__construct( $data, $dataSource = 'PLAIN')
setMetaDataFromShop( $metaData)
isEmpty()
format( $dataDestination)
getId() : integer
(primary key)
setId( $val)
getName() : string
setName( $val)
getPosition() : integer
setPosition( $val)
isComparable() : boolean
setComparable( $val)
getSortMode() : integer
setSortMode( $val)