-
- void add_successor(Activity* a)
- {
- successors_.push_back(a);
- static_cast<AnyActivity*>(a)->add_dependency_on(static_cast<Activity*>(this));
- }
- void remove_successor() { successors_.pop_back(); }
- Activity* get_successor() { return successors_.back(); }
- bool has_successors() { return not successors_.empty(); }
-
- void add_dependency_on(Activity* a) { dependencies_.insert({a}); }
- void remove_dependency_on(Activity* a) { dependencies_.erase(a); }
- bool has_dependencies() { return not dependencies_.empty(); }
- void release_dependencies()
- {
- while (has_successors()) {
- AnyActivity* b = static_cast<AnyActivity*>(get_successor());
- XBT_CDEBUG(s4u_activity, "Remove a dependency from '%s' on '%s'", static_cast<AnyActivity*>(this)->get_cname(),
- b->get_cname());
- b->remove_dependency_on(static_cast<Activity*>(this));
- if (not b->has_dependencies()) {
- b->vetoable_start();
- }
- remove_successor();
- }
- }
-
- AnyActivity* vetoable_start()