONPath lPath = lDictionaryEntry.Key as ONPath;
ONOid lOid = lDictionaryEntry.Value as ONOid;
if (ONInstance.IsLegacy(lTypeInstance, lPath))
{
lLinkedToLegacy.mLinkedToList.Add(lPath, lOid);
}
else
{
lLinkedToLocal.mLinkedToList.Add(lPath, lOid);
}
}
#endregion Treatment of LinkedTo
ONFilterList lFiltersToLegacy = new ONFilterList();
ONFilterList lFiltersToLocal = new ONFilterList();
#region Treatment of Filters
ONFilterList lFiltersToMixed = new ONFilterList();
foreach (ONFilter lFilter in filters.Values)
{
if (lFilter.InLegacy)
{
lFiltersToLegacy.Add(lFilter.FilterName, lFilter);
}
else
{
lFiltersToLocal.Add(lFilter.FilterName, lFilter);
}
}
#endregion Treatment of Filters
if ((lFiltersToLegacy.Count <= 1) && (lFiltersToLocal.Count == 0) && (lLinkedToLocal.mLinkedToList.Count == 0))
{
#region No leged filters
if (lFiltersToLegacy.Count == 0)
{
QueryByRelatedFilter lFilter = new QueryByRelatedFilter(ClassName, null, null);
lInstances = lFilter.FilterInLegacy(OnContext, lLinkedToLegacy, comparer, startRowOid, (blockSize == 0 ? 0 : blockSize + 1));
}
#endregion No leged filters
#region Solve leged filters
foreach (ONFilter lFilter in lFiltersToLegacy.Values)
{
ONCollection lInstancesAux = lFilter.FilterInLegacy(OnContext, lLinkedToLegacy, comparer, startRowOid, (blockSize == 0 ? 0 : blockSize + 1));
if (lInstances == null)
{
lInstances = lInstancesAux;
}
else
{
lInstances.Intersection(lInstancesAux);
}
}
#endregion Solve leged filters
if ((lInstances.totalNumInstances == -1) && (lInstances.Count <= blockSize) && ((startRowOid == null).TypedValue))
{
lInstances.totalNumInstances = lInstances.Count;
}
}
else
{
#region Solve leged filters
foreach (ONFilter lFilter in lFiltersToLegacy.Values)
{
ONCollection lInstancesAux = lFilter.FilterInLegacy(OnContext, lLinkedToLegacy, comparer, null, 0);
if (lInstances == null)
{
lInstances = lInstancesAux;
}
else
{
lInstances.Intersection(lInstancesAux);
}
}
#endregion Solve leged filters
#region Solve local filters in data
if ((lFiltersToLocal.InData) || (lLinkedToLocal.mLinkedToList.Count > 0))
{
ONCollection lInstancesAux = base.ExecuteQuery(lLinkedToLocal, lFiltersToLocal, displaySet, null, null, 0);
if (lInstances == null)
{
lInstances = lInstancesAux;
}
else
{
lInstances.Intersection(lInstancesAux);
}
}
#endregion Solve local filters in data
#region No leged filters
if (lFiltersToLegacy.Count == 0)
{
int maxNumberQueries = Convert.ToInt32(ONContext.GetType_LV(ClassName).GetField("maxNumberQueries").GetValue(null));
if ((lInstances == null || lInstances.Count > maxNumberQueries) || (lLinkedToLegacy.mLinkedToList.Count > 0) || (comparer != null))
{
ONCollection lInstancesAux = lInstances;
QueryByRelatedFilter lFilter = new QueryByRelatedFilter(ClassName, null, null);
lInstances = lFilter.FilterInLegacy(OnContext, lLinkedToLegacy, comparer, null, 0);
if (lInstancesAux != null)
{
lInstances.Intersection(lInstancesAux);
}
}
else
{
ONCollection lInstancesAux = ONContext.GetComponent_Collection(ClassName, OnContext);
foreach (object lobject in lInstances)
{
ONInstance lInstance = lobject as ONInstance;
QueryByOidFilter lFilter = new QueryByOidFilter(lInstance.Oid);
lInstancesAux.AddRange(lFilter.FilterInLegacy(OnContext, null, null, null, 0));
}
lInstances = lInstancesAux.Clone() as ONCollection;
}
}
#endregion No leged filters
#region Solve local filters in memory
