1 /*

     2 * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  A pool of database connections

    15 *

    16 */

    17 

    18 #ifndef __DBCONNECTIONPOOL_H__

    19 #define __DBCONNECTIONPOOL_H__

    20 

    21 #include <e32base.h>

    22 

    23 class CMdSSqLiteConnection;

    24 

    25 

    26 /**

    27  * A pool that handles interthread use of shared

    28  * database connections.

    29  * Current implementation uses only one shared

    30  * connection

    31  */

    32 class MMdSDbConnectionPool

    33     {

    34     public: // Constructors and destructor

    35 

    36         static void SetDefaultDB( CMdSSqLiteConnection* aConnection );

    37         static CMdSSqLiteConnection& GetDefaultDBL();

    38     private:

    39     	friend class CMdSMaintenanceEngine;

    40         static void DisconnectAll();

    41         static void ConnectAllL();

    42 

    43 

    44     private: // Member data

    45         

    46         static CMdSSqLiteConnection* iConnection;

    47         static TBool iDBValid;

    48     };

    49 

    50 

    51 #endif	// __DBCONNECTIONPOOL_H__

    52