1 /*

     2 * Copyright (c) 2009-2010 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:

    15 * Implementation of bearer priority array cache.

    16 *

    17 */

    18 

    19 

    20 #ifndef CMMBEARERPRIORITYCACHE_H_

    21 #define CMMBEARERPRIORITYCACHE_H_

    22 

    23 #include <e32base.h>

    24 #include <metadatabase.h>

    25 

    26 class CCmmBearerPriority;

    27 class CCmmTransactionHandler;

    28 

    29 

    30 NONSHARABLE_CLASS( CCmmBearerPriorityCache ) : public CBase

    31     {

    32 public:

    33     /**

    34      * Two phased constuction.

    35      */

    36     static CCmmBearerPriorityCache* NewL(

    37             CCmmTransactionHandler* aTrans,

    38             CommsDat::TMDBElementId aBearerPriorityTableId );

    39 

    40     /**

    41      * Two phased constuction.

    42      */

    43     static CCmmBearerPriorityCache* NewLC(

    44             CCmmTransactionHandler* aTrans,

    45             CommsDat::TMDBElementId aBearerPriorityTableId );

    46 

    47     /**

    48      * Destructor.

    49      */

    50     ~CCmmBearerPriorityCache();

    51 

    52 private:

    53     /**

    54      * Constructor.

    55      */

    56     CCmmBearerPriorityCache(

    57             CCmmTransactionHandler* aTrans,

    58             CommsDat::TMDBElementId aBearerPriorityTableId );

    59 

    60     /**

    61      * 2nd phase constructor.

    62      * Reads the bearer priorities from CommsDat and stores them to own array.

    63      */

    64     void ConstructL();

    65 

    66 public:

    67     /**

    68      * Updates the bearer priority array with the contents of aArray.

    69      */

    70     void UpdateL( const RPointerArray<CCmmBearerPriority>& aArray );

    71 

    72     /**

    73      * Copies the cache's contents to aArray.

    74      */

    75     void CopyL( RPointerArray<CCmmBearerPriority>& aArray ) const;

    76 

    77     /**

    78      * Get the priority value for a service type from the bearer priority

    79      * cache.

    80      */

    81     TUint GetPriority( const TDesC& aServiceType ) const;

    82 

    83 private:

    84     void ReadL();

    85 

    86 private:

    87     // Database transaction handler.

    88     CCmmTransactionHandler* iTrans; // Not owned.

    89 

    90     // Cached contents of the bearer priority array.

    91     RPointerArray<CCmmBearerPriority> iArray; // Owns contents.

    92 

    93     // Global bearer type priorization table ID.

    94     CommsDat::TMDBElementId iBearerPriorityTableId;

    95     };

    96 

    97 #endif // CMMBEARERPRIORITYCACHE_H_

    98 

    99 // End of file