1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/dbms/pcdbms/utable/UT_RSTRT.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,83 @@
     1.4 +// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "UT_STD.H"
    1.20 +
    1.21 +// Class CDbRestrictStage
    1.22 +CDbRestrictStage::CDbRestrictStage(TDbTextComparison aComparison)
    1.23 +	: iTextOp(TTextOps::Ops(aComparison))
    1.24 +	{}
    1.25 +
    1.26 +CDbRestrictStage::~CDbRestrictStage()
    1.27 +	{
    1.28 +	delete iRestriction;
    1.29 +	}
    1.30 +
    1.31 +TInt CDbRestrictStage::CountL()
    1.32 +	{
    1.33 +	return KDbUndefinedCount;
    1.34 +	}
    1.35 +
    1.36 +TBool CDbRestrictStage::FilterRowL(TDbRecordId aRecordId)
    1.37 +	{
    1.38 +	CDbDataStage::ReadRowL(aRecordId);
    1.39 +	return Restriction().EvaluateL(iTextOp);
    1.40 +	}
    1.41 +
    1.42 +CDbRestrictStage::TGoto CDbRestrictStage::GotoL(TInt& aWork,TDbPosition aPosition,TDbRecordId& aRecordId)
    1.43 +	{
    1.44 +	TGoto go=CDbDataStage::GotoL(aWork,aPosition,aRecordId);
    1.45 +	if (go==ESuccess)
    1.46 +		{
    1.47 +		switch (aPosition)
    1.48 +			{
    1.49 +		case EDbFirst:
    1.50 +			aPosition=EDbNext;
    1.51 +			break;
    1.52 +		case EDbLast:
    1.53 +			aPosition=EDbPrevious;
    1.54 +			break;
    1.55 +		default:
    1.56 +			break;
    1.57 +			}
    1.58 +		do
    1.59 +			{
    1.60 +			TBool inSet=FilterRowL(aRecordId);
    1.61 +			aWork-=EWorkToRead;
    1.62 +			if (inSet)
    1.63 +				break;
    1.64 +			} while ((go=CDbDataStage::GotoL(aWork,aPosition,aRecordId))==ESuccess);
    1.65 +		}
    1.66 +	return go;
    1.67 +	}
    1.68 +
    1.69 +TBool CDbRestrictStage::GotoL(TDbRecordId aRecordId)
    1.70 +//
    1.71 +// If the record exists, check the restriction
    1.72 +//
    1.73 +	{
    1.74 +	return CDbDataStage::GotoL(aRecordId) ? FilterRowL(aRecordId) : EFalse;
    1.75 +	}
    1.76 +
    1.77 +CDbRestrictStage::TDelete CDbRestrictStage::DeleteRowL(TDbRecordId& aRecordId,TSynch aSynch)
    1.78 +//
    1.79 +// If trying to synchronise, and we find EDeletedAtNext, then we must check it is really in the rowset
    1.80 +//
    1.81 +	{
    1.82 +	TDelete r=CDbDataStage::DeleteRowL(aRecordId,aSynch);
    1.83 +	if (aSynch==ESynch && r==EDeletedAtNext && !FilterRowL(aRecordId))
    1.84 +		r=EDeletedInLimbo;		// not a member, this cursor is now "in limbo"
    1.85 +	return r;
    1.86 +	}