1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  ?Description

    15 *

    16 */

    17 

    18 

    19 #ifndef __MDEINSTANCEITEM_H__

    20 #define __MDEINSTANCEITEM_H__

    21 

    22 

    23 #include <mdeitem.h>

    24 

    25 enum TMdEInstanceType

    26 	{

    27 	EMdETypeObject = 1,

    28 	EMdETypeRelation,

    29 	EMdETypeEvent,

    30 	EMdETypeProperty

    31 	};

    32 

    33 /**

    34  * Abstract base class for all instance items stored in the metadata engine database.

    35  */

    36 NONSHARABLE_CLASS(CMdEInstanceItem) : public CMdEItem

    37 	{

    38 public:

    39 	

    40 	/* Destructor. */

    41 

    42 	/**

    43 	 * Destructor.

    44 	 */

    45 	virtual ~CMdEInstanceItem();

    46 

    47 

    48 	/* Methods. */

    49 

    50 	virtual TMdEInstanceType InstanceType() const = 0;

    51 	

    52 protected:

    53 

    54 	/* Constructors. */

    55 

    56 	/**

    57 	 * Constructor.

    58 	 */

    59 	CMdEInstanceItem(CMdESession* aSession, TItemId aId);

    60 

    61 	/**

    62 	 * Second-phase constructor.

    63 	 */

    64 	void InstanceItemBaseConstruct();

    65 	};

    66 

    67 #endif  // __MDEINSTANCEITEM_H__