mmappcomponents/harvester/filehandler/inc/mpxharvesterdbmanager.h
changeset 0 a2952bb97e68
child 9 bee149131e4b
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     1 /*
       
     2 * Copyright (c) 2006 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:  Harvester database manager
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef CMPXHARVESTERDBMANAGER_H
       
    20 #define CMPXHARVESTERDBMANAGER_H
       
    21 
       
    22 #include <e32base.h>
       
    23 #include <d32dbms.h>
       
    24 #include "mpxharvesterdb.h"
       
    25 
       
    26 /**
       
    27  *  CMPXHarvesterDatabaseManager
       
    28  *
       
    29  *  Harvester database manager
       
    30  *
       
    31  *  @lib harvesterfilehandler.lib
       
    32  *  @since S60 3.0
       
    33  */
       
    34 NONSHARABLE_CLASS( CMPXHarvesterDatabaseManager ) : public CBase
       
    35     {
       
    36 
       
    37 public:
       
    38 
       
    39     /**
       
    40     * Two phased constructor
       
    41     * @param aFs file session
       
    42     * @return CMPXHarvesterDatabasemanager session
       
    43     */
       
    44     static CMPXHarvesterDatabaseManager* NewL( RFs& aFs );
       
    45 
       
    46     /**
       
    47     * Virtual destructor
       
    48     */
       
    49     virtual ~CMPXHarvesterDatabaseManager();
       
    50 
       
    51     /**
       
    52     * Open All databases
       
    53     */
       
    54     TInt OpenAllDatabasesL();
       
    55 
       
    56     /**
       
    57     * Reopen a particular database
       
    58     * (For MMC events)
       
    59     * @param TDriveNumber aDrive
       
    60     */
       
    61     void OpenDatabaseL( TDriveNumber aDrive );
       
    62 
       
    63     /**
       
    64     * Close all databases
       
    65     */
       
    66     void CloseAllDatabase();
       
    67 
       
    68     /**
       
    69     * Close a particular DB
       
    70     * (For MMC events)
       
    71     * @param TDriveNumber the Drive
       
    72     */
       
    73     void CloseDatabase( TDriveNumber aDrive );
       
    74 
       
    75     /**
       
    76     * Get a particular database
       
    77     * @param TDriveNumber the Drive
       
    78     */
       
    79     CMPXHarvesterDB& GetDatabaseL( TDriveNumber aDrive );
       
    80 
       
    81     /**
       
    82      * Remove a particular database from the array
       
    83      * @param TDriveNumber the Drive
       
    84      */
       
    85     void RemoveDatabaseL( TDriveNumber aDrive );
       
    86 
       
    87     /**
       
    88     * Return the number of databases
       
    89     * @return number of databases
       
    90     */
       
    91     TInt Count();
       
    92 
       
    93     /**
       
    94     * Get the n'th database
       
    95     * @param aDb index to the database
       
    96     * @return CMPXHarvesterDB reference
       
    97     */
       
    98     CMPXHarvesterDB& GetDatabaseL( TInt aDb );
       
    99 
       
   100     /**
       
   101     * Recreate all databases
       
   102     * Deletes old ones and re-creates
       
   103     */
       
   104     void RecreateDatabases();
       
   105     
       
   106     /**
       
   107     * Begin transaction on all databases
       
   108     */
       
   109     void BeginL();
       
   110     
       
   111     /**
       
   112     * Commit transaction on all databases
       
   113     */
       
   114     void CommitL();
       
   115     
       
   116     /**
       
   117     * Rollbacks the current transaction on all databases
       
   118     */
       
   119     void Rollback();
       
   120     
       
   121     /**
       
   122      * Checks if the spefified drive is a remove drive
       
   123      */      
       
   124     TBool IsRemoteDrive(TDriveNumber aDrive);
       
   125       
       
   126 private:
       
   127 
       
   128     /**
       
   129     * Private constructor
       
   130     */
       
   131     CMPXHarvesterDatabaseManager( RFs& aFs );
       
   132 
       
   133     /**
       
   134     * Second phase constructor
       
   135     */
       
   136     void ConstructL();
       
   137 
       
   138 private: // data
       
   139     RDbs                             iDBSession;
       
   140     RPointerArray<CMPXHarvesterDB>   iDatabases;
       
   141 
       
   142     RFs&                             iFs;   // Not Owned
       
   143     };
       
   144 
       
   145 
       
   146 #endif // CMPXHARVESTERDBMANAGER_H