syncmlfw/ds/hostserver/dshostserverbase/src/NsmldschangedItemsFetcher.cpp
author hgs
Fri, 23 Jul 2010 13:39:21 +0530
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permissions -rw-r--r--
201029
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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:  array for storing dataproviders and datastores.
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*
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*/
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// INCLUDE FILES
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#include <s32mem.h>
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#include <nsmldebug.h>
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#include "nsmldshostconstants.h"
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#include "Nsmldsasyncrequesthandler.h"
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#include "Nsmldsdataproviderarray.h"
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#ifdef __HOST_SERVER_MTEST__
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#include "../../stif/DSHostServerTest/inc/fakedataprovider.h"
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#else
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#include <SmlDataProvider.h>
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#endif
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// CONSTANTS
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_LIT( KNSmlPanicCategory, " Host Server Session\\Changed items fetcher " );
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// ======================================= MEMBER FUNCTIONS =======================================
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// ------------------------------------------------------------------------------------------------
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// CNSmlDSChangedItemsFetcher::NewLC
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// ------------------------------------------------------------------------------------------------
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CNSmlDSChangedItemsFetcher* CNSmlDSChangedItemsFetcher::NewLC( CNSmlDSHostSession* aSession, 
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        TNSmlDSDataStoreElement* aDSItem, 
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        const RMessage2& aMessage,
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        RequestFinishedFunction aReqFinishedFunc )
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	{
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	CNSmlDSChangedItemsFetcher* self = new ( ELeave ) CNSmlDSChangedItemsFetcher(
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		aSession, aDSItem, aMessage, aReqFinishedFunc );
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	CleanupStack::PushL( self );
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	self->ConstructL();
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	return self;
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	}
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// ------------------------------------------------------------------------------------------------
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// CNSmlDSChangedItemsFetcher::~CNSmlDSChangedItemsFetcher
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// ------------------------------------------------------------------------------------------------
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CNSmlDSChangedItemsFetcher::~CNSmlDSChangedItemsFetcher()
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	{
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	if (iChangedItems)
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		{		
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		iChangedItems->Close();
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		delete iChangedItems;
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		}
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	}
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// ------------------------------------------------------------------------------------------------
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// CNSmlDSChangedItemsFetcher::FetchAllChangedItemsL
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// ------------------------------------------------------------------------------------------------
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void CNSmlDSChangedItemsFetcher::FetchAllChangedItemsL()
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	{
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	AddToSchedulerL();
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    SetActive();
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    TRequestStatus* status = &iStatus;
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    User::RequestComplete( status, KErrNone );
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	}
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// ------------------------------------------------------------------------------------------------
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// CNSmlDSChangedItemsFetcher::CNSmlDSChangedItemsFetcher
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// ------------------------------------------------------------------------------------------------      
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CNSmlDSChangedItemsFetcher::CNSmlDSChangedItemsFetcher( CNSmlDSHostSession* aSession, 
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        			TNSmlDSDataStoreElement* aDSItem, 
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        			const RMessage2& aMessage,
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        			RequestFinishedFunction aReqFinishedFunc ) :
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	CNSmlDSAsyncRequestHandler( EPriorityLow, aSession, aDSItem, aMessage ),  
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	iChangedItems( NULL )
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	{
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	iNextModsToFetch = TNSmlDbItemModification::ENSmlDbItemAdd;
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	iReqFinishedFunc = aReqFinishedFunc;
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	ASSERT( iReqFinishedFunc != NULL );
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	ASSERT( iDSItem != NULL );
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    }
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// ------------------------------------------------------------------------------------------------
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// CNSmlDSChangedItemsFetcher::ConstructL
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// ------------------------------------------------------------------------------------------------
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void CNSmlDSChangedItemsFetcher::ConstructL()
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	{
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	iChangedItems = new ( ELeave ) RNSmlDbItemModificationSet();
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	}	
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// ------------------------------------------------------------------------------------------------
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// CNSmlDSChangedItemsFetcher::DoCancel
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// No need to do anything. Here to prevent base class DoCancel from getting called.
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// ------------------------------------------------------------------------------------------------
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void CNSmlDSChangedItemsFetcher::DoCancel()
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	{
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	}
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// ------------------------------------------------------------------------------------------------
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// CNSmlDSChangedItemsFetcher::RunL
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// ------------------------------------------------------------------------------------------------
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void CNSmlDSChangedItemsFetcher::RunL()
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	{
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	CSmlDataStore* ds = iDSItem->iDataStore;
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   115
	TBool fetchFinished( EFalse );
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   116
	TNSmlDbItemModification::TNSmlDbItemModificationType 
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   117
		toNextModsToFetch( TNSmlDbItemModification::ENSmlDbItemAdd );
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   118
	const MSmlDataItemUidSet* dius = NULL;
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   119
	
