--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/mmmtpdataprovider/inc/cmmmtpdpaccesssingleton.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,88 @@
+/*
+* Copyright (c) 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:  Meta data Access Singleton
+*
+*/
+
+
+#ifndef CMMMTPDPACCESSSINGLETON_H
+#define CMMMTPDPACCESSSINGLETON_H
+
+/**
+* Implements the MM MTP Data Priovider access singletons reference manager.
+*/
+
+class RFs;
+class CMmMtpDpMetadataAccessWrapper;
+class MMTPDataProviderFramework;
+
+class CMmMtpDpAccessSingleton : public CObject
+    {
+public:
+    /**
+     * Create Singleton instance
+     * need Release(), if no use
+     * @param aRFs RFs reference
+     * @param aFramework framework reference
+     */
+    IMPORT_C static void CreateL( RFs& aRfs, 
+        MMTPDataProviderFramework& aFramework );
+    
+    /**
+     * release singleton instance
+     */
+    IMPORT_C static void Release();
+    
+    /**
+     * get metadata access wrapper reference
+     */
+    IMPORT_C static CMmMtpDpMetadataAccessWrapper& GetAccessWrapperL();
+    
+    /**
+     * do some special process with assess DBs when receives opensession command
+     */
+    IMPORT_C static void OpenSessionL();
+    
+    /**
+     * do some special process with assess DBs when receives closesession command
+     */
+    IMPORT_C static void CloseSessionL();
+    
+private:
+    /*
+     * get singleton instance, for internal use
+     */
+    static CMmMtpDpAccessSingleton* Instance();
+    
+    /*
+     * 2-phase construction
+     */
+    static CMmMtpDpAccessSingleton* NewL( RFs& aRfs, 
+        MMTPDataProviderFramework& aFramework );
+    
+    /*
+     * 2-phase construction
+     */
+    void ConstructL( RFs& aRfs, 
+        MMTPDataProviderFramework& aFramework );
+    /*
+     * destruction
+     */
+    ~CMmMtpDpAccessSingleton();
+    
+private:
+    CMmMtpDpMetadataAccessWrapper* iWrapper;
+    };
+
+#endif // CMMMTPDPACCESSSINGLETON_H