// @topic S-0314-13-04-20 Java Iterator and Visitor patterns // @brief interface for all updatable objects package week11; // Sample only! This is not set in stone. // Think about your own project needs and // and change this interface accordingly. // Feel free to add new methods as needed. public interface IUpdatable { // Generic update from the background thread: void update(); // Elevator notifying the floor and visitor objects // about the elevator arrival: void elevatorArrived( /*Elevator elevator*/ ); // Special update to all objects, // possibly a random event generated // by the scenario or the user pressing // the "red button" during the simulation: void emergency(); // A floor object notifying the visitor // that "you are here": void visitorArrived( Floor floor ); // Scenario notifying the floor object // that a new visitor has arrived: void visitorArrived( Visitor visitor ); }