--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/storage/src/ncddbstoragemanager.cpp Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,364 @@
+/*
+* 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:
+*
+*/
+
+
+#include "ncddbstoragemanager.h"
+
+#include "ncdstoragebase.h"
+#include "ncdstoragepanics.pan"
+
+#include "catalogsdebug.h"
+
+#include <f32file.h>
+#include <bautils.h>
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CNcdDbStorageManager* CNcdDbStorageManager::NewLC(
+ RFs& aFs,
+ const TDesC& aStorageUid,
+ const TDesC& aStorageFolder,
+ const TDesC& aStorageName )
+ {
+ CNcdDbStorageManager* manager = new (ELeave) CNcdDbStorageManager;
+ CleanupStack::PushL( manager );
+ manager->ConstructL( aFs, aStorageUid, aStorageFolder, aStorageName );
+ return manager;
+ }
+
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CNcdDbStorageManager::~CNcdDbStorageManager()
+ {
+ DLTRACEIN(("this-ptr: %X", this));
+ delete iStorage;
+ delete iData;
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CNcdDbStorageManager::CNcdDbStorageManager() :
+ iLocallyOpenCount( 0 ),
+ iForceOpen( EFalse )
+ {
+ DLTRACEIN(( "this-ptr: %X", this ));
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::ConstructL(
+ RFs& aFs,
+ const TDesC& aStorageUid,
+ const TDesC& aStorageFolder, const TDesC& aStorageName )
+ {
+ DLTRACEIN((""));
+ iStorage = CNcdStorageBase::NewL( aFs, aStorageUid, aStorageFolder,
+ aStorageName );
+
+ DLTRACE(("CNcdStorageBase created"));
+ iStorage->SetListener( this );
+
+ User::LeaveIfError( iStorage->Open() );
+
+ // Create data object
+ iData = new (ELeave) CNcdDbStorageManagerData( this );
+
+ DLTRACEOUT( ("") );
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+MNcdStorageItem* CNcdDbStorageManager::StorageItemL( const TDesC& aUid,
+ TInt aType )
+ {
+ return (MNcdStorageItem*)iStorage->StorageItemL( aUid, aType );
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::StorageItemsL(
+ RPointerArray<MNcdStorageItem>& aItems )
+ {
+ iStorage->StorageItemsL( aItems );
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::RemoveItemsL(
+ const RArray<RNcdDatabaseItems>& aDoNotRemoveItems )
+ {
+ iStorage->RemoveItemsL( aDoNotRemoveItems );
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::Begin()
+ {
+ iForceOpen = ETrue;
+ iData->StorageOpened();
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::CommitL()
+ {
+ DLTRACEIN((""));
+ iForceOpen = EFalse;
+ iData->StorageClosedL();
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::Rollback()
+ {
+ iForceOpen = EFalse;
+ iData->Rollback();
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TBool CNcdDbStorageManager::ItemExistsInStorageL(
+ MNcdStorageItem& aStorageItem )
+ {
+ return ItemExistsInStorageL( aStorageItem.Uid(), aStorageItem.Type() );
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TBool CNcdDbStorageManager::ItemExistsInStorageL( const TDesC& aUid,
+ TInt aType )
+ {
+ return iStorage->ItemExistsInStorageL( aUid, aType );
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+MNcdDatabaseStorage::TNcdDatabaseSize CNcdDbStorageManager::Size() const
+ {
+ return iStorage->Size();
+ }
+
+
+// ---------------------------------------------------------------------------
+// Compact
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::Compact()
+ {
+ DLTRACEIN((""));
+ CommitCachedItems();
+ iStorage->Compact();
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::CacheOpened()
+ {
+ DLTRACEIN(("this: %x", this));
+ iLocallyOpenCount++;
+ iData->StorageOpened();
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::CacheReadyL()
+ {
+ DLTRACEIN(("this: %x", this));
+ iLocallyOpenCount--;
+ iData->StorageClosedL();
+
+ DLTRACEOUT((""));
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TInt CNcdDbStorageManager::CommitCachedItems()
+ {
+ DLTRACEIN(("this: %x", this));
+ iForceOpen = EFalse;
+
+ TInt err = iStorage->Commit();
+
+ if( err == KErrNone )
+ {
+ iLocallyOpenCount = 0;
+ }
+ DLTRACEOUT(("err: %d", err));
+ return err;
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::NotifyRollback()
+ {
+ iLocallyOpenCount--;
+ iData->Rollback();
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::RollbackItems()
+ {
+ iLocallyOpenCount = 0;
+ iForceOpen = EFalse;
+
+ iStorage->Rollback();
+
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CNcdDbStorageManager::CNcdDbStorageManagerData::CNcdDbStorageManagerData(
+ CNcdDbStorageManager* aRoot ) :
+ iRoot( aRoot ),
+ iOpenStorages( 0 )
+ {
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+CNcdDbStorageManager::CNcdDbStorageManagerData::~CNcdDbStorageManagerData()
+ {
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::CNcdDbStorageManagerData::StorageOpened()
+ {
+ DLTRACEIN(("this: %x, open storages: %d", this, iOpenStorages + 1 ));
+ iOpenStorages++;
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::CNcdDbStorageManagerData::StorageClosedL()
+ {
+ DLTRACEIN(("OpenStorages: %d", iOpenStorages));
+ if ( iOpenStorages != 0 )
+ {
+ iOpenStorages--;
+ }
+ else
+ {
+ DLTRACE(("All storages were already closed by tried to close one again"));
+ }
+
+ if( iOpenStorages == 0 )
+ {
+ DLTRACE(("Committing cached items"));
+ TInt err = iRoot->CommitCachedItems();
+ DLINFO(( "Commit error: %d", err ));
+ User::LeaveIfError( err );
+ }
+
+ DLTRACEOUT((""));
+ }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TInt CNcdDbStorageManager::CNcdDbStorageManagerData::OpenStorages()
+ {
+ DLTRACEIN(( "this: %x, open storages: %d", this, iOpenStorages ));
+ return iOpenStorages;
+ }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CNcdDbStorageManager::CNcdDbStorageManagerData::Rollback()
+ {
+ if( iOpenStorages > 0 )
+ {
+ iRoot->RollbackItems();
+ iOpenStorages = 0;
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// UID getter
+// ---------------------------------------------------------------------------
+//
+const TDesC& CNcdDbStorageManager::Uid() const
+ {
+ return iStorage->Uid();
+ }
+
+