ncdengine/provider/storage/src/ncddbstoragemanager.cpp
changeset 4 32704c33136d
equal deleted inserted replaced
-1:000000000000 4:32704c33136d
       
     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:  
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "ncddbstoragemanager.h"
       
    20 
       
    21 #include "ncdstoragebase.h"
       
    22 #include "ncdstoragepanics.pan"
       
    23 
       
    24 #include "catalogsdebug.h"
       
    25 
       
    26 #include <f32file.h>
       
    27 #include <bautils.h>
       
    28 
       
    29 // ---------------------------------------------------------------------------
       
    30 // 
       
    31 // ---------------------------------------------------------------------------
       
    32 //
       
    33 CNcdDbStorageManager* CNcdDbStorageManager::NewLC(
       
    34     RFs& aFs,
       
    35     const TDesC& aStorageUid,
       
    36     const TDesC& aStorageFolder,
       
    37     const TDesC& aStorageName )
       
    38     {
       
    39     CNcdDbStorageManager* manager = new (ELeave) CNcdDbStorageManager;
       
    40     CleanupStack::PushL( manager );
       
    41     manager->ConstructL( aFs, aStorageUid, aStorageFolder, aStorageName );
       
    42     return manager;
       
    43     }
       
    44 
       
    45 
       
    46 
       
    47 // ---------------------------------------------------------------------------
       
    48 // 
       
    49 // ---------------------------------------------------------------------------
       
    50 //
       
    51 CNcdDbStorageManager::~CNcdDbStorageManager()
       
    52     {
       
    53     DLTRACEIN(("this-ptr: %X", this));        
       
    54     delete iStorage;
       
    55     delete iData;
       
    56     }
       
    57 
       
    58 
       
    59 // ---------------------------------------------------------------------------
       
    60 // 
       
    61 // ---------------------------------------------------------------------------
       
    62 //
       
    63 CNcdDbStorageManager::CNcdDbStorageManager() :
       
    64     iLocallyOpenCount( 0 ),
       
    65     iForceOpen( EFalse )
       
    66     {
       
    67     DLTRACEIN(( "this-ptr: %X", this ));
       
    68     }
       
    69 
       
    70 
       
    71 // ---------------------------------------------------------------------------
       
    72 // 
       
    73 // ---------------------------------------------------------------------------
       
    74 //
       
    75 void CNcdDbStorageManager::ConstructL( 
       
    76     RFs& aFs,
       
    77     const TDesC& aStorageUid, 
       
    78     const TDesC& aStorageFolder, const TDesC& aStorageName )
       
    79     {
       
    80     DLTRACEIN((""));    
       
    81     iStorage = CNcdStorageBase::NewL( aFs, aStorageUid, aStorageFolder, 
       
    82         aStorageName );
       
    83 
       
    84     DLTRACE(("CNcdStorageBase created"));
       
    85     iStorage->SetListener( this );
       
    86 
       
    87     User::LeaveIfError( iStorage->Open() );
       
    88 
       
    89     // Create data object
       
    90     iData = new (ELeave) CNcdDbStorageManagerData( this );
       
    91 
       
    92     DLTRACEOUT( ("") );
       
    93     }
       
    94 
       
    95 
       
    96 // ---------------------------------------------------------------------------
       
    97 // 
       
    98 // ---------------------------------------------------------------------------
       
    99 //
       
   100 MNcdStorageItem* CNcdDbStorageManager::StorageItemL( const TDesC& aUid, 
       
   101     TInt aType )
       
   102     {
       
   103     return (MNcdStorageItem*)iStorage->StorageItemL( aUid, aType );
       
   104     }
       
   105 
       
   106 
       
   107 // ---------------------------------------------------------------------------
       
   108 // 
       
   109 // ---------------------------------------------------------------------------
       
   110 //
       
   111 void CNcdDbStorageManager::StorageItemsL( 
       
   112     RPointerArray<MNcdStorageItem>& aItems )
       
   113     {
       
   114     iStorage->StorageItemsL( aItems );
       
   115     }
       
   116 
       
   117 
       
   118 // ---------------------------------------------------------------------------
       
   119 // 
       
   120 // ---------------------------------------------------------------------------
       
   121 //
       
   122 void CNcdDbStorageManager::RemoveItemsL( 
       
   123     const RArray<RNcdDatabaseItems>& aDoNotRemoveItems )
       
