destin end edg param edg edg want destin port destin port edg code code edg given otf wrong type destin defin object dest port object edg edg comment edg comment edg edg destin model facad associ edg list conn arrai list model facad connect edg conn model facad relationship edg model facad transit edg model facad associ end edg model uml helper destin edg model facad link edg model common behavior helper destin edg don know defin log lp log granular type statement lp log local log error dest port edg handl endif 