//invoke all the listeners
for (int i = 0; i < clusterListeners.size(); i++) {
MessageListener listener = (MessageListener) clusterListeners
.elementAt(i);
if (myobj != null && myobj instanceof ClusterMessage
&& listener.accept((ClusterMessage) myobj)) {
listener.messageReceived((ClusterMessage) myobj);
}//end if
}//for
}//end if