   124     {
       
   125     iStorage->RemoveItemsL( aDoNotRemoveItems );
       
   126     }
       
   127 
       
   128 
       
   129 // ---------------------------------------------------------------------------
       
   130 // 
       
   131 // ---------------------------------------------------------------------------
       
   132 //
       
   133 void CNcdDbStorageManager::Begin()
       
   134     {
       
   135     iForceOpen = ETrue;
       
   136     iData->StorageOpened();
       
   137     }
       
   138 
       
   139 // ---------------------------------------------------------------------------
       
   140 // 
       
   141 // ---------------------------------------------------------------------------
       
   142 //
       
   143 void CNcdDbStorageManager::CommitL()
       
   144     {
       
   145     DLTRACEIN((""));
       
   146     iForceOpen = EFalse;
       
   147     iData->StorageClosedL();
       
   148     }
       
   149 
       
   150 // ---------------------------------------------------------------------------
       
   151 // 
       
   152 // ---------------------------------------------------------------------------
       
   153 //
       
   154 void CNcdDbStorageManager::Rollback()
       
   155     {
       
   156     iForceOpen = EFalse;
       
   157     iData->Rollback();
       
   158     }
       
   159 
       
   160 // ---------------------------------------------------------------------------
       
   161 // 
       
   162 // ---------------------------------------------------------------------------
       
   163 //
       
   164 TBool CNcdDbStorageManager::ItemExistsInStorageL( 
       
   165     MNcdStorageItem& aStorageItem )
       
   166     {
       
   167     return ItemExistsInStorageL( aStorageItem.Uid(), aStorageItem.Type() );
       
   168     }
       
   169 
       
   170 
       
   171 // ---------------------------------------------------------------------------
       
   172 // 
       
   173 // ---------------------------------------------------------------------------
       
   174 //
       
   175 TBool CNcdDbStorageManager::ItemExistsInStorageL( const TDesC& aUid, 
       
   176     TInt aType )
       
   177     {
       
   178     return iStorage->ItemExistsInStorageL( aUid, aType );
       
   179     }
       
   180 
       
   181 // ---------------------------------------------------------------------------
       
   182 // 
       
   183 // ---------------------------------------------------------------------------
       
   184 //
       
   185 MNcdDatabaseStorage::TNcdDatabaseSize CNcdDbStorageManager::Size() const
       
   186     {
       
   187     return iStorage->Size();
       
   188     }
       
   189 
       
   190 
       
   191 // ---------------------------------------------------------------------------
       
   192 // Compact
       
   193 // ---------------------------------------------------------------------------
       
   194 //
       
   195 void CNcdDbStorageManager::Compact() 
       
   196     {
       
   197     DLTRACEIN((""));
       
   198     CommitCachedItems();
       
   199     iStorage->Compact();
       
   200     }
       
   201 
       
   202 
       
   203 // ---------------------------------------------------------------------------
       
   204 // 
       
   205 // ---------------------------------------------------------------------------
       
   206 //
       
   207 void CNcdDbStorageManager::CacheOpened()
       
   208     {
       
   209     DLTRACEIN(("this: %x", this));
       
   210     iLocallyOpenCount++;
       
   211     iData->StorageOpened();
       
   212     }
       
   213 
       
   214 // ---------------------------------------------------------------------------
       
   215 // 
       
   216 // ---------------------------------------------------------------------------
       
   217 //
       
   218 void CNcdDbStorageManager::CacheReadyL()
       
   219     {
       
   220     DLTRACEIN(("this: %x", this));
       
   221     iLocallyOpenCount--;
       
   222     iData->StorageClosedL();
       
   223 
       
   224     DLTRACEOUT((""));
       
   225     }
       
   226 
       
   227 // ---------------------------------------------------------------------------
       
   228 // 
       
   229 // ---------------------------------------------------------------------------
       
   230 //
       
   231 TInt CNcdDbStorageManager::CommitCachedItems()
       
   232     {
       
   233     DLTRACEIN(("this: %x", this));
       
   234     iForceOpen = EFalse;
       
   235 
       
   236     TInt err = iStorage->Commit();
       
   237 
       
   238     if( err == KErrNone )
       
   239         {
       
   240         iLocallyOpenCount = 0;
       
   241         }
       
   242     DLTRACEOUT(("err: %d", err));
       
   243     return err;
       
