private void initEventQueue(Engine engine) {
ExecutionEventQueue newEventQueue = CachingExecutionEventQueue.newArrayListInstance();
ListenerCache cache = CachingExecutionEventQueue.getListenerCache();
for (HibProcessListener listener : getListeners()) {
newEventQueue.addListener(
engine, cache.getListener(listener.getType()), listener.getEventType());
}
eventQueue = newEventQueue;
}
@Override
public void removeExecutionListener(
GraphProcess process, ExecutionListener listener, ExecutionEventType... eventTypes) {
process.getEventQueue().removeListener(this, listener, eventTypes);
List<ExecutionEventType> types = eventTypes == null ? null : Arrays.asList(eventTypes);
for (HibProcessListener hibListener : ((HibGraphProcess) process).getListeners()) {
if (process.equals(hibListener.getProcess())
&& (eventTypes == null
|| eventTypes.length == 0
|| types.contains(hibListener.getEventType()))) {
session.delete(hibListener);
}
}
}
