private void ProcessNestedQueries(IEnumerable <object[]> recordsReferenceValues)
{
if (recordsReferenceValues == null || _queryInfo == null)
{
if (_queryInfo != null)
{
_queryInfo.FinishNestedQueriesProcess(0);
}
return;
}
var recordsCount = 0;
int[] recordValuesPositions = GetRecordPositionsFromReferenceParameters();
foreach (var refValues in recordsReferenceValues)
{
recordsCount++;
IRecord referenceRecord = CreateRecordFromReferenceParameterValues(recordValuesPositions, refValues);
foreach (var query in GetQueryInfos(refValues))
{
IQueryResult result = null;
try
{
if (referenceRecord == null || query.CanExecute(referenceRecord))
{
result = _executer(query);
}
else
{
result = new QueryResult(new Record.RecordDescriptor("EmptyResult", new Record.Field[0]), new Record[0]);
}
}
catch (Exception ex)
{
if (query.ExecuteObserver != null)
{
query.ExecuteObserver.Error(query, new QueryFailedInfo(QueryFailedReason.Error, ex.Message.GetFormatter(), ex));
}
return;
}
try
{
var values = new ReferenceParameterValueCollection();
if (_referenceParameters != null)
{
for (var i = 0; i < _referenceParameters.Length; i++)
{
values.Add(new ReferenceParameterValue(_referenceParameters[i].ColumnName, refValues[i]));
}
}
if (query.ExecuteObserver != null)
{
query.ExecuteObserver.Executed(query, values, result);
}
}
finally
{
if (result is IDisposable)
{
((IDisposable)result).Dispose();
}
else
{
var enumerator = result.GetEnumerator();
while (enumerator != null && enumerator.MoveNext())
{
;
}
}
}
_queryInfo.NotifyNestedQueryProcessed(query, recordsCount);
}
_queryInfo.FinishNestedQueriesRecordProcess(recordsCount);
}
if (_queryInfo != null)
{
_queryInfo.FinishNestedQueriesProcess(recordsCount);
}
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="info"></param>
/// <param name="referenceValues"></param>
/// <param name="result"></param>
public SubQueryCallBackArgs(QueryInfo info, ReferenceParameterValueCollection referenceValues, IQueryResult result)
{
_info = info;
_referenceValues = referenceValues;
_result = result;
}