.getName( ).equals( dataSetName ) )
.getQualifiedReference( ).equals( dataSetName ) )
	private void checkDataSet( Module module, String dataSetName, List errors,			DesignElement element )	{		if ( dataSetName == null)		{			return;		}		List dataSetsReferences = (List) element.getProperty( module,				JointDataSet.DATA_SETS_PROP );		if ( dataSetsReferences != null )		{			int dataSetIndex;			for ( dataSetIndex = 0; dataSetIndex < dataSetsReferences.size( ); dataSetIndex++ )			{				if ( ( (ElementRefValue) dataSetsReferences.get( dataSetIndex ) )						.getName( ).equals( dataSetName ) )				{					return;				}			}		}		errors				.add( new SemanticError(						element,						new String[]{element.getName( ), dataSetName},						SemanticError.DESIGN_EXCEPTION_DATA_SET_MISSED_IN_JOINT_DATA_SET ) );	}