--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingfw/msgsrvnstore/server/inc/CMsvChangeBuffer.h	Wed Nov 03 22:41:46 2010 +0530
@@ -0,0 +1,82 @@
+// Copyright (c) 2003-2009 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:
+//
+
+#ifndef __CMSVCHANGEBUFFER_H__
+#define __CMSVCHANGEBUFFER_H__
+
+//**********************************
+// TMsvChangeRecord
+//**********************************
+
+class CMsvChangeRecord : public CBase
+/**
+@internalComponent
+@released
+*/
+	{
+public:
+	static CMsvChangeRecord* NewL(const TDesC8& aChange, TUint32 aNotifySequence);
+	~CMsvChangeRecord();
+	//
+	inline const TDesC8& Change() const;
+	inline TUint32 NotifySequence() const;
+	//
+private:
+	CMsvChangeRecord(TUint32 aNotifySequence);
+	void ConstructL(const TDesC8& aChange);
+	//
+private:
+	HBufC8* iChange;
+	TUint32 iNotifySequence;
+	};
+
+//**********************************
+// CMsvChangeBuffer
+//**********************************
+
+const TInt KMsvChangeBufferSize=16;
+const TInt KMsvChangeBufferGranularity=16;
+
+class CMsvChangeBuffer : public CBase
+/**
+@internalComponent
+@released
+*/
+	{
+public:
+	static CMsvChangeBuffer* NewL();
+	~CMsvChangeBuffer();
+	//
+	inline TBool IsEmpty() const;
+	inline TUint32 NotifySequence() const;
+	//
+	void InL(const TDesC8& aChange);
+	const TDesC8& Next(TUint32& aNotifySequence);
+	void Out();
+private:
+	CMsvChangeBuffer();
+	void ConstructL();
+	void ShrinkArray();
+	void GrowArrayL();
+private:
+	TInt iInPos;
+	TInt iOutPos;
+	CArrayPtrFlat<CMsvChangeRecord>* iArray;
+	TUint iNotifySequence;
+	};
+
+#include "CMsvChangeBuffer.inl"
+
+#endif // __CMSVCHANGEBUFFER_H__