   244     }
       
   245 
       
   246 
       
   247 // ---------------------------------------------------------------------------
       
   248 // 
       
   249 // ---------------------------------------------------------------------------
       
   250 //
       
   251 void CNcdDbStorageManager::NotifyRollback()
       
   252     {
       
   253     iLocallyOpenCount--;
       
   254     iData->Rollback();
       
   255     }
       
   256 
       
   257 
       
   258 // ---------------------------------------------------------------------------
       
   259 // 
       
   260 // ---------------------------------------------------------------------------
       
   261 //
       
   262 void CNcdDbStorageManager::RollbackItems()
       
   263     {
       
   264     iLocallyOpenCount = 0;
       
   265     iForceOpen = EFalse;
       
   266 
       
   267     iStorage->Rollback();
       
   268 
       
   269     }
       
   270 
       
   271 
       
   272 // ---------------------------------------------------------------------------
       
   273 // 
       
   274 // ---------------------------------------------------------------------------
       
   275 //
       
   276 CNcdDbStorageManager::CNcdDbStorageManagerData::CNcdDbStorageManagerData( 
       
   277     CNcdDbStorageManager* aRoot ) :
       
   278     iRoot( aRoot ),
       
   279     iOpenStorages( 0 )
       
   280     {
       
   281     }
       
   282 
       
   283 // ---------------------------------------------------------------------------
       
   284 // 
       
   285 // ---------------------------------------------------------------------------
       
   286 //
       
   287 CNcdDbStorageManager::CNcdDbStorageManagerData::~CNcdDbStorageManagerData()
       
   288     {
       
   289     }
       
   290 
       
   291 
       
   292 // ---------------------------------------------------------------------------
       
   293 // 
       
   294 // ---------------------------------------------------------------------------
       
   295 //
       
   296 void CNcdDbStorageManager::CNcdDbStorageManagerData::StorageOpened()
       
   297     {
       
   298     DLTRACEIN(("this: %x, open storages: %d", this, iOpenStorages + 1 ));
       
   299     iOpenStorages++;
       
   300     }
       
   301 
       
   302 
       
   303 // ---------------------------------------------------------------------------
       
   304 // 
       
   305 // ---------------------------------------------------------------------------
       
   306 //
       
   307 void CNcdDbStorageManager::CNcdDbStorageManagerData::StorageClosedL()
       
   308     {
       
   309     DLTRACEIN(("OpenStorages: %d", iOpenStorages));
       
   310     if ( iOpenStorages != 0 ) 
       
   311         {
       
   312         iOpenStorages--;
       
   313         }
       
   314     else
       
   315         {
       
   316         DLTRACE(("All storages were already closed by tried to close one again"));
       
   317         }
       
   318         
       
   319     if( iOpenStorages == 0 )
       
   320         {
       
   321         DLTRACE(("Committing cached items"));
       
   322         TInt err = iRoot->CommitCachedItems();
       
   323         DLINFO(( "Commit error: %d", err ));
       
   324         User::LeaveIfError( err );
       
   325         }
       
   326 
       
   327     DLTRACEOUT((""));
       
   328     }
       
   329 
       
   330 
       
   331 // ---------------------------------------------------------------------------
       
   332 // 
       
   333 // ---------------------------------------------------------------------------
       
   334 //
       
   335 TInt CNcdDbStorageManager::CNcdDbStorageManagerData::OpenStorages()
       
   336     {
       
   337     DLTRACEIN(( "this: %x, open storages: %d", this, iOpenStorages ));
       
   338     return iOpenStorages;
       
   339     }
       
   340 
       
   341 // ---------------------------------------------------------------------------
       
   342 // 
       
   343 // ---------------------------------------------------------------------------
       
   344 //
       
   345 void CNcdDbStorageManager::CNcdDbStorageManagerData::Rollback()
       
   346     {
       
   347     if( iOpenStorages > 0 )
       
   348         {
       
   349         iRoot->RollbackItems();
       
   350         iOpenStorages = 0;
       
   351         }
       
   352     }
       
   353 
       
   354 
       
   355 // ---------------------------------------------------------------------------
       
   356 // UID getter
       
   357 // ---------------------------------------------------------------------------
       
   358 //
       
   359 const TDesC& CNcdDbStorageManager::Uid() const
       
   360     {
       
   361     return iStorage->Uid();
       
   362     }
       
   363 
       
   364