diff -r 000000000000 -r c53acadfccc6 metadataengine/server/inc/mdsrelationdef.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/inc/mdsrelationdef.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2009 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 to hold description about one relation
+*
+*/
+
+#ifndef __MDSRELATIONDEF_H__
+#define __MDSRELATIONDEF_H__
+
+#include <e32base.h>
+
+#include "mdsitemdef.h"
+
+
+class CMdCSerializationBuffer;
+
+
+/**
+ *  Metadata relationdef class
+ *
+ *  This class is responsible for holding information about one relation
+ *
+ */
+class CMdsRelationDef : public CMdsItemDef
+    {
+    friend class CMdsNamespaceDef;
+public:
+	/**
+	 * Create new relation object
+	 * @param aId id of relation
+	 * @param aName name of relation
+	 * @return pointer to new created relation
+	 */
+    static CMdsRelationDef* NewL( const TDesC& aName );
+
+	/**
+	 * Create new relation object
+	 * @param aId id of relation
+	 * @param aName name of relation
+	 * @return pointer to new created relation
+	 */
+    static CMdsRelationDef* NewLC( const TDesC& aName );
+
+    virtual ~CMdsRelationDef();
+    
+
+    TBool operator==( const CMdsRelationDef& aRelationDef ) const;
+
+	inline TBool operator!=( const CMdsRelationDef& aRelationDef ) const;
+
+	void StoreToDBL( const TDefId aNamespaceDefId );
+
+	/**
+     * Get required size of serialized buffer when this is serialized.
+     *
+     * @return required size of serialized buffer
+     */
+    TUint32 RequiredBufferSize();
+
+    /**
+     * Serialize own data to serialized buffer (correct position must be set 
+     * before calling) and return new position of serialized buffer.
+	 *
+     * @param aBuffer  serialized buffer.
+     */
+    TMdCOffset SerializeL(CMdCSerializationBuffer& aBuffer, TMdCOffset aFreeSpace);
+
+private:
+	/**
+	 * 2nd phase construction
+	 * @param aName name of event
+	 */
+    void ConstructL( const TDesC& aName );
+
+private: // data
+
+    };
+
+#include "mdsrelationdef.inl"
+
+#endif // __MDSRELATIONDEF_H__