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 __MDERELATIONQUERY_H__

    20 #define __MDERELATIONQUERY_H__

    21 

    22 

    23 #include <mdequery.h>

    24 

    25 

    26 /* Forward declarations. */

    27 class CMdERelation;

    28 class CMdENamespaceDef;

    29 class CMdESession;

    30 

    31 /**

    32  * Query that fetches a set of relation items from the metadata engine 

    33  * database.

    34  */

    35 NONSHARABLE_CLASS(CMdERelationQuery) : public CMdEQuery

    36 	{

    37 public:

    38 	

    39 	/* Constructors and destructor. */

    40 

    41     /**

    42 	 * Destructor.

    43 	 */

    44 	virtual ~CMdERelationQuery();

    45 

    46 

    47 	/* Methods. */

    48  

    49     /**

    50 	 * Returns one of the result objects.

    51 	 *

    52 	 * @return  The result object that was requested. The query retains 

    53      *          ownership of the returned object.

    54 	 */

    55 	IMPORT_C CMdERelation& Result(TInt aIndex) const;

    56 

    57 

    58 protected:

    59 

    60 	/* Constructors. */

    61 	

    62 	/**

    63 	 * Constructor. 

    64 	 *

    65 	 * @param aType  type of the condition node

    66 	 */

    67 	CMdERelationQuery(CMdESession& aSession, CMdENamespaceDef& aNamespaceDef);

    68 

    69 	/**

    70 	 * Second-phase constructor.

    71 	 */

    72 	void RelationQueryConstructL();

    73 

    74     virtual void DoCancel();

    75 

    76 private:

    77 

    78     /* Private methods. */

    79 

    80 

    81 private:

    82 

    83     };

    84 

    85 #endif  // __MDERELATIONQUERY_H__