/*

* Copyright (c) 2006 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:  Harvester database manager

*

*/

#ifndef CMPXHARVESTERDBMANAGER_H

#define CMPXHARVESTERDBMANAGER_H

#include <e32base.h>

#include <d32dbms.h>

#include "mpxharvesterdb.h"

/**

 *  CMPXHarvesterDatabaseManager

 *

 *  Harvester database manager

 *

 *  @lib harvesterfilehandler.lib

 *  @since S60 3.0

 */

NONSHARABLE_CLASS( CMPXHarvesterDatabaseManager ) : public CBase

    {

public:

    /**

    * Two phased constructor

    * @param aFs file session

    * @return CMPXHarvesterDatabasemanager session

    */

    static CMPXHarvesterDatabaseManager* NewL( RFs& aFs );

    /**

    * Virtual destructor

    */

    virtual ~CMPXHarvesterDatabaseManager();

    /**

    * Open All databases

    */

    TInt OpenAllDatabasesL();

    /**

    * Reopen a particular database

    * (For MMC events)

    * @param TDriveNumber aDrive

    */

    void OpenDatabaseL( TDriveNumber aDrive );

    /**

    * Close all databases

    */

    void CloseAllDatabase();

    /**

    * Close a particular DB

    * (For MMC events)

    * @param TDriveNumber the Drive

    */

    void CloseDatabase( TDriveNumber aDrive );

    /**

    * Get a particular database

    * @param TDriveNumber the Drive

    */

    CMPXHarvesterDB& GetDatabaseL( TDriveNumber aDrive );

    /**

     * Remove a particular database from the array

     * @param TDriveNumber the Drive

     */

    void RemoveDatabaseL( TDriveNumber aDrive );

    /**

    * Return the number of databases

    * @return number of databases

    */

    TInt Count();

    /**

    * Get the n'th database

    * @param aDb index to the database

    * @return CMPXHarvesterDB reference

    */

    CMPXHarvesterDB& GetDatabaseL( TInt aDb );

    /**

    * Recreate all databases

    * Deletes old ones and re-creates

    */

    void RecreateDatabases();

    /**

    * Begin transaction on all databases

    */

    void BeginL();

    /**

    * Commit transaction on all databases

    */

    void CommitL();

    /**

    * Rollbacks the current transaction on all databases

    */

    void Rollback();

    /**

     * Checks if the spefified drive is a remove drive

     */      

    TBool IsRemoteDrive(TDriveNumber aDrive);

private:

    /**

    * Private constructor

    */

    CMPXHarvesterDatabaseManager( RFs& aFs );

    /**

    * Second phase constructor

    */

    void ConstructL();

private: // data

    RDbs                             iDBSession;

    RPointerArray<CMPXHarvesterDB>   iDatabases;

    RFs&                             iFs;   // Not Owned

    };

#endif // CMPXHARVESTERDBMANAGER_H