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:  Class to hold description about one relation

    15 *

    16 */

    17 

    18 #ifndef __MDSRELATIONDEF_H__

    19 #define __MDSRELATIONDEF_H__

    20 

    21 #include <e32base.h>

    22 

    23 #include "mdsitemdef.h"

    24 

    25 

    26 class CMdCSerializationBuffer;

    27 

    28 

    29 /**

    30  *  Metadata relationdef class

    31  *

    32  *  This class is responsible for holding information about one relation

    33  *

    34  */

    35 class CMdsRelationDef : public CMdsItemDef

    36     {

    37     friend class CMdsNamespaceDef;

    38 public:

    39 	/**

    40 	 * Create new relation object

    41 	 * @param aId id of relation

    42 	 * @param aName name of relation

    43 	 * @return pointer to new created relation

    44 	 */

    45     static CMdsRelationDef* NewL( const TDesC& aName );

    46 

    47 	/**

    48 	 * Create new relation object

    49 	 * @param aId id of relation

    50 	 * @param aName name of relation

    51 	 * @return pointer to new created relation

    52 	 */

    53     static CMdsRelationDef* NewLC( const TDesC& aName );

    54 

    55     virtual ~CMdsRelationDef();

    56     

    57 

    58     TBool operator==( const CMdsRelationDef& aRelationDef ) const;

    59 

    60 	inline TBool operator!=( const CMdsRelationDef& aRelationDef ) const;

    61 

    62 	void StoreToDBL( const TDefId aNamespaceDefId );

    63 

    64 	/**

    65      * Get required size of serialized buffer when this is serialized.

    66      *

    67      * @return required size of serialized buffer

    68      */

    69     TUint32 RequiredBufferSize();

    70 

    71     /**

    72      * Serialize own data to serialized buffer (correct position must be set 

    73      * before calling) and return new position of serialized buffer.

    74 	 *

    75      * @param aBuffer  serialized buffer.

    76      */

    77     TMdCOffset SerializeL(CMdCSerializationBuffer& aBuffer, TMdCOffset aFreeSpace);

    78 

    79 private:

    80 	/**

    81 	 * 2nd phase construction

    82 	 * @param aName name of event

    83 	 */

    84     void ConstructL( const TDesC& aName );

    85 

    86 private: // data

    87 

    88     };

    89 

    90 #include "mdsrelationdef.inl"

    91 

    92 #endif // __MDSRELATIONDEF_H__