__construct( $data, $dataSource = 'PLAIN')
setMetaDataFromShop( $metaData)
isEmpty()
format( $dataDestination)
getId() : integer
(primary key)
setId( $val)
getArticleId() : integer
(foreign key Article)
setArticleId( $val)
getName() : string
setName( $val)
getFile() : string
setFile( $val)
getSize() : integer
setSize( $val)