initi common multipl constructor initi set big port fig classifi role port fig fig rect width offset fig set line width head fig fig head owner set stereotyp fig fig head fig set bound offset width head fig height life line fig fig life line owner rectangl head fig offset head fig height line width set add fig big port big port set visibl todo magic number descript constant minimum height head fig minimum height add fig fig add fig life line fig add fig head fig creat activ 