overrid action perform action event ae action perform ae argo diagram activ diagram diagram util activ diagram activ diagram uml diagram uml diagram uml diagram activ diagram list class arrai list list node node object owner node model facad owner model facad owner model facad owner length charact digit class add owner class size collect select object target manag instanc target object select select object model facad select add collect model model manag helper model element kind select model meta type uml class add collect model model manag helper model element kind select model meta type class model facad select model facad select class contain select class add select gener dialog cgd gener dialog class cgd set visibl 