metadataengine/server/src/mdsrelationdef.cpp
changeset 0 c53acadfccc6
child 14 646a02f170b9
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-1:000000000000 0:c53acadfccc6
       
     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 #include "mdsrelationdef.h"
       
    19 
       
    20 #include "mdcdef.h"
       
    21 #include "mdssqliteconnection.h"
       
    22 #include "mdcserializationbuffer.h"
       
    23 #include "mdsindexer.h"
       
    24 
       
    25 
       
    26 /**
       
    27  * NewLC
       
    28  */
       
    29 CMdsRelationDef* CMdsRelationDef::NewLC(const TDesC& aName )
       
    30 	{
       
    31 	CMdsRelationDef* ret = new( ELeave ) CMdsRelationDef();
       
    32 	CleanupStack::PushL( ret );
       
    33 	ret->ConstructL( aName );
       
    34 	return ret;
       
    35 	}
       
    36 	
       
    37 /**
       
    38  * NewL
       
    39  */
       
    40 CMdsRelationDef* CMdsRelationDef::NewL(const TDesC& aName )
       
    41 	{
       
    42 	CMdsRelationDef* ret = CMdsRelationDef::NewLC( aName );
       
    43 	CleanupStack::Pop( ret );
       
    44 	return ret;
       
    45 	}
       
    46 
       
    47 /**
       
    48  * ConstructL
       
    49  */
       
    50 void CMdsRelationDef::ConstructL( const TDesC& aName )
       
    51 	{
       
    52 	// check that only allowed characters (A-Z, a-z) are used
       
    53 	CheckAllowerCharatersL( aName, EFalse );
       
    54 	
       
    55 	CMdsItemDef::ConstructL( aName );
       
    56 	}
       
    57 
       
    58 /**
       
    59  * Destructor
       
    60  */
       
    61 CMdsRelationDef::~CMdsRelationDef()
       
    62 	{
       
    63 	}
       
    64 	
       
    65 void CMdsRelationDef::StoreToDBL( const TDefId aNamespaceDefId )
       
    66 	{
       
    67 	_LIT( KMdsSqlClauseAddRelationDef, "INSERT INTO RelationDef (NamespaceDefId,Name) Values(?,?);" );
       
    68 
       
    69 	if ( GetStoredInDB() )
       
    70 		{
       
    71 		return;
       
    72 		}
       
    73 
       
    74     RRowData rowData;
       
    75     CleanupClosePushL( rowData );
       
    76 
       
    77 	rowData.AppendL( TColumn( aNamespaceDefId ) );
       
    78 	rowData.AppendL( TColumn( GetName().AllocL() ) );
       
    79 	TDefId id =  MMdSIndexer::ExecuteAndGetIndexL( KMdsSqlClauseAddRelationDef, rowData );
       
    80 	if ( id != KNoDefId )
       
    81 		{
       
    82 		SetId( id );
       
    83 		}
       
    84 	SetStoredInDB();
       
    85 	CleanupStack::PopAndDestroy( &rowData );
       
    86 	}
       
    87 
       
    88 TBool CMdsRelationDef::operator==( const CMdsRelationDef& aRelationDef ) const
       
    89 	{
       
    90 	return GetName() == aRelationDef.GetName();
       
    91 	}
       
    92 
       
    93 TUint32 CMdsRelationDef::RequiredBufferSize()
       
    94 	{
       
    95 	return sizeof(TMdCRelationDef) + CMdsItemDef::RequiredBufferSize();
       
    96 	}
       
    97 
       
    98 TMdCOffset CMdsRelationDef::SerializeL(CMdCSerializationBuffer& aBuffer, TMdCOffset aFreeSpace)
       
    99 	{
       
   100 	TMdCRelationDef relationDef;
       
   101 	relationDef.iDefId = GetId();
       
   102 	
       
   103 	// store name
       
   104 	relationDef.iName.iPtr.iCount = GetName().Length();
       
   105 	relationDef.iName.iPtr.iOffset = aFreeSpace;
       
   106 	relationDef.SerializeL( aBuffer );
       
   107 	
       
   108 	aBuffer.PositionL( aFreeSpace );
       
   109 	return CMdsItemDef::SerializeL( aBuffer );
       
   110 	}