--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/mpxmyvideoscollection/tsrc/ut_vcxmyvideosmdsdb/inc/mdeitem.h	Tue May 25 12:44:54 2010 +0300
@@ -0,0 +1,135 @@
+/*
+* 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:  ?Description
+*
+*/
+
+
+#ifndef __MDEITEM_H__
+#define __MDEITEM_H__
+
+
+#include <e32base.h>
+
+#include <mdccommon.h>
+
+/** 
+ * Internal identifier for metadata engine database items. Must always be
+ * different from 0.
+ */
+class CMdESession;
+
+/**
+ * Abstract base class for all items stored in the metadata engine database.
+ */
+NONSHARABLE_CLASS(CMdEItem) : public CBase
+	{
+public:
+	
+	/**
+	 * Destructor.
+	 */
+	virtual ~CMdEItem();
+
+
+	/* Methods. */
+
+	/**
+	 * Returns whether the item belongs to a session.
+	 *
+	 * @return  <code>ETrue</code>, if the item belongs to a session;
+	 *          <code>EFalse</code>, otherwise
+	 */
+	IMPORT_C TBool BelongsToSession() const;
+
+	/**
+	 * Returns the session the item belongs to. Panics if
+	 * the item does not belong to any session.
+	 *
+	 * @return  session that the item belongs to
+	 */
+	IMPORT_C CMdESession& Session() const;
+
+	/**
+	 * Returns whether the item is stored in the database.
+	 *
+	 * @return  <code>ETrue</code>, if the item is in the database;
+	 *          <code>EFalse</code>, otherwise
+	 */
+	IMPORT_C TBool InDatabase() const;
+
+	/**
+	 * Returns the internal database identifier of the item. 
+	 *
+	 * @return  internal database identifier or <code>KNoId</code> if item is not stored in database.
+	 */
+	IMPORT_C TItemId Id() const;
+
+	/**
+	 * Sets that the internal database identifier of the object.
+	 *
+	 * @param aId  internal database identifier
+	 */
+	void SetId(TItemId aId);
+
+	/**
+	 * Sets the session the item belongs to. 
+	 *
+	 * @param aSession  session
+	 */
+	void SetSession(CMdESession& aSession);
+
+protected:
+
+	/* Constructors and destructor. */
+	
+	/**
+	 * Constructor. Note that if the new item is in the database
+	 * (i.e., it has an internal database identifier), it must also belong 
+	 * to a session.
+	 *
+	 * @param aSession  session that the new item belongs to;
+	 *                  or 0, if the new item does not belong to any session
+	 * @param aId		internal database identifier of the new item,
+	 *                  if the item is in the database (note that then also 
+	 *                  <code>aSession</code> must be different from 0);
+	 *					or 0, if the item is not in the database
+	 */
+	CMdEItem(CMdESession* aSession, TItemId aId);
+	
+	/**
+	 * Second-phase constructor.
+	 */
+	void ItemBaseConstruct();
+	
+	/* Utility methods. */
+
+	/**
+	 * Panics if the item does not belong to any session.
+	 */
+	void CheckSession() const;
+
+
+private:
+
+	/** Session. */
+	CMdESession* iSession;
+
+	/** Internal database identifier. */
+	TItemId iId;
+	
+	friend class CMdESession;
+	};
+
+#endif  // __MDEITEM_H__