/**
 * Manager: stores any number of CanBeTold objects 
 * can register another CanBeTold object
 * can tell all its CanBeTold objects to respond()
 * can get rid of ALL its CanBeTold objects
 * Part of an implementation of the Observer-Observed design pattern
 * @author Rhys Price Jones
 * @version 15xi08, revisited 23ii11
 */

import java.util.Vector;

/**
 * @author rhyspj
 *
 */
public class Manager {
        private Vector<CanBeTold> myThings = new Vector<CanBeTold>();
          public void register(CanBeTold thing){
              myThings.add(thing);
          }

          public void clear(){
              myThings = new Vector<CanBeTold>();
          }

          public void tellAll(){
              for (CanBeTold thing : myThings) {
                  thing.respond();
              }
          }


}