/*

* Copyright (c) 2002-2009 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:  A pool of database connections

*

*/

#ifndef __DBCONNECTIONPOOL_H__

#define __DBCONNECTIONPOOL_H__

#include <e32base.h>

class CMdSSqLiteConnection;

/**

 * A pool that handles interthread use of shared

 * database connections.

 * Current implementation uses only one shared

 * connection

 */

class MMdSDbConnectionPool

    {

    public: // Constructors and destructor

        static void SetDefaultDB( CMdSSqLiteConnection* aConnection );

        static CMdSSqLiteConnection& GetDefaultDBL();

    private:

    	friend class CMdSMaintenanceEngine;

        static void DisconnectAll();

        static void ConnectAllL();

    private: // Member data

        static CMdSSqLiteConnection* iConnection;

        static TBool iDBValid;

    };

#endif	// __DBCONNECTIONPOOL_H__