diff -r 000000000000 -r 14df0fbfcc4e sapi_sysinfo/inc/sysinfocallbackmap.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sapi_sysinfo/inc/sysinfocallbackmap.h	Mon Mar 30 12:51:10 2009 +0300
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  Map of callback and transaction id.
+*
+*/
+
+
+#ifndef __SYSINFOKCALLBACKMAP_H__
+#define __SYSINFOKCALLBACKMAP_H__
+
+
+//FORWARD DECLARATION
+class MLiwNotifyCallback;
+
+/**
+* CSysInfoCallbackMap
+* This class keeps a map of the transaction id allocated to an asynchronous 
+* request with the callback of the request.
+*/
+
+// CLASS DECLARATION
+NONSHARABLE_CLASS(CSysInfoCallbackMap): public CBase
+    {
+    public:// Constructors
+
+    /**
+    * CSysInfoCallbackMap
+    * Constructor.
+    *
+    * @param aTransactionId The transaction id alloted to asynchronous request.
+    * @param aCallback The callback associated with the asynchronous request.
+    */
+    inline CSysInfoCallbackMap( TInt32 aTransactionId, 
+                                    MLiwNotifyCallback* aCallback );
+    
+    /**
+    * ~CSysInfoCallbackMap
+    * Destructor.
+    */
+    inline ~CSysInfoCallbackMap() {}
+
+    public:
+
+    /**
+    * Set
+    * Sets the transaction id and callback.
+    *
+    * @param aTransactionId The transaction id alloted to asynchronous request.
+    * @param aCallback The callback associated with the asynchronous request.
+    */
+    inline void Set( TInt32 aTransactionId, MLiwNotifyCallback* aCallback );
+
+    /**
+    * Get
+    * Gets the transaction id and callback.
+    *
+    * @param aTransactionId The transaction id alloted to asynchronous request.
+    * @param aCallback The reference to the callback associated with the asynchronous request.
+    * @return True if aCallback is set else False.
+    */
+    inline TBool Get( TInt32 aTransactionId, MLiwNotifyCallback*& aCallback) const;
+
+    private:// Data
+
+    /**
+    * iTransactionId
+    * The transaction id of the async call.
+    */
+    TInt32 iTransactionId;
+
+    /**
+    * iCallback
+    * The handle to MLiwNotifyCallback.
+    */
+    MLiwNotifyCallback* iCallback;
+
+    };
+
+#include "sysinfocallbackmap.inl"
+
+#endif // __SYSINFOKCALLBACKMAP_H__