diff -r 000000000000 -r bde4ae8d615e os/persistentdata/persistentstorage/store/pcstore/src/streamid.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/persistentdata/persistentstorage/store/pcstore/src/streamid.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,68 @@
+// Copyright (c) 2006-2009 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 <pcstore/streamid.h>
+#include <pcstore/storewritestream.h>
+#include <pcstore/storereadstream.h>
+#include "pcstoreconst.h"
+
+namespace PCStore
+{
+/**
+Constructs a zero stream id.
+*/
+TStreamId::TStreamId()
+	:iVal(0)
+	{}
+
+/**
+Constructs a stream id with the specified value.
+*/
+TStreamId::TStreamId(TUint32 aValue)
+	:iVal(aValue)
+	{}
+
+
+/**
+Gets the stream ID value encapsulated by this object
+
+@return The stream ID value. 
+*/
+TUint32 TStreamId::Value() const
+	{
+	return iVal;
+	}
+
+/** 
+Internalizes an object of this class from a read stream.
+
+@param aRs The reference to the stream from which the object should be internalized. 
+*/
+void TStreamId::Internalize(CStoreReadStream& aRs)
+	{
+	iVal = aRs.ReadUint32();
+	}
+
+/** 
+Externalizes an object of this class to a write stream.
+
+@param aWs The reference to the stream to which the object should be externalized. 
+*/
+void TStreamId::Externalize(CStoreWriteStream& aWs) const
+	{
+	aWs.WriteUint32(iVal);
+	}
+}