public Set < Key > keySet ( int access ) { Set < Key > set = new LinkedHashSet < Key > ( ) ; Map . Entry < Key , Member > entry ; Iterator < Entry < Key , Member > > it = _data . entrySet ( ) . iterator ( ) ; while ( it . hasNext ( ) ) { entry = it . next ( ) ; if ( entry . getValue ( ) . getAccess ( ) <= access ) set . add ( entry . getKey ( ) ) ; } return set ; }
list of keys