diff -r 000000000000 -r 2e3d3ce01487 contextframework/cfw/inc/cfservices/CFContextObjectImpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contextframework/cfw/inc/cfservices/CFContextObjectImpl.h	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,225 @@
+/*
+* Copyright (c) 2002-2007 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:  CCFContextObjectImpl class declaration.
+*
+*/
+
+
+#ifndef C_CFCONTEXTOBJECTIMPL_H
+#define C_CFCONTEXTOBJECTIMPL_H
+
+#include "cfcontextobject.h"
+
+/**
+* Context object implementation.
+*
+* @lib CFServices.lib
+* @since S60 5.0
+*/
+NONSHARABLE_CLASS( CCFContextObjectImpl ): public CCFContextObject
+    {
+    public:
+    
+        /**
+        * Two phased construction.
+        * 
+        * @since S60 5.0
+        * @param None.
+        * @return None.
+        */    
+        IMPORT_C static CCFContextObjectImpl* NewL();
+        IMPORT_C static CCFContextObjectImpl* NewLC();
+        
+        /**
+        * Two phased construction.
+        * 
+        * @since S60 5.0
+        * @param aSource Initial source of the context.
+        * @param aType Initial type of the context.
+        * @param aValue Initial value of the context.
+        * @return None.
+        */    
+        IMPORT_C static CCFContextObjectImpl* NewL( const TDesC& aSource,
+            const TDesC& aType,
+            const TDesC& aValue );
+        IMPORT_C static CCFContextObjectImpl* NewLC( const TDesC& aSource,
+            const TDesC& aType,
+            const TDesC& aValue );
+        
+        // Destructior
+        ~CCFContextObjectImpl();
+        
+    public: // From base classes
+    
+        // @see CCFContextObject
+        void SetTypeL( const TDesC& aType );
+            
+        // @see CCFContextObject
+        const TDesC& Type() const;
+            
+        // @see CCFContextObject
+        void SetValueL( const TDesC& aValue );
+            
+        // @see CCFContextObject
+        const TDesC& Value() const;
+            
+        // @see CCFContextObject
+        void SetSourceL( const TDesC& aSource );
+            
+        // @see CCFContextObject
+        const TDesC& Source() const;
+            
+        // @see CCFContextObject
+        void SetConfidence( const TUint8& aConfidence );
+            
+        // @see CCFContextObject
+        TUint8 Confidence() const;
+            
+        // @see CCFContextObject
+        void SetTimestampToHomeTime();
+            
+        // @see CCFContextObject
+        void SetTimestamp( const TTime& aTimestamp );
+            
+        // @see CCFContextObject
+        void SetTimestamp( const TInt64& aTimestamp );
+            
+        // @see CCFContextObject
+        const TTime& Timestamp() const;
+        
+        // @see CCFContextObject
+        void CopyL( const CCFContextObject& aContext );
+            
+    public: // New methods
+
+        /**
+        * Internalizes object.
+        * 
+        * @since S60 5.0
+        * @param aStream Read stream.
+        * @return None.
+        */    
+        IMPORT_C void InternalizeL( RReadStream& aStream );
+        
+        /**
+        * Externalizes object.
+        *
+        * @since S60 5.0
+        * @param aStream Write stream.
+        * @return None.
+        */    
+        IMPORT_C void ExternalizeL( RWriteStream& aStream );
+
+        /**
+        * Returns size of the object in bytes.
+        *
+        * @since S60 5.0
+        * @param None.
+        * @return TInt.
+        */    
+        IMPORT_C TInt Size() const;
+
+        /**
+        * Compares value member variables of context objects.
+        * Compares this context objects value member to the arguments value
+        * member.
+        *
+        * @since S60 5.0
+        * @param aContext The context object to be compared with this one.
+        * @return Positive if the value member of this is greater than
+        *  aContext's. Negative if the value member of this is less than
+        *  aContext's. Zero if both value members have the same length
+        *  and the their contents are the same.
+        */
+        IMPORT_C TInt CompareValue( const CCFContextObject& aContext ) const;
+
+        /**
+        * Compares two context objects based on their type.
+        *
+        * @since S60 5.0
+        * @param aFirst A context object to be compared with aSecond.
+        * @param aSecond A context object to be compared with aFirst.
+        * @return Positive if aFirst is greater than aSecond. Negative if aFirst
+        *  is less than aSecond. Zero if both have the same length and
+        *  the their contents are the same.
+        */
+        IMPORT_C static TInt CompareByType(	const CCFContextObject& aFirst,
+            const CCFContextObject& aSecond );
+
+        /**
+        * Compares two context objects based on their type and source.
+        *
+        * @since S60 5.0
+        * @param aFirst A context object to be compared with aSecond.
+        * @param aSecond A context object to be compared with aFirst.
+        * @return Positive if aFirst is greater than aSecond. Negative if aFirst
+        *  is less than aSecond. Zero if both have the same length and
+        *  the their contents are the same.
+        */
+        IMPORT_C static TInt CompareByTypeAndSource(
+            const CCFContextObject& aFirst,
+            const CCFContextObject& aSecond );
+
+        /**
+        * Compares two context objects based on their time.
+        *
+        * @since S60 5.0
+        * @param aFirst A context object to be compared with aSecond.
+        * @param aSecond A context object to be compared with aFirst.
+        * @return Positive if aFirst is greater than aSecond. Negative if aFirst
+        *  is less than aSecond. Zero if both have the same length and
+        *  the their contents are the same.
+        */
+        IMPORT_C static TInt CompareByTimeDescending(
+            const CCFContextObject& aFirst,
+            const CCFContextObject& aSecond );
+
+        /**
+        * Checks whether the two context objects are the same.
+        * Compares all member variables of the two context objects and if all
+        * of them are equal, then the objects are the same.
+        *
+        * @param aFirst A context object to be compared with aSecond.
+        * @param aSecond A context object to be compared with aFirst.
+        * @return ETrue, if the objects are found to be equal.
+        */
+        IMPORT_C static TBool IsSame( const CCFContextObject& aFirst,
+            const CCFContextObject& aSecond );
+            
+    private:
+    
+        CCFContextObjectImpl();
+        void ConstructL( const TDesC& aSource,
+            const TDesC& aType,
+            const TDesC& aValue );
+        
+    private: // Data
+    
+        /** Source of the context */
+        HBufC* iSource;
+
+        /** Type of the context */
+        HBufC* iType;
+
+        /** iValue of the context */
+        HBufC* iValue;
+
+        /** Time stamp */
+        TTime iTimestamp;
+
+        /** Confidence of the context */
+        TUint iConfidence;
+    };
+
+#endif