// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include "UT_STD.H"

// Class CDbRestrictStage

CDbRestrictStage::CDbRestrictStage(TDbTextComparison aComparison)

	: iTextOp(TTextOps::Ops(aComparison))

	{}

CDbRestrictStage::~CDbRestrictStage()

	{

	delete iRestriction;

	}

TInt CDbRestrictStage::CountL()

	{

	return KDbUndefinedCount;

	}

TBool CDbRestrictStage::FilterRowL(TDbRecordId aRecordId)

	{

	CDbDataStage::ReadRowL(aRecordId);

	return Restriction().EvaluateL(iTextOp);

	}

CDbRestrictStage::TGoto CDbRestrictStage::GotoL(TInt& aWork,TDbPosition aPosition,TDbRecordId& aRecordId)

	{

	TGoto go=CDbDataStage::GotoL(aWork,aPosition,aRecordId);

	if (go==ESuccess)

		{

		switch (aPosition)

			{

		case EDbFirst:

			aPosition=EDbNext;

			break;

		case EDbLast:

			aPosition=EDbPrevious;

			break;

		default:

			break;

			}

		do

			{

			TBool inSet=FilterRowL(aRecordId);

			aWork-=EWorkToRead;

			if (inSet)

				break;

			} while ((go=CDbDataStage::GotoL(aWork,aPosition,aRecordId))==ESuccess);

		}

	return go;

	}

TBool CDbRestrictStage::GotoL(TDbRecordId aRecordId)

//

// If the record exists, check the restriction

//

	{

	return CDbDataStage::GotoL(aRecordId) ? FilterRowL(aRecordId) : EFalse;

	}

CDbRestrictStage::TDelete CDbRestrictStage::DeleteRowL(TDbRecordId& aRecordId,TSynch aSynch)

//

// If trying to synchronise, and we find EDeletedAtNext, then we must check it is really in the rowset

//

	{

	TDelete r=CDbDataStage::DeleteRowL(aRecordId,aSynch);

	if (aSynch==ESynch && r==EDeletedAtNext && !FilterRowL(aRecordId))

		r=EDeletedInLimbo;		// not a member, this cursor is now "in limbo"

	return r;

	}