--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/store/UPAGE/UP_FILE.CPP	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,92 @@
+// Copyright (c) 1998-2009 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 "UP_STD.H"
+#include <s32file.h>
+
+EXPORT_C RFilePagePool::RFilePagePool()
+/** Default constructor. */
+	{}
+
+EXPORT_C RFilePagePool::RFilePagePool(CPageCache& aCache)
+	: TCachePagePool(aCache)
+/** Constructor with a page cache for the pool.
+
+@param aCache Page cache for the pool */
+	{}
+
+EXPORT_C void RFilePagePool::Close()
+/** Flushes cached pages to the file, and closes the file. */
+	{
+	TCachePagePool::Flush();
+	Release();
+	}
+
+EXPORT_C void RFilePagePool::Release()
+/** Closes the file without flushing the cache. */
+	{
+	Purge();
+	iFile.Close();
+	}
+
+EXPORT_C TInt RFilePagePool::Flush()
+/** Flushes the page cache and the file.
+
+@return KErrNone if successful, otherwise another of the system-wide error 
+codes. */
+	{
+	TInt r=TCachePagePool::Flush();
+	if (r==KErrNone)
+		{
+		r=iFile.Flush();
+		}
+	return r;
+	}
+
+EXPORT_C void RFilePagePool::FlushL()
+/** Flushes the page cache and the file, leaving with a system-wide error code 
+if an error occurs. */
+	{
+	TCachePagePool::FlushL();
+	__LEAVE_IF_ERROR(iFile.Flush());
+	}
+
+EXPORT_C TPageRef RFilePagePool::ExtendL(const TAny* aPage,TPageReclamation)
+	{
+	TInt pos=0;
+	__LEAVE_IF_ERROR(iFile.Seek(ESeekEnd,pos));
+	__ASSERT_DEBUG(pos>=0,User::Invariant());
+	if (pos%KPoolPageSize!=0)
+		__LEAVE(KErrCorrupt);
+//
+	__LEAVE_IF_ERROR(iFile.Write(pos,TPtrC8((const TUint8*)aPage,KPoolPageSize)));
+	return TPageRef(pos/KPoolPageSize+1);
+	}
+
+EXPORT_C void RFilePagePool::WriteL(TPageRef aRef,const TAny* aPage,TPageChange)
+	{
+	TInt pos=(aRef.Value()-1)*KPoolPageSize;
+	__LEAVE_IF_ERROR(iFile.Write(pos,TPtrC8((const TUint8*)aPage,KPoolPageSize)));
+	}
+
+EXPORT_C void RFilePagePool::ReadL(TPageRef aRef,TAny* aPage)
+	{
+	TInt pos=(aRef.Value()-1)*KPoolPageSize;
+	TPtr8 ptr((TUint8*)aPage,KPoolPageSize);
+	__LEAVE_IF_ERROR(iFile.Read(pos,ptr));
+	if (ptr.Length()<KPoolPageSize)
+		__LEAVE(KErrEof);
+	}
+