diff -r 000000000000 -r 4e1aa6a622a0 sensorservices/tiltcompensationssy/inc/tctransaction.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensorservices/tiltcompensationssy/inc/tctransaction.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,78 @@
+/*
+* Copyright (c) 2007 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:  TTCTransaction class declaration.
+*
+*/
+
+
+
+#ifndef TCTRANSACTION_H
+#define TCTRANSACTION_H
+
+// INCLUDES
+#include <e32std.h>
+
+// DATA TYPES
+
+/**
+* Transaction IDs.
+*/
+enum TTCTransactionId
+    {
+    ETCTransactionIdNull,
+    ETCTransactionIdOpenChannel,
+    ETCTransactionIdCloseChannel,
+    ETCTransactionIdStartChannelData,
+    ETCTransactionIdStopChannelData,
+    ETCTransactionIdFlushBuffer,
+    TTCTransactionIdLast
+    };
+    
+// CLASS DECLARATION
+
+/**
+*  Transaction base class.
+*
+*  @lib None
+*  @since S60 5.0
+*/
+NONSHARABLE_CLASS( TTCTransaction )
+    {
+    public:
+    
+        /**
+        * Return transaction ID.
+        *
+        * @return TTCTransactionId
+        */
+        TTCTransactionId Id() const;
+        
+    protected:
+    
+        /**
+        * Default C++ constructor.
+        * 
+        * @param aId Transaction ID.
+        */
+        TTCTransaction( TTCTransactionId aId );
+        
+    private: // Data
+    
+        /** Transaction ID */
+        TTCTransactionId iId;
+    };
+
+#endif // TCTRANSACTION_H
+
+// End of File