author | hgs |
Fri, 23 Jul 2010 13:39:21 +0530 | |
changeset 54 | 085438c28042 |
parent 0 | b497e44ab2fc |
permissions | -rw-r--r-- |
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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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|
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#ifndef __NSMLDSDATAPROVIDERARRAY_H__ |
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#define __NSMLDSDATAPROVIDERARRAY_H__ |
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// INCLUDES |
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#include <e32base.h> |
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#include <stringpool.h> |
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#include <nsmldsconstants.h> |
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#include <nsmlconstants.h> |
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#include "nsmldshostconstants.h" |
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#include "nsmldshostitem.h" |
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#include "nsmldsitemmodificationset.h" |
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|
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// FORWARD DECLARATIONS |
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class CSmlDataProvider; |
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class CSmlDataStore; |
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class CNSmlDSAsyncRequestHandler; |
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class CNSmlAdapterLog; |
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class CSmlDataStoreFormat; |
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// CLASS DECLARATION |
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// ------------------------------------------------------------------------------------------------ |
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// Container for CSmlDataStore. |
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// |
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// @lib nsmldshostserver.lib |
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// ------------------------------------------------------------------------------------------------ |
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typedef RPointerArray<TSmlDbItemUid> RBatchItemUidArray; |
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struct TNSmlDSDataStoreElement |
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{ |
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public: |
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/** |
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* deletes iBatchItemUids and its objects. |
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*/ |
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void FreeBatchItemArray(); |
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/** |
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* is iDataStore opened. |
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* @return TBool. ETrue if iDataStore is opened, EFalse otherwise. |
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*/ |
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TBool IsOpen() const; |
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/** |
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* sets iDataStore as opened. |
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*/ |
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void SetOpened(); |
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/** |
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* The name of iDataStore. |
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* @return const TDesC&. The name of iDataStore |
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*/ |
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const TDesC& StoreName() const; |
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void setStoreFormat( CSmlDataStoreFormat* aDSFormat ); |
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private: |
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/** |
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* C++ default constructor. |
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*/ |
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TNSmlDSDataStoreElement( const HBufC* aStoreName ); |
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public: //Data |
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//This class doesn't free memory reserved for member variable pointers. |
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CNSmlDSAsyncRequestHandler* iDSAO; //async handler for the data store. |
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//Null if no asynch call outstanding |
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CSmlDataStore* iDataStore; //contained data store |
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RBatchItemUidArray* iBatchItemUids; //array of item uid when in batch mode. |
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CNSmlAdapterLog* iAdpLog; //sync relationship |
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TSmlDbItemUid iCreatedUid; //uid for CSmlDataStore::CreateItemL |
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TNSmlHostMode iHostMode; //data store mode |
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private: //Data |
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const HBufC* iStoreName; //Only temporary. Contains store name only when created but not yet opened. |
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CSmlDataStoreFormat* iDSFormat; //data store format. |
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private: |
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friend class RNSmlDSDataProviderArray; |
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}; |
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// ------------------------------------------------------------------------------------------------ |
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// Container for CSmlDataProvider. |
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// |
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// @lib nsmldshostserver.lib |
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// ------------------------------------------------------------------------------------------------ |
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typedef RPointerArray<TNSmlDSDataStoreElement> RDataStoreElementArray; |
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|
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struct TNSmlDSDataProviderElement |
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{ |
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//This class doesn't free memory reserved for member variable pointers. |
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CSmlDataProvider* iDataprovider; |
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RDataStoreElementArray* iDataStores; //created data stores for data provider. |
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}; |
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|
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// ------------------------------------------------------------------------------------------------ |
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// Array for created data providers and created and opened data stores. |
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// |
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// @lib nsmldshostserver.lib |
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// ------------------------------------------------------------------------------------------------ |
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class RNSmlDSDataProviderArray : protected RPointerArray<TNSmlDSDataProviderElement> |
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{ |
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public: //Constructor and destructor |
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|
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/** |
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* A C++ constructor of this class. |
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*/ |
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RNSmlDSDataProviderArray(); |
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|
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public: |
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|
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/** |
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* Destroys all the the elements and resets the array. |
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*/ |
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void ResetAndDestroy(); |
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|
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/** |
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* Finds and returns the dataprovider using data provider id. |
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* @param aId. Search key. |
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* @return CSmlDataProvider*. The object found or NULL if no match. |
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*/ |
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CSmlDataProvider* DataProvider( TSmlDataProviderId aId ); |
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|
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/** |
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* Finds and returns the dataprovider element using data provider id. |
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* @param aId. Search key. |
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* @return TNSmlDSDataProviderElement*. The object found or NULL if no match. |
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*/ |
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TNSmlDSDataProviderElement* DataProviderElement( TSmlDataProviderId aId ); |
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149 |
|
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/** |
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* Finds and returns the datastore using data provider id and store name. |
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* @param aId. Search key. data provider id |
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* @param aId. Search key. Store name. |
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* @return CSmlDataStore*. The object found or NULL if no match. |
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*/ |
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CSmlDataStore* DataStore( TSmlDataProviderId aId, const TDesC& aStoreName ); |
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|
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/** |
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* Finds and returns the datastore element from data provider element |
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* using data provider id and store name. |
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* @param aId. Search key. data provider id |
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* @param aId. Search key. Store name. |
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* @return TNSmlDSDataStoreElement*. The object found or NULL if no match. |
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*/ |
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static TNSmlDSDataStoreElement* DataStoreElement( const TNSmlDSDataProviderElement* aItem, |
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const TDesC& aStoreName ); |
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|
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/** |
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* Inserts data provider to the array. Leaves if fails. |
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* @param aDataprovider. Data provider to add. |
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* @return TInt. KErrNone if object is inserted. |
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* KErrAlreadyExists if object is already inserted. |
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*/ |
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TInt InsertL( CSmlDataProvider* aDataprovider ); |
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|
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/** |
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* Inserts created data store to data provider element. |
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* @param aDataproviderItem. object where to add. |
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* @param aDataStore. datastore to add. |
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* @param aDataStoreName. store name for aDataStore. |
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* @return TNSmlDSDataStoreElement*. Newly created data store element, that contains aDataStore. |
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*/ |
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TNSmlDSDataStoreElement* InsertL( TNSmlDSDataProviderElement* aDataproviderItem, |
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CSmlDataStore* aDataStore, HBufC* aDataStoreName ); |
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|
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/** |
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* Removes and frees the memory reserved to data store element. |
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* Doesn't free the returned object. Caller must take the ownership of that. |
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* @param aDataproviderItem. data provider element where to remove. |
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* @param aDataStoreItem. data store to remove. |
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* @return CNSmlDSAsyncRequestHandler*. Request handler for aDataStoreItem. |
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* NULL if no asynchronous request is outstanding. |
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*/ |
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CNSmlDSAsyncRequestHandler* Remove( TNSmlDSDataProviderElement* aDataproviderItem, |
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TNSmlDSDataStoreElement* aDataStoreItem ); |
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|
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protected: |
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|
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/** |
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* Destroys data store element. |
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* @param aDataStoreItem. data store element to destroy. After destruction points to NULL. |
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* @return CNSmlDSAsyncRequestHandler*. Request handler for aDataStoreItem. |
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* NULL if no asynchronous request is outstanding. |
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*/ |
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static CNSmlDSAsyncRequestHandler* Destroy( TNSmlDSDataStoreElement*& aDataStoreItem ); |
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}; |
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#endif //__NSMLDSDATAPROVIDERARRAY_H__ |
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parents:
diff
changeset
|
210 |
// End of File |