/**
* Stop listening for messages of the given type with the given listener.
*
* @param m specify message type and template we're listening for
* @param listener destination for received messages
*/
public void deregisterListener(Message template, MessageListener listener) {
Integer amType = new Integer(template.amType());
Vector vec = (Vector) templateTbl.get(amType);
if (vec == null) {
throw new IllegalArgumentException(
"No listeners registered for message type "
+ template.getClass().getName()
+ " (AM type "
+ template.amType()
+ ")");
}
msgTemplate mt = new msgTemplate(template, listener);
// Remove all occurrences
while (vec.removeElement(mt)) ;
if (vec.size() == 0) templateTbl.remove(amType);
}