/// <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 ONOrderCriteria GetOrderCriteria(string orderCriteria)
{
ONOrderCriteria lComparer = ONContext.GetComponent_OrderCriteria(ClassName, orderCriteria);
if ((lComparer != null) && (!lComparer.IsVisible(OnContext)))
{
lComparer = null;
}
return(lComparer);
}
/// <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);
}
}
}
/// <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>
/// 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 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> This method adds the order criteria to the SQL statement </summary>
///<param name = "onSql"> This parameter represents the SQL component </param>
///<param name = "comparer"> This parameter has all the information refering to 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>
protected override void AddOrderCriteria(ONSqlSelect onSql, ONOrderCriteria comparer, ONOid startRowOid, int blockSize, ONPath initialPath)
{
//Initilizate StartRow
AeronaveInstance lInstance = null;
if (startRowOid != null)
{
lInstance = new AeronaveInstance(OnContext);
lInstance.Oid = startRowOid as AeronaveOid;
}
//Default OrderCriteria
if (comparer == null)
{
string lAlias = onSql.GetAlias("Aeronave", initialPath);
if (lInstance != null)
{
onSql.AddOrderBy(lAlias, CtesBD.FLD_AERONAVE_ID_AERONAVE, OrderByTypeEnumerator.Asc, lInstance.Oid.Id_AeronaveAttr);
}
else
{
onSql.AddOrderBy(lAlias, CtesBD.FLD_AERONAVE_ID_AERONAVE, OrderByTypeEnumerator.Asc, null);
}
return;
}
//Add OrderCriteria
bool lUseStartRow = (!comparer.InMemory);
foreach (ONOrderCriteriaItem lOrderCriteriaItem in comparer.OrderCriteriaSqlItem)
{
ONPath lPath = new ONPath(lOrderCriteriaItem.OnPath);
if((lInstance != null) && (lUseStartRow))
{
ONSimpleType lAttrStartRow = null;
if (lPath.Path == "")
lAttrStartRow = lInstance[lOrderCriteriaItem.Attribute] as ONSimpleType;
else
{
ONCollection lCollection = (lInstance[lPath.Path] as ONCollection);
if((lCollection != null) && (lCollection.Count > 0))
lAttrStartRow = lCollection[0][lOrderCriteriaItem.Attribute] as ONSimpleType;
}
onSql.AddOrderBy(AeronaveData.AddPath(onSql, JoinType.LeftJoin, lOrderCriteriaItem.Facet, lPath, null, lOrderCriteriaItem.DomainArgument, false), lOrderCriteriaItem.Attribute, lOrderCriteriaItem.Type, lAttrStartRow);
lUseStartRow = (lAttrStartRow != null);
}
else
onSql.AddOrderBy(AeronaveData.AddPath(onSql, JoinType.LeftJoin, lOrderCriteriaItem.Facet, lPath, null, lOrderCriteriaItem.DomainArgument, false), lOrderCriteriaItem.Attribute, lOrderCriteriaItem.Type, null);
}
return;
}
/// <summary>
/// Executes the SQL statment over the Data Base connected
/// </summary>
/// <param name="onSql">This parameter has the current SQL statment</param>
/// <param name="onFilterList">List of filters to check</param>
/// <param name="comparer">This parameter has all the information refering to the order criteria to add to SQL statment</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 ExecuteSql(ONSql onSql, ONFilterList onFilterList, ONDisplaySet displaySet, ONOrderCriteria orderCriteria, ONOid startRowOid, int blockSize)
{
AeronaveCollection lQuery = null;
bool lWithStartRow = (startRowOid != null).TypedValue;
long lCount = -1;
if (!lWithStartRow)
lCount = 0;
IDataReader lDataReader = null;
ONSQLConnection lOnSQLConnection = null;
try
{
lDataReader = Execute(onSql) as IDataReader;
AeronaveInstance lInstance = null;
AeronaveInstance lAntInstance = null;
if (lDataReader != null)
{
object[] lColumns;
if(displaySet == null)
lColumns = new object[4];
else
lColumns = new object[displaySet.ElementsInData];
lQuery = new AeronaveCollection(OnContext);
bool lFoundStartRow = false;
while (lDataReader.Read())
{
lAntInstance = lInstance;
// Read Columns
lDataReader.GetValues(lColumns);
// Read Instance
int lIndex = 0;
lInstance = LoadFacet(OnContext, displaySet, lColumns, ref lIndex);
// Read related attributes
if (displaySet != null)
LoadRelated(OnContext, displaySet, lColumns, lIndex, lInstance);
if (lCount >= 0) // Add the load instance
{
if ((onFilterList == null) || (!onFilterList.InMemory))
{
// Add to the Instance list
lQuery.Add(lInstance);
lCount++;
}
else
{
ONSQLConnection lSQLConnectionOld = (ONSQLConnection) lInstance.OnContext.SqlConnection;
// Set another connection because it is imposible to use
// the same connection that is used in the DataReader
if (lOnSQLConnection == null)
lOnSQLConnection = GetConnection();
lInstance.OnContext.SqlConnection = lOnSQLConnection;
if (onFilterList.FilterInMemory(lInstance))
{
// Add to the Instance list
lQuery.Add(lInstance);
lCount++;
}
lInstance.OnContext.SqlConnection = lSQLConnectionOld;
}
}
else
{
if ((orderCriteria != null) && (orderCriteria.InMemory)) // Need to load for ordering in memory after loading
