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/*
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* Copyright (c) 2008 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: message change observer
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*
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*/
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#ifndef __MIMCACHECLIENT_H
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#define __MIMCACHECLIENT_H
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#include <e32std.h>
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#include <imcachedefs.h>
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/**
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* An interface through which client gets information
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* about available data updates.
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*
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* @since
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*/
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class MIMCacheClient
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{
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public:
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/**
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* Registeres the cache update observer to server
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* @param aStatus status message to regisetr
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* @param aRight, operations
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*/
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virtual void RegisterObserverToServerL( TRequestStatus& aStatus, EIMCacheOperations aRight ) = 0;
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/**
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* unRegisteres the cache update observer to server
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* @param aStatus status message to regisetr
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* @param aRight, operations
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*/
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virtual void UnRegisterObserverToServerL( TRequestStatus& aStatus, EIMCacheOperations aRight ) = 0 ;
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/**
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* Gets called when data update is available.
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* Client can then decide wether to use the old one
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* @param aRight, operations
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* @param abuuferptr
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*/
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virtual TPtr8 GetBufferedDataL(EIMCacheOperations aOperationType ) = 0 ;
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/**
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* cancels any outstanding requests pending from the server
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* @param aStatus status message to regisetr
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* @param aRight,right is operations
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*/
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virtual void CancelRequestL( TRequestStatus& aStatus, EIMCacheOperations aRight) = 0;
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protected:
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/**
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* Destructor
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*/
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virtual ~MIMCacheClient() {};
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};
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#endif //__MIMCACHECLIENT_H
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