/** Dispatches the next event. */
private void dispatch() {
// Grab the oldest event on the queue.
AgentEvent e = eventQueue.removeLast();
Class<?> eventType = e.getClass();
LinkedList<AgentEventListener> evNotifList = deMultiplexTable.get(eventType);
if (evNotifList != null) {
Iterator<AgentEventListener> i = evNotifList.iterator();
AgentEventListener listener;
while (i.hasNext()) {
listener = i.next();
if (!listener.equals(e.getSource())) listener.eventFired(e);
}
} // else nobody registered for this event type.
}
static void applyChanges(
RuleBase rb,
boolean removeExistingPackages,
Collection changes,
Collection<String> removed,
AgentEventListener listener) {
if (changes == null && removed == null) return;
rb.lock();
if (removed != null) {
removePackages(removed, rb, listener);
}
if (changes != null) {
for (Iterator iter = changes.iterator(); iter.hasNext(); ) {
Package p = (Package) iter.next();
if (removeExistingPackages) {
removePackage(p.getName(), rb);
}
try {
listener.info("Adding package called " + p.getName());
rb.addPackage(p);
} catch (Exception e) {
throw new RuntimeDroolsException(e);
}
}
}
rb.unlock();
}
static void removePackages(
Collection<String> removedPackages, RuleBase rb, AgentEventListener listener) {
for (String name : removedPackages) {
listener.info("Removing package called " + name);
removePackage(name, rb);
}
}
