private synchronized Cluster clusterFor(EventListener eventListener) {
Cluster cluster = clusterSelector.selectCluster(eventListener);
if (cluster == null) {
Class listenerType = eventListener.getClass();
if (eventListener instanceof EventListenerProxy) {
listenerType = ((EventListenerProxy) eventListener).getTargetType();
}
throw new EventListenerSubscriptionFailedException(
format(
"Unable to subscribe [%s] to the Event Bus. There is no suitable cluster for it. "
+ "Make sure the ClusterSelector is configured properly",
listenerType.getName()));
}
if (clusters.add(cluster)) {
terminal.onClusterCreated(cluster);
}
return cluster;
}
@Override
public void publish(EventMessage... events) {
terminal.publish(events);
}