--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mds_plat/metadata_engine_api/inc/mdeevent.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,174 @@
+/*
+* 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:  Representation of single event
+*
+*/
+
+
+#ifndef __MDEEVENT_H__
+#define __MDEEVENT_H__
+
+
+#include <mdeinstanceitem.h>
+
+class CMdEEventDef;
+class CMdCSerializationBuffer;
+class CMdENamespaceDef;
+
+/**
+ * Event.
+ */
+NONSHARABLE_CLASS(CMdEEvent) : public CMdEInstanceItem
+	{
+public:
+	
+	/**
+	 * Create new event from serialized buffer
+	 *
+	 * @param aBuffer serialized relation
+	 * @return new event
+	 */
+	static CMdEEvent* NewL(CMdESession* aSession, CMdCSerializationBuffer& aBuffer, CMdENamespaceDef& aNamespaceDef );
+
+	/**
+	 * Create new event from serialized buffer and leaves it on stack
+	 *
+	 * @param aBuffer serialized relation
+	 * @return new event
+	 */
+	static CMdEEvent* NewLC(CMdESession* aSession, CMdCSerializationBuffer& aBuffer, CMdENamespaceDef& aNamespaceDef );
+
+	/**
+	 * Create new event from serialized buffer
+	 *
+	 * @param aDef       Definition of the new event.
+	 * @param aObjectId  Identifier of the object that the new event is related to.
+	 * @param aTime      Time when the new event occurred.
+	 * @param aSource       Source of the new event. Ownership of the pointed object remains on caller.
+	 * @param aParticipant  Participant of the new event. Ownership of the pointed object remains on caller.
+	 * @return new event
+	 */
+	static CMdEEvent* NewL(CMdEEventDef& aDef, TItemId aObjectId, TTime aTime,
+			const TDesC* aSource, const TDesC* aParticipant);
+
+	/**
+	 * Create new event from serialized buffer and leaves it on stack
+	 *
+	 * @param aDef       Definition of the new event.
+	 * @param aObjectId  Identifier of the object that the new event is related to.
+	 * @param aTime      Time when the new event occurred.
+	 * @param aSource       Source of the new event. Ownership of the pointed object remains on caller.
+	 * @param aParticipant  Participant of the new event. Ownership of the pointed object remains on caller.
+	 * @return new event
+	 */
+	static CMdEEvent* NewLC(CMdEEventDef& aDef, TItemId aObjectId, TTime aTime,
+			const TDesC* aSource, const TDesC* aParticipant );
+
+	/**
+	 * Destructor.
+	 */
+	virtual ~CMdEEvent();
+
+
+	/* Methods. */
+
+	/**
+	 * Returns the definition of the event.
+	 *
+	 * @return  Event definition.
+	 */
+	IMPORT_C CMdEEventDef& Def() const;
+
+	/**
+	 * Returns the identifier of the object that the event is related to.
+	 *
+	 * @return  Object identifier.
+	 */
+	IMPORT_C TItemId ObjectId() const;
+
+	/**
+	 * Returns the time when the event occurred.
+	 *
+	 * @return  Time.
+	 */
+	IMPORT_C TTime Time() const;
+
+	/**
+	 * Returns the source of the event.
+	 *
+	 * @return  Source.
+	 */
+	IMPORT_C const TDesC* Source() const;
+
+	/**
+	 * Returns the participant of the event.
+	 *
+	 * @return  Participant.
+	 */
+	IMPORT_C const TDesC* Participant() const;
+
+	/**
+	 * Calculates required size for buffer to serialize event
+	 *
+	 * @return necessary buffer size
+	 */
+	TUint32 RequiredBufferSize() const;
+
+	/**
+	 * Serialize event
+	 *
+	 * @param aBuffer buffer where serialized event should go
+	 */
+	TMdCOffset SerializeL(CMdCSerializationBuffer& aBuffer, TMdCOffset aFreespaceOffset) const;
+
+	TMdEInstanceType InstanceType() const;
+
+private:
+	/**
+	 * Constructs a new event.
+	 *
+	 * @param aDef       Definition of the new event.
+	 * @param aObjectId  Identifier of the object that the new event is related to.
+	 * @param aTime      Time when the new event occurred.
+	 */
+	CMdEEvent(CMdESession* aSession, TItemId aId, CMdEEventDef& aDef, TItemId aObjectId, TTime aTime);
+
+	/**
+	 * Second-phase constructor.
+	 *
+	 * @param aSource       Source of the new event. Ownership of the pointed object remains on caller.
+	 * @param aParticipant  Participant of the new event. Ownership of the pointed object remains on caller.
+	 */
+	void ConstructL(const TDesC* aSource, const TDesC* aParticipant);
+
+
+private:
+
+	/** Event definition. */
+	CMdEEventDef& iDef;
+
+	/** Object identifier. */
+	TItemId iObjectId;
+
+	/** Time when the event occurred. */
+	TTime iTime;
+
+	/** Source descriptor. */
+	HBufC* iSource;
+
+	/** Participant descriptor. */
+	HBufC* iParticipant;
+	};
+
+#endif  // __MDEEVENT_H__