001 package org.LiveGraph.events;
002
003 public class EventAnnotation {
004
005 private EventListener listener;
006 private Object info;
007
008 public EventAnnotation(EventListener listener, Object info) {
009 if (null == listener)
010 throw new NullPointerException("May not create EventAnnotation for a null listener");
011 this.listener = listener;
012 this.info = info;
013 }
014
015 public EventListener getListener() {
016 return listener;
017 }
018
019 public Object getInfo() {
020 return info;
021 }
022
023 @Override
024 public String toString() {
025 return "EventAnnotation {listener=("
026 + listener.toString() + "); info=("
027 + (null == info ? "null" : info.toString()) + ");}";
028 }
029
030 @Override
031 public boolean equals(Object o) {
032 if (o == null)
033 return false;
034 if (o instanceof EventAnnotation)
035 return equals((EventAnnotation) o);
036
037 return false;
038 }
039
040 public boolean equals(EventAnnotation o) {
041 if (o == null)
042 return false;
043
044 return getListener().equals(o.getListener())
045 && ( (getInfo() == o.getInfo()) || (getInfo().equals(o.getInfo())) );
046 }
047
048 }