list edg object port list re arrai list model facad node port collect end model facad associ end port end collect list object end end re add model facad associ end model facad node instanc port object noi port collect end model facad link end noi re add end model facad compon port collect end model facad associ end port end collect list object end end re add model facad associ end model facad compon instanc port object coi port collect end model facad link end coi re add end model facad port collect end model facad associ end port end collect list object end end re add model facad associ end model facad port collect end model facad associ end port end collect list object end end re add model facad associ end model facad object port object clo port collect end model facad link end clo re add end re 