{
if (lAntInstance != null)
{
// Set another connection because it is imposible to use
// the same connection that is used in the DataReader
ONSQLConnection lOnSQLConnectionOld = lInstance.OnContext.SqlConnection as ONSQLConnection;
if (lOnSQLConnection == null)
lOnSQLConnection = GetConnection();
lInstance.OnContext.SqlConnection = lOnSQLConnection;
int lCompare = orderCriteria.CompareSql(lInstance, lAntInstance);
if (lCompare != 0)
{
if (lFoundStartRow)
lCount = 1;
else
lQuery.Clear();
}
// Restores the old connection
lInstance.OnContext.SqlConnection = lOnSQLConnectionOld;
}
if ((onFilterList == null) || (!onFilterList.InMemory))
{
// Add to the Instance list
lQuery.Add(lInstance);
}
else
{
ONSQLConnection lSQLConnectionOld = (ONSQLConnection)lInstance.OnContext.SqlConnection;
// Set another connection because it is imposible to use
// the same connection that is used in the DataReader
if (lOnSQLConnection == null)
lOnSQLConnection = GetConnection();
lInstance.OnContext.SqlConnection = lOnSQLConnection;
if (onFilterList.FilterInMemory(lInstance))
{
// Add to the Instance list
lQuery.Add(lInstance);
}
else
lCount--;
lInstance.OnContext.SqlConnection = lSQLConnectionOld;
}
if (lInstance.Oid.Equals(startRowOid))
lFoundStartRow = true;
}
else if (lInstance.Oid.Equals(startRowOid)) // Search the start row
lCount = 0;
}
// Stop loading
if ((blockSize != 0) && (lCount > blockSize))
{
if (orderCriteria == null)
break;
else
{
// Set another connection because it is imposible to use
// the same connection that is used in the DataReader
ONSQLConnection lOnSQLConnectionOld = lInstance.OnContext.SqlConnection as ONSQLConnection;
if (lOnSQLConnection == null)
lOnSQLConnection = GetConnection();
lInstance.OnContext.SqlConnection = lOnSQLConnection;
int lCompare = orderCriteria.CompareSql(lInstance, lAntInstance);
// Restores the old connection
lInstance.OnContext.SqlConnection = lOnSQLConnectionOld;
if (lCompare > 0)
break;
}
}
}
}
}
catch (Exception e)
{
string ltraceItem = "Method: ExecuteSql, Component: AeronaveData";
if (e is ONSystemException)
{
ONSystemException lException = e as ONSystemException;
lException.addTraceInformation(ltraceItem);
throw lException;
}
throw new ONSystemException(e, ltraceItem);
}
finally
{
if (lOnSQLConnection != null)
ONDBData.CloseConnection(lOnSQLConnection);
if (lDataReader != null)
{
if (mSqlCommand != null)
mSqlCommand.Cancel();
lDataReader.Close();
}
Close();
if ((onFilterList != null) && (onFilterList.InMemory) && !lWithStartRow && (lCount <= blockSize))
lQuery.totalNumInstances = lQuery.Count;
}
return lQuery;
}
/// <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 adds the order criteria to the SQL statement </summary>
/// <param name="onSql"> This parameter represents the SQL component </param>
/// <param name="comparer"> This parameter has all the information refering to 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>
/// <param name="initialPath"> This parameter has the path of the instances reached in a For All</param>
protected virtual void AddOrderCriteria(ONSqlSelect onSql, ONOrderCriteria comparer, ONOid startRowOid, int blockSize, ONPath initialPath)
{
}
/// <summary>
/// Execution of a sql
/// </summary>
/// <param name="onSql">Sentence SQL to be executed</param>
/// <param name="onFilterList">List of filters to check</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 virtual ONCollection ExecuteSql(ONSql onSql, ONFilterList onFilterList, ONDisplaySet displaySet, ONOrderCriteria comparer, ONOid startRowOID, int blockSize)
{
return null;
}
/// <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);
}
}
/// <summary> This method adds the order criteria to the SQL statement </summary>
/// <param name="onSql"> This parameter represents the SQL component </param>
/// <param name="comparer"> This parameter has all the information refering to 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 void AddOrderCriteria(ONSqlSelect onSql, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
AddOrderCriteria(onSql, comparer, startRowOid, blockSize, null);
}
/// <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 ExecuteQuery(ONSql onSql, ONFilterList onFilterList, ONOrderCriteria comparer, ONOid startRowOID, int blockSize, ONInstance instance)
{
return null;
}
public virtual ONCollection FilterInLegacy(ONContext onContext, ONLinkedToList lLinkedToList, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
return(null);
}
public virtual ONCollection FilterInLegacy(ONContext onContext, ONLinkedToList lLinkedToList, ONOrderCriteria comparer, ONOid startRowOid, int blockSize)
{
return null;
}
/// <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);
}
