Signalslot connection in sequence diagram

Signalslot connection in sequence diagram signal slot The signal-slot mechanism is a way to implement the observer pattern Roughly, the idea is to allow subscription of callback functions to an signal and slot arguments are not compatible A signal in Qt is declared much like a member function, except that it has no local implementation

signal and slot arguments are not compatible Highlights • Propose a time-slot based signal scheme with a generalized cycle structure for fixed-time control at isolated intersections, which generates sub-

signal slot A slot is called when a signal connected to it is emitted Slots are normal C++ functions and can be called normally; their only special feature is that signals Signalslot connection in sequence diagram · consider data flow is from B to A · consider component_B as the emitter of this signal “S” carrying