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	//Order of items must be preserved for hierarchy sync.
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   121
	//1.Add, 2.Replace, 3.Move, 4.SoftDelete, 5.Delete.
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   122
	switch( iNextModsToFetch )
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   123
		{
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		case TNSmlDbItemModification::ENSmlDbItemAdd:
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   125
			{		
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   126
			dius = &ds->AddedItems();
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			toNextModsToFetch = TNSmlDbItemModification::ENSmlDbItemModify;
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			break;
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   129
			}
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		case TNSmlDbItemModification::ENSmlDbItemDelete:
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			{
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			dius = &ds->DeletedItems();
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			fetchFinished = ETrue;
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   134
			break;
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   135
			}
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   136
		case TNSmlDbItemModification::ENSmlDbItemSoftDelete:
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   137
			{
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   138
			dius = &ds->SoftDeletedItems();
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			toNextModsToFetch = TNSmlDbItemModification::ENSmlDbItemDelete;
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   140
			break;
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   141
			}
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   142
		case TNSmlDbItemModification::ENSmlDbItemMove:
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   143
			{
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   144
			dius = &ds->MovedItems();
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   145
			toNextModsToFetch = TNSmlDbItemModification::ENSmlDbItemSoftDelete;
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   146
			break;
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   147
			}
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   148
		case TNSmlDbItemModification::ENSmlDbItemModify:
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   149
			{
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   150
			dius = &ds->ModifiedItems();
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   151
			toNextModsToFetch = TNSmlDbItemModification::ENSmlDbItemMove;
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   152
			break;
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   153
			}
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   154
		default:
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   155
			User::Panic( KNSmlPanicCategory, KErrUnknown );
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   156
		}
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parents:
diff changeset
   157
		
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   158
	TInt status = KErrNone;	
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parents:
diff changeset
   159
	
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   160
	if ( dius )
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   161
		{
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   162
		iChangedItems->AddGroupL( *dius, iNextModsToFetch );
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parents:
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   163
		}
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parents:
diff changeset
   164
	
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   165
	if ( fetchFinished )
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parents:
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   166
		{
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   167
		TRAP( status, ( *iSession.*iReqFinishedFunc )( this ) );
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parents:
diff changeset
   168
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   169
		iMessage.Complete( status );
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   170
		delete this;
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diff changeset
   171
		}
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parents:
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   172
	else
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parents:
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   173
		{
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   174
		iNextModsToFetch = toNextModsToFetch;
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   175
		SetActive();
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parents:
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   176
		TRequestStatus* rstatus = &iStatus;
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   177
    	User::RequestComplete( rstatus, KErrNone );
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   178
		}
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parents:
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   179
	}
54
hgs
parents: 0
diff changeset
   180
hgs
parents: 0
diff changeset
   181
// ----------------------------------------------------------------------------
hgs
parents: 0
diff changeset
   182
// CNSmlDSChangedItemsFetcher::RunError
hgs
parents: 0
diff changeset
   183
// ----------------------------------------------------------------------------
hgs
parents: 0
diff changeset
   184
TInt CNSmlDSChangedItemsFetcher::RunError ( TInt aError )
hgs
parents: 0
diff changeset
   185
{
hgs
parents: 0
diff changeset
   186
    return KErrNone;
hgs
parents: 0
diff changeset
   187
}
0
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parents:
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   188
// End of File