sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "UT_STD.H"
sl@0: 
sl@0: // Class CDbRestrictStage
sl@0: CDbRestrictStage::CDbRestrictStage(TDbTextComparison aComparison)
sl@0: 	: iTextOp(TTextOps::Ops(aComparison))
sl@0: 	{}
sl@0: 
sl@0: CDbRestrictStage::~CDbRestrictStage()
sl@0: 	{
sl@0: 	delete iRestriction;
sl@0: 	}
sl@0: 
sl@0: TInt CDbRestrictStage::CountL()
sl@0: 	{
sl@0: 	return KDbUndefinedCount;
sl@0: 	}
sl@0: 
sl@0: TBool CDbRestrictStage::FilterRowL(TDbRecordId aRecordId)
sl@0: 	{
sl@0: 	CDbDataStage::ReadRowL(aRecordId);
sl@0: 	return Restriction().EvaluateL(iTextOp);
sl@0: 	}
sl@0: 
sl@0: CDbRestrictStage::TGoto CDbRestrictStage::GotoL(TInt& aWork,TDbPosition aPosition,TDbRecordId& aRecordId)
sl@0: 	{
sl@0: 	TGoto go=CDbDataStage::GotoL(aWork,aPosition,aRecordId);
sl@0: 	if (go==ESuccess)
sl@0: 		{
sl@0: 		switch (aPosition)
sl@0: 			{
sl@0: 		case EDbFirst:
sl@0: 			aPosition=EDbNext;
sl@0: 			break;
sl@0: 		case EDbLast:
sl@0: 			aPosition=EDbPrevious;
sl@0: 			break;
sl@0: 		default:
sl@0: 			break;
sl@0: 			}
sl@0: 		do
sl@0: 			{
sl@0: 			TBool inSet=FilterRowL(aRecordId);
sl@0: 			aWork-=EWorkToRead;
sl@0: 			if (inSet)
sl@0: 				break;
sl@0: 			} while ((go=CDbDataStage::GotoL(aWork,aPosition,aRecordId))==ESuccess);
sl@0: 		}
sl@0: 	return go;
sl@0: 	}
sl@0: 
sl@0: TBool CDbRestrictStage::GotoL(TDbRecordId aRecordId)
sl@0: //
sl@0: // If the record exists, check the restriction
sl@0: //
sl@0: 	{
sl@0: 	return CDbDataStage::GotoL(aRecordId) ? FilterRowL(aRecordId) : EFalse;
sl@0: 	}
sl@0: 
sl@0: CDbRestrictStage::TDelete CDbRestrictStage::DeleteRowL(TDbRecordId& aRecordId,TSynch aSynch)
sl@0: //
sl@0: // If trying to synchronise, and we find EDeletedAtNext, then we must check it is really in the rowset
sl@0: //
sl@0: 	{
sl@0: 	TDelete r=CDbDataStage::DeleteRowL(aRecordId,aSynch);
sl@0: 	if (aSynch==ESynch && r==EDeletedAtNext && !FilterRowL(aRecordId))
sl@0: 		r=EDeletedInLimbo;		// not a member, this cursor is now "in limbo"
sl@0: 	return r;
sl@0: 	}