if ((lInstances != null) && (lFiltersToLocal.InMemory))
{
ONCollection lInstancesAux = lInstances;
lInstances = ONContext.GetComponent_Collection(ClassName, OnContext);
foreach (ONInstance lInstance in lInstancesAux)
{
if (lFiltersToLocal.FilterInMemory(lInstance))
{
lInstances.Add(lInstance);
}
}
}
#endregion Solve local filters in memory
lInstances.totalNumInstances = lInstances.Count;
}
return(lInstances);
}
public virtual ONCollection FilterInLegacy(ONContext onContext, ONLinkedToList lLinkedToList, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
return(null);
}
public abstract ONCollection QueryByFilter(ONLinkedToList linkedTo, ONFilterList filters, ONDisplaySet displaySet, string orderCriteria, ONOid startRowOID, int blockSize);
/// <summary>
/// Retrieve all the instances of a determinate class that fulfil a determinate formula of searching
/// </summary>
/// <param name="linkedTo">List to reach the class to retrieve the related instance</param>
/// <param name="filters">Formula to search concrete instances</param>
/// <param name="comparer">Order Criteria that must be followed by the query</param>
/// <param name="startRowOID">OID frontier</param>
/// <param name="blockSize">Number of instances to be returned</param>
public override ONCollection ExecuteQuery(ONLinkedToList linkedTo, ONFilterList filters, ONDisplaySet displaySet, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
try
{
ONCollection lInstances = null;
Type lTypeInstance = ONContext.GetType_Instance(ClassName);
Type lTypeQuery = ONContext.GetType_Query(ClassName);
// Initialize the list of related queries
if (linkedTo == null)
{
linkedTo = new ONLinkedToList();
}
// Initialize the filter list
if (filters == null)
{
filters = new ONFilterList();
}
ONLinkedToList lLinkedToLegacy = new ONLinkedToList();
ONLinkedToList lLinkedToLocal = new ONLinkedToList();
ONLinkedToList lLinkedToMixed = new ONLinkedToList();
#region Treatment of LinkedTo
foreach (KeyValuePair <ONPath, ONOid> lDictionaryEntry in linkedTo)
{
ONPath lPath = lDictionaryEntry.Key as ONPath;
ONOid lOid = lDictionaryEntry.Value as ONOid;
ONPath lInversePath = new ONPath(ONInstance.InversePath(lTypeInstance, lPath));
Type lTypeTargetClassInstance = ONContext.GetType_Instance(ONInstance.GetTargetClass(OnContext, lTypeInstance, lPath));
if ((lInversePath.Count == 0) || (!ONInstance.IsVisible(lTypeTargetClassInstance, lInversePath, OnContext)))
{
return(ONContext.GetComponent_Collection(ClassName, OnContext));
}
bool lexistLV = false;
ONData lData = ONContext.GetComponent_Data(InhGetTargetClassName(lPath), OnContext);
if (lData.GetType().BaseType == typeof(ONLVData))
{
if (!lOid.Exist(OnContext, null))
{
return(ONContext.GetComponent_Collection(ClassName, OnContext));
}
}
foreach (string lRole in lInversePath.Roles)
{
lData = ONContext.GetComponent_Data(lData.InhGetTargetClassName(new ONPath(lRole)), OnContext);
if (lData.GetType().BaseType == typeof(ONLVData))
{
lexistLV = true;
}
}
if (!lexistLV)
{
lLinkedToLocal.mLinkedToList.Add(lPath, lOid);
}
else
{
lLinkedToMixed.mLinkedToList.Add(lPath, lOid);
}
}
#endregion
#region displaySet
if (!filters.PreloadRelatedAttributes)
{
displaySet = null;
}
#endregion displaySet
#region No link item
if ((linkedTo.mLinkedToList.Count == 0) || (lLinkedToMixed.mLinkedToList.Count > 0))
{
if ((GetType().BaseType != typeof(ONLVData)) || (filters.InData))
