runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/msg/event/SlcEventListenerRegister.java

   1 package org.argeo.slc.msg.event;
   2
   3 import java.io.Serializable;
   4 import java.util.ArrayList;
   5 import java.util.List;
   6 import java.util.Vector;
   7
   8 public class SlcEventListenerRegister implements Serializable {
   9         static final long serialVersionUID = 1l;
  10
  11         /** Synchronized */
  12         private List<SlcEventListenerDescriptor> descriptors = new Vector<SlcEventListenerDescriptor>();
  13
  14         public synchronized void addEventListenerDescriptor(
  15                         SlcEventListenerDescriptor eventListenerDescriptor) {
  16                 if (descriptors.contains(eventListenerDescriptor))
  17                         descriptors.remove(eventListenerDescriptor);
  18                 descriptors.add(eventListenerDescriptor);
  19         }
  20
  21         public synchronized void removeEventListenerDescriptor(
  22                         SlcEventListenerDescriptor eventListenerDescriptor) {
  23                 descriptors.remove(eventListenerDescriptor);
  24         }
  25
  26         public synchronized List<SlcEventListenerDescriptor> getDescriptorsCopy() {
  27                 return new ArrayList<SlcEventListenerDescriptor>(descriptors);
  28         }
  29 }