ncdengine/provider/server/src/ncdnodecachecleanermanager.cpp
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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:   Implements CNcdNodeCacheCleanerManager class
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "ncdnodecachecleanermanager.h"
       
    20 #include "ncdnodecachecleaner.h"
       
    21 #include "ncdnodemanager.h"
       
    22 #include "ncdnodedbmanager.h"
       
    23 #include "ncdnodefactory.h"
       
    24 #include "catalogsconstants.h"
       
    25 #include "ncdproviderdefines.h"
       
    26 #include "catalogsutils.h"
       
    27 #include "ncdgeneralmanager.h"
       
    28 
       
    29 #include "catalogsdebug.h"
       
    30 
       
    31 
       
    32 CNcdNodeCacheCleanerManager* 
       
    33 CNcdNodeCacheCleanerManager::NewL( CNcdGeneralManager& aGeneralManager,
       
    34                                    CNcdNodeDbManager& aNodeDbManager,
       
    35                                    TInt aDbDefaultMaxSize,                                                  
       
    36                                    CNcdNodeFactory& aNodeFactory )
       
    37     {
       
    38     CNcdNodeCacheCleanerManager* self =   
       
    39         CNcdNodeCacheCleanerManager::NewLC( aGeneralManager, 
       
    40                                             aNodeDbManager, 
       
    41                                             aDbDefaultMaxSize,
       
    42                                             aNodeFactory );
       
    43     CleanupStack::Pop( self );
       
    44     return self;        
       
    45     }
       
    46 
       
    47 CNcdNodeCacheCleanerManager* 
       
    48 CNcdNodeCacheCleanerManager::NewLC( CNcdGeneralManager& aGeneralManager,
       
    49                                     CNcdNodeDbManager& aNodeDbManager,
       
    50                                     TInt aDbDefaultMaxSize,
       
    51                                     CNcdNodeFactory& aNodeFactory )
       
    52     {
       
    53     CNcdNodeCacheCleanerManager* self = 
       
    54         new( ELeave ) CNcdNodeCacheCleanerManager( aGeneralManager, 
       
    55                                                    aNodeDbManager,
       
    56                                                    aDbDefaultMaxSize, 
       
    57                                                    aNodeFactory );
       
    58     CleanupStack::PushL( self );
       
    59     self->ConstructL();
       
    60     return self;        
       
    61     }
       
    62 
       
    63 
       
    64 
       
    65 CNcdNodeCacheCleanerManager::CNcdNodeCacheCleanerManager( CNcdGeneralManager& aGeneralManager,
       
    66                                                           CNcdNodeDbManager& aNodeDbManager,
       
    67                                                           TInt aDbDefaultMaxSize,
       
    68                                                           CNcdNodeFactory& aNodeFactory )
       
    69 : CBase(),
       
    70   iGeneralManager( aGeneralManager ),
       
    71   iNodeManager( aGeneralManager.NodeManager() ),
       
    72   iNodeDbManager( aNodeDbManager ),
       
    73   iDbMaxSize( aDbDefaultMaxSize ),
       
    74   iNodeFactory( aNodeFactory )
       
    75     {
       
    76     }
       
    77 
       
    78 
       
    79 void CNcdNodeCacheCleanerManager::ConstructL()
       
    80     {
       
    81     // These values have to be set.   
       
    82     }
       
    83 
       
    84 
       
    85 CNcdNodeCacheCleanerManager::~CNcdNodeCacheCleanerManager()
       
    86     {
       
    87     DLTRACEIN((""));
       
    88 
       
    89     // Before deleting cache cleaners make sure that db cleaner
       
    90     // has finished its job.
       
    91     // Reload the node list just in case. Also, reset the list
       
    92     // when everything is done.
       
    93     DLINFO(("Cache cleaner force clean"));
       
    94     for ( TInt i = 0; i < iCleaners.Count(); ++i )
       
    95         {
       
    96         // Be sure to trap here, because destructor can not leave.
       
    97         TRAP_IGNORE( iCleaners[ i ]->ForceCleanupL() );       
       
    98         }
       
    99 
       
   100     // This manager owns the cleaners.
       
   101     // So, delete them.
       
   102     iCleaners.ResetAndDestroy();
       
   103         
       
   104     DLTRACEOUT((""));
       
   105     }        
       
   106 
       
   107 
       
   108 CNcdNodeCacheCleaner& CNcdNodeCacheCleanerManager::CacheCleanerL( const TUid& aClientUid )
       
   109     {
       
   110     DLTRACEIN((""));
       
   111     
       
   112     for ( TInt i = 0; i < iCleaners.Count(); ++i )
       
   113         {
       
   114         if ( aClientUid == iCleaners[ i ]->ClientUid() )
       
   115             {
       
   116             DLTRACEOUT(("Cleaner was in the array"));
       
   117             return *iCleaners[ i ];
       
   118             }
       
   119         }
       
   120 
       
   121     DLINFO(("Cleaner was not in the array. So, create new."));
       
   122     CNcdNodeCacheCleaner* cleaner( 
       
   123         CNcdNodeCacheCleaner::NewLC( iGeneralManager, NodeDbManager(), 
       
   124                                      DbMaxSize(), NodeFactory() ) );
       
   125     // Array takes the ownership.
       
   126     iCleaners.AppendL( cleaner );
       
   127     CleanupStack::Pop( cleaner );
       
   128        
       
   129     DLTRACEOUT((""));   
       
   130      
       
   131     return *cleaner;
       
   132     }
       
   133 
       
   134 
       
   135 TInt CNcdNodeCacheCleanerManager::DbMaxSize() const
       
   136     {
       
   137     DLTRACEIN((""));
       
   138     return iDbMaxSize;
       
   139     }
       
   140  
       
   141  
       
   142 void CNcdNodeCacheCleanerManager::SetDbMaxSize( const TInt aDbMaxSize )
       
   143     {
       
   144     DLTRACEIN((""));
       
   145     iDbMaxSize = aDbMaxSize;
       
   146     }
       
   147 
       
   148 
       
   149 void CNcdNodeCacheCleanerManager::CheckAllL() const
       
   150     {
       
   151     DLTRACEIN((""));
       
   152     
       
   153     for ( TInt i = 0; i < iCleaners.Count(); ++i )
       
   154         {
       
   155         iCleaners[ i ]->CheckDbSizeL();
       
   156         }
       
   157     
       
   158     DLTRACEOUT((""));
       
   159     }
       
   160 
       
   161 
       
   162 CNcdNodeManager& CNcdNodeCacheCleanerManager::NodeManager() const
       
   163     {
       
   164     return iNodeManager;
       
   165     }
       
   166 
       
   167 
       
   168 CNcdNodeDbManager& CNcdNodeCacheCleanerManager::NodeDbManager() const
       
   169     {
       
   170     return iNodeDbManager;
       
   171     }
       
   172 
       
   173 
       
   174 CNcdNodeFactory& CNcdNodeCacheCleanerManager::NodeFactory() const
       
   175     {
       
   176     return iNodeFactory;
       
   177     }
       
   178 
       
   179