String tmpName = DataBoundColumnUtil.makeUniqueName( getElementHandle( ), columnName, (ComputedColumn) getStructure( ) );  if ( !columnName.equals( tmpName ) ) { throw new PropertyValueException( getElementHandle( ) .getElement( ), getPropertyDefn( ), columnName, PropertyValueException.DESIGN_EXCEPTION_VALUE_EXISTS ); }
throw (PropertyValueException)resultList.get( 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 );	}