{
lInstances = SolveQuery(new ONLinkedToList(), filters, displaySet, comparer, startRowOid, blockSize);
}
}
#endregion
#region Local Link
if (lLinkedToLocal.mLinkedToList.Count > 0)
{
ONCollection lInstancesAux = SolveQuery(lLinkedToLocal, filters, displaySet, comparer, startRowOid, blockSize);
if (lInstances != null)
{
lInstances.Intersection(lInstancesAux);
}
else
{
lInstances = lInstancesAux;
}
}
#endregion
#region Hybrid Link
if (lLinkedToMixed.mLinkedToList.Count > 0)
{
ONCollection lInstancesAux = null;
foreach (KeyValuePair <ONPath, ONOid> lDictionaryEntry in lLinkedToMixed)
{
ONPath lPath = lDictionaryEntry.Key as ONPath;
ONOid lOid = lDictionaryEntry.Value as ONOid;
if (lPath.Roles.Count == 1)
{
ONLinkedToList lLinked = new ONLinkedToList();
lLinked[lPath] = lOid;
ONCollection lInstanceColl = SolveQuery(lLinked, filters, displaySet, comparer, startRowOid, blockSize);
if (lInstances != null)
{
lInstances.Intersection(lInstanceColl);
}
else
{
lInstances = lInstanceColl;
}
continue;
}
#region Optimized Path
ONLinkedToList linkedToOptimized = new ONLinkedToList();
ONPath lInversePath = new ONPath(ONInstance.InversePath(lTypeInstance, lPath));
ONPath lOptimizedRole = new ONPath(lInversePath.RemoveHead() as string);
Type lTypeInstanceDestiny = ONContext.GetType_Instance(InhGetTargetClassName(lPath));
bool lBeginIsLegacy = (ONInstance.IsLegacy(lTypeInstanceDestiny, lOptimizedRole));
bool lEnterLoop = true;
ONData lData = ONContext.GetComponent_Data(InhGetTargetClassName(lPath), OnContext);
if (lData.GetType().BaseType != typeof(ONLVData))
{
if (ONContext.GetType_Data(lData.InhGetTargetClassName(lOptimizedRole)).BaseType == typeof(ONLVData))
{
lEnterLoop = false;
}
}
lPath.RemoveTail();
if (lEnterLoop)
{
while (lInversePath.Roles.Count > 0)
{
lData = ONContext.GetComponent_Data(InhGetTargetClassName(lPath), OnContext);
if ((!lBeginIsLegacy) && (ONContext.GetType_Data(lData.InhGetTargetClassName(new ONPath(lInversePath.Roles[0]))).BaseType == typeof(ONLVData)))
{
break;
}
if ((lBeginIsLegacy) && (ONContext.GetType_Data(lData.InhGetTargetClassName(new ONPath(lInversePath.Roles[0]))).BaseType != typeof(ONLVData)))
{
break;
}
lOptimizedRole.Roles.Add(lInversePath.RemoveHead());
lPath.RemoveTail();
}
}
linkedToOptimized[ONInstance.InversePath(lTypeInstanceDestiny, lOptimizedRole)] = lOid;
if ((lPath.Count > 0) || (lBeginIsLegacy))
{
// It is not the last role or it is leged
lInstancesAux = ONContext.GetComponent_Data(InhGetTargetClassName(lPath), OnContext).ExecuteQuery(linkedToOptimized, null, null, comparer, startRowOid, blockSize);
}
else
{
// It is the last role and it is local
lInstancesAux = ONContext.GetComponent_Data(InhGetTargetClassName(lPath), OnContext).ExecuteQuery(linkedToOptimized, null, displaySet, comparer, startRowOid, blockSize);
}
#endregion
#region Rest of the path
lInstancesAux = lInstancesAux[lInversePath] as ONCollection;
#endregion
if (lInstances != null)
{
lInstances.Intersection(lInstancesAux);
}
else
{
lInstances = lInstancesAux;
}
}
}
#endregion
return(lInstances);
}
catch (Exception e)
{
string ltraceItem = "Method: SolveQuery, Component: ONDBData";
if (e is ONSystemException)
{
ONSystemException lException = e as ONSystemException;
lException.addTraceInformation(ltraceItem);
throw lException;
}
throw new ONSystemException(e, ltraceItem);
}
}
