diff -r 000000000000 -r 61fad867f68e imservices/instantmessagingcache/imcacheclient/inc/cimcacheaccessor.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imservices/instantmessagingcache/imcacheclient/inc/cimcacheaccessor.h	Wed Nov 03 09:32:20 2010 +0530
@@ -0,0 +1,151 @@
+/*
+* Copyright (c) 2008 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:  class declaration for accessing the cache
+*
+*/
+
+
+
+#ifndef __CIMCACHEACCESSOR_H__
+#define __CIMCACHEACCESSOR_H__
+
+#include <e32base.h>
+#include "mimcacheaccessor.h"
+#include "cimcacheclient.h"
+
+class MIMCacheEventHandler;
+
+/**
+ * write right class declaration
+ */
+ 
+NONSHARABLE_CLASS( CIMCacheAccessor ): public CBase,
+								 public MIMCacheAccessor
+    {
+	public:
+		/**
+		* Two-phased constructor.
+		* @param aServiceId, service id to used
+		* @param aUserId, user id who is conversing
+		*/
+		static CIMCacheAccessor* NewL(TInt aServiceId,
+										const TDesC& aUserId );
+		/**
+		* virtual destructor.
+		*/
+    	virtual ~CIMCacheAccessor();
+
+		
+	private:
+	
+		/**
+		* ConstructL.
+		* @param aUserId, user id who is conversing
+		*/
+		
+    	void ConstructL( const TDesC& aUserId );
+    	
+    	/**
+		* default constructor.
+		* @param aServiceId, service id to used
+		*/
+		CIMCacheAccessor(TInt aServiceId);
+
+	
+	private: // from MIMCacheAccessor
+
+		/**
+    	* Register to observer instantmessagingcache data updates
+    	* @param aObserver the observer interface
+    	*/
+        void RegisterObserverL( MIMCacheEventHandler& aObserver );
+
+    	/**
+    	* Unregister a instantmessagingcache data update observer
+    	* @param aObserver the observer interface
+    	*/
+        void UnRegisterObserver( MIMCacheEventHandler& aObserver);
+        	
+       
+       	/**
+    	* to get the unread message count from server
+    	* @param aOwnUserId , logged in user id
+    	* @return number of unread msg count
+    	*/
+       TInt GetUnreadMessageCountL(const TDesC& aBuddyId );
+		
+		 /**
+    	* to get the all unread message count from server
+    	* @param , aOwnUserId logged in user id
+    	* @return number of all unread msg count
+    	*/
+        TInt GetAllUnreadMessageCountL();		
+			 						
+		/**
+         * check if already conversation opened
+         * @param aServiceId, serviceid to use
+         * @param aOwnUserId, own user id 
+         * @param aRecipientId, the selected user id with whom conversation is started
+         * @return ETrue if already exist else EFlase.
+         */
+        TBool IsConversationExistL( const TDesC& aBuddyId )  ;
+        
+        /**
+        * closes conversation and commit operation
+        * @param aServiceId service id.
+        * @param aOwnId own user id.
+        * @param aRecipientId recipient's user id.
+        */
+        void CloseConversationL( const TDesC& aBuddyId );
+        
+        
+        /**
+        * get the chat list corresponding to service
+        * @param aServiceId service id
+        * @return Array of chats
+        */
+        RArray<SIMCacheChatItem> GetChatListL( const TInt aServiceId  ); 
+   
+	private :
+		/**
+         * default constructor.
+         * @param aServiceId, service id to used
+         */
+        void InternalizeChatListL( RArray<SIMCacheChatItem>& aChatArray, TPtr8 aChatListBuffer, TBool& aMore );
+        	 
+    public : // new api
+    	
+       /**
+		* return the serviceid
+		*/
+    	TInt ServiceId() const ;	        
+		
+	private: // data
+
+		// owned , user id
+		HBufC* iUserId;
+		
+		// not owned , client
+		CIMCacheClient iClient;
+		
+		// owned, service id
+		TInt iServiceId;
+	
+    };
+
+#endif      //  __CIMCACHEUPDATER_H__
+
+
+//  END OF FILE
+