if ( columnName != null )
List resultList = ColumnBindingNameValidator.getInstance( ) .validateForReplacing( getElementHandle( ) , getPropertyDefn( ), getStructure( ), columnName ); if( resultList.size( ) > 0 )
	public void setName( String columnName ) throws SemanticException	{		if ( columnName != null )		{			String tmpName = DataBoundColumnUtil.makeUniqueName(					getElementHandle( ), columnName,					(ComputedColumn) getStructure( ) );			if ( !columnName.equals( tmpName ) )			{				throw new PropertyValueException( getElementHandle( )						.getElement( ), getPropertyDefn( ), columnName,						PropertyValueException.DESIGN_EXCEPTION_VALUE_EXISTS );			}		}		setProperty( ComputedColumn.NAME_MEMBER, columnName );	}