+ AnyActivity* vetoable_start()
+ {
+ set_state(State::STARTING);
+ if (has_dependencies())
+ return static_cast<AnyActivity*>(this);
+ set_state(State::STARTED);
+ XBT_CDEBUG(s4u_activity, "All dependencies are solved, let's start '%s'", get_cname());
+ static_cast<AnyActivity*>(this)->start();
+ return static_cast<AnyActivity*>(this);
+ }
+
+ AnyActivity* set_name(const std::string& name)
+ {
+ xbt_assert(get_state() == State::INITED, "Cannot change the name of an activity after its start");
+ name_ = name;
+ return static_cast<AnyActivity*>(this);
+ }
+ const std::string& get_name() { return name_; }
+ const char* get_cname() { return name_.c_str(); }
+
+ AnyActivity* set_tracing_category(const std::string& category)
+ {
+ xbt_assert(get_state() == State::INITED, "Cannot change the tracing category of an activity after its start");
+ tracing_category_ = category;
+ return static_cast<AnyActivity*>(this);
+ }
+ const std::string& get_tracing_category() { return tracing_category_; }
+
+ AnyActivity* set_user_data(void* data)
+ {
+ user_data_ = data;
+ return static_cast<AnyActivity*>(this);
+ }
+
+ void* get_user_data() { return user_data_; }
+};