persistentstorage/dbms/pcdbms/utable/UT_REC.CPP
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 22 Jan 2010 11:06:30 +0200
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// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "UT_STD.H"
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// Class CDbRecordBase
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EXPORT_C TBool CDbRecordBase::DoRestoreL()
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//
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// If we haven't been opened, then try to restore the state
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//
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	{
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	TBool broken=RestoreL();
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	iFlags|=broken ? EBroken : EOpen;
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	return broken;
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	}
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EXPORT_C void CDbRecordBase::TouchL()
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//
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// if we are not modified then mark
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// Can touch a broken object, will not invoke AboutToModifyL()
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//
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	{
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	__ASSERT(iFlags&(EOpen|EBroken));
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	if (!(iFlags&EModified))
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		{
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		if (!(iFlags&EBroken))
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			AboutToModifyL();
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		iFlags|=EModified;
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		}
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	}
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EXPORT_C void CDbRecordBase::FlushL()
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//
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// If we are open, modified and not broken then flush
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// Must allow un-opened Flush during framework cleanup on failed open
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//
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	{
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	if (iFlags==(EOpen|EModified))
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		{
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		SynchL();
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		iFlags&=~EModified;
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		}
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	}
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void CDbRecordBase::DoAbandon(CDbRecordBase* aRec)
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	{
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	aRec->Abandon();
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	}
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void CDbRecordBase::DoFlushL(CDbRecordBase* aRec)
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	{
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	aRec->FlushL();
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	}
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void CDbRecordBase::DoDelete(CDbRecordBase* aRec)
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	{
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	delete aRec;
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	}
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EXPORT_C TBool CDbRecordBase::RestoreL()
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//
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// default to do nothing
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//
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	{
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	return EFalse;
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	}
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EXPORT_C void CDbRecordBase::AboutToModifyL()
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//
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// default to do nothing
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//
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	{}
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EXPORT_C void CDbRecordBase::SynchL()
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//
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// default to do nothing
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//
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	{}
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// Class CDbRecordIter
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EXPORT_C CDbRecordIter::CDbRecordIter(CDbRecordBase& aHost)
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	:iHost(aHost)
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	{}
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EXPORT_C CDbRecordIter::~CDbRecordIter()
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	{}
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// Class CDbRecordSpace
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TUint8* CDbRecordSpace::ReplaceL(TDbRecordId aRecordId,TInt aRecordSize)
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	{
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	__ASSERT(!IsBroken());
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	TouchL();
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	return DoReplaceL(aRecordId,aRecordSize);
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	}
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TUint8* CDbRecordSpace::NewL(TInt aRecordSize)
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	{
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	__ASSERT(!IsBroken());
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	TouchL();
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	return DoNewL(aRecordSize);
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	}
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void CDbRecordSpace::EraseL(TDbRecordId aRecordId)
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	{
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	__ASSERT(!IsBroken());
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	TouchL();
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	DoEraseL(aRecordId);
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	}
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// Class CDbBlobSpace
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EXPORT_C MStreamBuf* CDbBlobSpace::ReadLC(TDbBlobId aBlobId,TDbColType aType) const
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	{
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	MStreamBuf* buf=ReadL(aBlobId,aType);
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	buf->PushL();
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	return buf;
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	}
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EXPORT_C MStreamBuf* CDbBlobSpace::CreateL(TDbBlobId &aBlobId,TDbColType aType)
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	{
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	__ASSERT(!IsBroken());
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	TouchL();
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	return DoCreateL(aBlobId,aType);
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	}
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EXPORT_C TDbBlobId CDbBlobSpace::CreateL(TDbColType aType,const TAny* aData,TInt aLength)
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//
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// Create a blob containing the data buffer
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//
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	{
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	TDbBlobId id;
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	MStreamBuf* buf=CreateL(id,aType);
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	buf->PushL();
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	buf->WriteL(aData,aLength);
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	buf->SynchL();
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	CleanupStack::PopAndDestroy();
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	return id;
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	}
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EXPORT_C void CDbBlobSpace::DeleteL(TDbBlobId aBlobId)
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	{
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	if (aBlobId!=KDbNullBlobId)
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		{
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		__ASSERT(!IsBroken());
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		TouchL();
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		DoDeleteL(aBlobId);
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		}
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	}
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EXPORT_C TInt CDbBlobSpace::Delete(TDbBlobId aBlobId)
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	{
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	TRAPD(r,DeleteL(aBlobId));
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	return r;
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	}
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// Class CDbRecordIndex
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TBool CDbRecordIndex::InsertL(TDbRecordId aRecordId,const RDbTableRow& aRow)
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	{
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	__ASSERT(!IsBroken());
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	TouchL();
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	return DoInsertL(aRecordId,aRow);
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	}
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void CDbRecordIndex::DeleteL(TDbRecordId aRecordId,const RDbTableRow& aRow)
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	{
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	__ASSERT(!IsBroken());
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	TouchL();
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	DoDeleteL(aRecordId,aRow);
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	}