OTExample Observer/Hummingbird
< OTExample Observer
Revision as of 07:27, 23 February 2010 by Stephan.cs.tu-berlin.de (Talk | contribs) (New page: '''Simple base class for the Observer pattern''' (''note, that this class bears no pre-planning for observing''). <source lang="otj"> package flower_example; /** * @author Bruce Eckel (...)
Simple base class for the Observer pattern
(note, that this class bears no pre-planning for observing).
package flower_example; /** * @author Bruce Eckel (original Java example) * @author Miguel P. Monteiro (adaptation to OT/J) * * Base class to play the Observer role */ public class Hummingbird { private String _name; public Hummingbird(String name) { _name = name; } //Reaction to Flower.open public void breakfastTime() { System.out.println("Hummingbird " + _name + "'s time to have breakfast!"); } //Reaction to Flower.close public void bedTime() { System.out.println("Hummingbird " + _name + " goes to sleep!"); } }