author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:04:06 +0300 | |
branch | RCL_3 |
changeset 61 | b183ec05bd8c |
parent 0 | b497e44ab2fc |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: LUID buffering |
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* |
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*/ |
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|
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18 |
|
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// INCLUDE FILES |
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#include <nsmldebug.h> |
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#include "nsmldsluidbuffer.h" |
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#include "nsmlcliagconstants.h" |
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#include "nsmldshostclient.h" |
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#include "nsmldscontent.h" |
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#include "NsmlDSContentItem.h" |
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|
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// ============================ MEMBER FUNCTIONS =============================== |
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|
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// ----------------------------------------------------------------------------- |
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// CNSmlDSLUIDBuffer::CNSmlDSLUIDBuffer |
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// C++ constructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CNSmlDSLUIDBuffer::CNSmlDSLUIDBuffer( |
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CNSmlDSHostClient& aHostClient, |
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CNSmlDSContentItem& aContentItem ) : iHostClient( aHostClient ), |
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iContentItem( aContentItem ), |
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iWrittenItems( 0 ) |
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{ |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CNSmlDSUIDBuffer::~CNSmlDSUIDBuffer |
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// Destructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CNSmlDSLUIDBuffer::~CNSmlDSLUIDBuffer() |
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{ |
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iModificationSet.Close(); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CNSmlDSLUIDBuffer::NextUIDL |
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// Gets the first UID and its modification type from the buffer. The aCmdName |
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// parameter is determined by the modification type. |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CNSmlDSLUIDBuffer::NextUIDL( TSmlDbItemUid& aLocalUID, TDes8& aCmdName ) |
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{ |
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TInt ret( KErrNone ); |
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|
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switch ( iCurrState ) |
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{ |
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case EModifications: |
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if ( iModificationSet.ItemCount() > 0 ) |
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{ |
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aLocalUID = iModificationSet.ItemAt( 0 ).ItemId(); |
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68 |
|
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switch ( iModificationSet.ItemAt( 0 ).ModificationType() ) |
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70 |
{ |
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case TNSmlDbItemModification::ENSmlDbItemAdd: |
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aCmdName = KNSmlAgentAdd; |
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break; |
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74 |
|
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case TNSmlDbItemModification::ENSmlDbItemModify: |
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aCmdName = KNSmlAgentReplace; |
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break; |
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78 |
|
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case TNSmlDbItemModification::ENSmlDbItemDelete: |
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aCmdName = KNSmlAgentDelete; |
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break; |
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82 |
|
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case TNSmlDbItemModification::ENSmlDbItemMove: |
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aCmdName = KNSmlAgentMove; |
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85 |
break; |
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86 |
|
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case TNSmlDbItemModification::ENSmlDbItemSoftDelete: |
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aCmdName = KNSmlAgentSoftDelete; |
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89 |
break; |
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90 |
|
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91 |
default: |
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User::Leave( KErrGeneral ); |
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93 |
} |
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94 |
} |
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95 |
else |
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96 |
{ |
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iModificationSet.Reset(); |
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iCurrState = EEnd; |
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ret = KErrEof; |
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100 |
} |
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101 |
break; |
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102 |
|
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103 |
case EEnd: |
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104 |
return KErrEof; |
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105 |
|
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default: |
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User::Leave( KErrGeneral ); |
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} |
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return ret; |
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} |
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// ----------------------------------------------------------------------------- |
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// CNSmlDSLUIDBuffer::CurrentUID |
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// Returns the first UID in the buffer. |
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// ----------------------------------------------------------------------------- |
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// |
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void CNSmlDSLUIDBuffer::CurrentUID( TSmlDbItemUid& aLocalUID ) const |
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{ |
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if ( iModificationSet.ItemCount() > 0 ) |
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{ |
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aLocalUID = iModificationSet.ItemAt( 0 ).ItemId(); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CNSmlDSLUIDBuffer::ClientItemCount |
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// Returns the total number of UIDs (both those still in the buffer and those |
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// already written). |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CNSmlDSLUIDBuffer::ClientItemCount() const |
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{ |
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return iModificationSet.ItemCount() + iWrittenItems; |
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} |
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// ----------------------------------------------------------------------------- |
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// CNSmlDSLUIDBuffer::SetCurrentItemWritten |
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// Removes the current UID from the buffer. |
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// ----------------------------------------------------------------------------- |
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// |
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void CNSmlDSLUIDBuffer::SetCurrentItemWritten() |
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{ |
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iModificationSet.RemoveItem( 0 ); |
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++iWrittenItems; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CNSmlDSLUIDBuffer::FetchModificationsL |
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// Gets UIDs of all modified items from datastore to the buffer asynchronously. |
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// ----------------------------------------------------------------------------- |
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// |
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void CNSmlDSLUIDBuffer::FetchModificationsL( TInt& aResultCode ) |
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{ |
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DBG_FILE(_S8("CNSmlDSLUIDBuffer::FetchModificationsL begins")); |
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|
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iModificationSet.Reset(); |
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|
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iHostClient.AllItemsL( iModificationSet, iContentItem.iImplementationUID, |
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*iContentItem.iStoreName, aResultCode ); |
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|
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iCurrState = EModifications; |
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|
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DBG_FILE(_S8("CNSmlDSLUIDBuffer::FetchModificationsL ends")); |
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} |
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// End of File |