/// <summary>
/// override - always get a new record, and no need to refresh the position cache
/// </summary>
/// <returns></returns>
protected override IRecord GetBasicRecord()
{
IRecord record = DataviewSynchronizer.GetRecord(false);
GatewayResult result = TaskViews.GetPrimaryView().Fetch(record);
if (!result.Success)
{
DataviewSynchronizer.RemoveRecord(record);
record = null;
}
return(record);
}
/// <summary>
/// fetch record
/// </summary>
/// <returns></returns>
protected virtual IRecord GetBasicRecord()
{
IRecord record = DataviewSynchronizer.GetRecord(UseFirstRecord);
UseFirstRecord = false;
GatewayResult result = TaskViews.GetPrimaryView().Fetch(record);
UpdateViewEnd(result);
if (!result.Success)
{
DataviewSynchronizer.RemoveRecord(record);
record = null;
}
return(record);
}
internal override ReturnResultBase Execute()
{
bool isEmptyDataView = ((DataView)(Task.DataView)).isEmptyDataview();
DataviewSynchronizer.SetupDataview(Reverse);
IRecord origRecord = DataviewSynchronizer.GetCurrentRecord();
TaskViews.ViewMain.IgnorePositionCache = true;
GatewayResult result = TaskViews.OpenCursors(Reverse, new DbPos(true));
if (result.Success)
{
IRecord record;
while ((record = GetBasicRecord()) != null)
{
if (RecordComputer.Compute(record, true, false, false).Success)
{
//execute event OnRecordFetchEvent
onRecordFetch((Record)record);
DataviewSynchronizer.RemoveRecord(record);
}
}
}
TaskViews.CloseMainCursor();
TaskViews.ViewMain.IgnorePositionCache = false;
if (origRecord != null)
{
DataviewSynchronizer.SetCurrentRecord(origRecord != null ? origRecord.getId() : Int32.MinValue);
((DataView)(Task.DataView)).takeFldValsFromCurrRec();
}
((DataView)(Task.DataView)).setEmptyDataview(isEmptyDataView);
return(result);
}
/// <summary>
/// find the start record and get its position
/// </summary>
/// <returns></returns>
internal override ReturnResultBase Execute()
{
IRecord origRecord = DataviewSynchronizer.GetCurrentRecord();
bool recordFound = FindMatchingRecord();
if (recordFound)
{
// found a record - keep its position
IRecord currentRecord = DataviewSynchronizer.GetCurrentRecord();
DbPos outPos;
PositionCache.TryGetValue(new PositionId(currentRecord.getId()), out outPos);
ResultStartPosition = outPos;
LocalDataviewManager.Reset();
DataviewSynchronizer.RemoveRecord(currentRecord);
}
else
{
DataviewSynchronizer.SetCurrentRecord(origRecord != null ? origRecord.getId() : Int32.MinValue);
}
return(new GatewayResult());
}
