diff -r 000000000000 -r 876b1a06bc25 plugins/contacts/symbian/contactsmodel/cntsrv/src/ccnttransactionmsghandler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/contacts/symbian/contactsmodel/cntsrv/src/ccnttransactionmsghandler.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2007-2009 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: 
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include "ccntmsghandler.h"
+#include "ccntmsghandlerfptr.h"
+#include "ccnttransactionmsghandler.h"
+
+#include "ccntserver.h"
+#include "ccntipccodes.h"
+#include "ccntrequest.h"
+#include "ccntdbmanager.h"
+#include "ccntstatemachine.h"
+
+const TInt KCntTransactionIpcCodes[] =
+	{
+	EBeginDbTransaction,
+	EEndDbTransaction,
+	ERollbackDbTransaction
+	};
+
+CCntTransactionMsgHandler* CCntTransactionMsgHandler::NewLC(CCntSession& aSession)
+	{
+	CCntTransactionMsgHandler* CntTransactionMsgHandler = new (ELeave) CCntTransactionMsgHandler(aSession);
+	CleanupStack::PushL(CntTransactionMsgHandler);
+	return CntTransactionMsgHandler;
+	}
+	
+
+CCntTransactionMsgHandler::CCntTransactionMsgHandler(CCntSession& aSession)
+:CCntMsgHandler(aSession)
+	{		
+	}
+	
+CCntTransactionMsgHandler::~CCntTransactionMsgHandler()
+	{
+	}
+	
+/**
+Delegates the incoming op code to a message handling method.
+
+First checks if this class services the op code, it then uses the lookup table and finds 
+function pointer(to message handling method) mapped to the incoming message function (op code)
+and finally delegates the message to handling method.
+
+It returns KErrNotFound if op code not handled.
+*/
+TInt CCntTransactionMsgHandler::HandleMessageL(const RMessage2& aMessage)
+	{	
+	MsgHandlerFptr func_ptr = LookupHandlerMethodL(aMessage.Function(), KCntTransactionIpcCodes, sizeof(KCntTransactionIpcCodes)/sizeof(TInt));
+	
+	if(func_ptr)
+		{
+		TransactionMsgHandlerFptr mem_func_ptr = static_cast<TransactionMsgHandlerFptr>(func_ptr);
+		(this->*mem_func_ptr)(aMessage);
+		return (KErrNone);
+		}
+	
+	return (KErrNotFound);
+	}
+	
+/**
+Message handling methods.
+*/
+void CCntTransactionMsgHandler::BeginDbTransactionL(const RMessage2& aMessage)
+	{
+	// Maps to RCntModel::BeginDbTransaction().
+
+	CheckForManagerL();
+	CReqDbBeginTrans* request = CReqDbBeginTrans::NewLC(iSessionId, aMessage, iTimeOut);
+	iManager->StateMachineL().ProcessRequestL(request);  // ownership transferred
+	
+	// ProcessRequestL received ownership of the request, the request only need
+	// to be popped from CleanupStack.		
+	CleanupStack::Pop(request);
+	}
+	
+void CCntTransactionMsgHandler::EndDbTransactionL(const RMessage2& aMessage)
+	{
+	// Maps to RCntModel::CommitDbTransaction().
+
+	CheckForManagerL();
+	CReqDbCommitTrans* request = CReqDbCommitTrans::NewLC(iSessionId, aMessage, iTimeOut);
+	iManager->StateMachineL().ProcessRequestL(request);  // ownership transferred
+	
+	// ProcessRequestL received ownership of the request, the request only need
+	// to be popped from CleanupStack.	
+	CleanupStack::Pop(request);	
+	}
+	
+void CCntTransactionMsgHandler::RollbackDbTransactionL(const RMessage2& aMessage)
+	{
+	// Maps to RCntModel::RollbackDbTransaction().
+
+	CheckForManagerL();
+	CReqDbRollbackTrans* request = CReqDbRollbackTrans::NewLC(iSessionId, aMessage, iTimeOut);
+	iManager->StateMachineL().ProcessRequestL(request);  // ownership transferred
+	
+	// ProcessRequestL received ownership of the request, the request only need
+	// to be popped from CleanupStack.		
+	CleanupStack::Pop(request);		
+	}
+