protected bool IsUseFetchNarrowingResultSetWrapper()
{
FetchNarrowingBean fnbean = FetchNarrowingBeanContext.GetFetchNarrowingBeanOnThread();
// for safety result
if (fnbean != null && fnbean.SafetyMaxResultSize > 0)
{
return(true);
}
// for unsupported paging (ConditionBean)
if (fnbean != null && fnbean.IsFetchNarrowingEffective)
{
// for unsupported paging (Database)
if (fnbean.IsFetchNarrowingSkipStartIndexEffective || fnbean.IsFetchNarrowingLoopCountEffective)
{
return(true);
}
// for auto paging (OutsideSql)
if (OutsideSqlContext.IsExistOutsideSqlContextOnThread())
{
OutsideSqlContext outsideSqlContext = OutsideSqlContext.GetOutsideSqlContextOnThread();
if (outsideSqlContext.IsOffsetByCursorForcedly || outsideSqlContext.IsLimitByCursorForcedly)
{
return(true);
}
}
}
return(false);
}
public static void SaveAllContextOnThread()
{
if (!IsExistContextStackOnThread())
{
Thread.SetData(_slot, new Stack <ContextStack>());
}
ContextStack contextStack = new ContextStack();
if (ConditionBeanContext.IsExistConditionBeanOnThread())
{
contextStack.ConditionBean = ConditionBeanContext.GetConditionBeanOnThread();
}
if (OutsideSqlContext.IsExistOutsideSqlContextOnThread())
{
contextStack.OutsideSqlContext = OutsideSqlContext.GetOutsideSqlContextOnThread();
}
if (FetchNarrowingBeanContext.IsExistFetchNarrowingBeanOnThread())
{
contextStack.FetchNarrowingBean = FetchNarrowingBeanContext.GetFetchNarrowingBeanOnThread();
}
if (InternalMapContext.IsExistInternalMapOnThread())
{
contextStack.InternalMap = InternalMapContext.GetInternalMap();
}
GetContextStackOnThread().Push(contextStack);
}
protected void CloseContext()
{
if (FetchNarrowingBeanContext.IsExistFetchNarrowingBeanOnThread())
{
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Because there is possible that fetch narrowing has been ignored for manualPaging of outsideSql.
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FetchNarrowingBeanContext.GetFetchNarrowingBeanOnThread().RestoreIgnoredFetchNarrowing();
}
ClearAllCurrentContext();
RestoreAllContextOnThreadIfExists();
}
public IDataReader CreateDataReader(IDataSource dataSource, IDbCommand cmd)
{
IDataReader dataReader = ExecuteReader(dataSource, cmd);
if (!IsUseFetchNarrowingResultSetWrapper())
{
return(dataReader);
}
FetchNarrowingBean fnbean = FetchNarrowingBeanContext.GetFetchNarrowingBeanOnThread();
FetchNarrowingResultSetWrapper wrapper = null;
if (OutsideSqlContext.IsExistOutsideSqlContextOnThread())
{
OutsideSqlContext outsideSqlContext = OutsideSqlContext.GetOutsideSqlContextOnThread();
wrapper = new FetchNarrowingResultSetWrapper(dataReader, fnbean
, outsideSqlContext.IsOffsetByCursorForcedly
, outsideSqlContext.IsLimitByCursorForcedly);
}
else
{
wrapper = new FetchNarrowingResultSetWrapper(dataReader, fnbean, false, false);
}
return(wrapper);
}