/*

* 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:  Class to hold description about one relation

*

*/

#include "mdsrelationdef.h"

#include "mdcdef.h"

#include "mdssqliteconnection.h"

#include "mdcserializationbuffer.h"

#include "mdsindexer.h"

/**

 * NewLC

 */

CMdsRelationDef* CMdsRelationDef::NewLC(const TDesC& aName )

	{

	CMdsRelationDef* ret = new( ELeave ) CMdsRelationDef();

	CleanupStack::PushL( ret );

	ret->ConstructL( aName );

	return ret;

	}

/**

 * NewL

 */

CMdsRelationDef* CMdsRelationDef::NewL(const TDesC& aName )

	{

	CMdsRelationDef* ret = CMdsRelationDef::NewLC( aName );

	CleanupStack::Pop( ret );

	return ret;

	}

/**

 * ConstructL

 */

void CMdsRelationDef::ConstructL( const TDesC& aName )

	{

	// check that only allowed characters (A-Z, a-z) are used

	CheckAllowerCharatersL( aName, EFalse );

	CMdsItemDef::ConstructL( aName );

	}

/**

 * Destructor

 */

CMdsRelationDef::~CMdsRelationDef()

	{

	}

void CMdsRelationDef::StoreToDBL( const TDefId aNamespaceDefId )

	{

	_LIT( KMdsSqlClauseAddRelationDef, "INSERT INTO RelationDef (NamespaceDefId,Name) Values(?,?);" );

	if ( GetStoredInDB() )

		{

		return;

		}

    RRowData rowData;

    CleanupClosePushL( rowData );

	rowData.AppendL( TColumn( aNamespaceDefId ) );

	rowData.AppendL( TColumn( GetName().AllocL() ) );

	TDefId id =  MMdSIndexer::ExecuteAndGetIndexL( KMdsSqlClauseAddRelationDef, rowData );

	if ( id != KNoDefId )

		{

		SetId( id );

		}

	SetStoredInDB();

	CleanupStack::PopAndDestroy( &rowData );

	}

TBool CMdsRelationDef::operator==( const CMdsRelationDef& aRelationDef ) const

	{

	return GetName() == aRelationDef.GetName();

	}

TUint32 CMdsRelationDef::RequiredBufferSize()

	{

	return sizeof(TMdCRelationDef) + CMdsItemDef::RequiredBufferSize();

	}

TMdCOffset CMdsRelationDef::SerializeL(CMdCSerializationBuffer& aBuffer, TMdCOffset aFreeSpace)

	{

	TMdCRelationDef relationDef;

	relationDef.iDefId = GetId();

	// store name

	relationDef.iName.iPtr.iCount = GetName().Length();

	relationDef.iName.iPtr.iOffset = aFreeSpace;

	relationDef.SerializeL( aBuffer );

	aBuffer.PositionL( aFreeSpace );

	return CMdsItemDef::SerializeL( aBuffer );

	}