/**
* Retrieve the event state associated with specified invocation of the event trigger match
* method. This event trigger retrieves the combined event state of all aggregated event triggers.
*
* @param timestamp time stamp associated with invocation
* @return event state or null if not found
* @see org.eclipse.jetty.monitor.jmx.EventTrigger#getState(long)
*/
@Override
public EventState getState(long timestamp) {
EventState state = new EventState();
for (EventTrigger trigger : _triggers) {
EventState subState = trigger.getState(timestamp);
state.addAll(subState.values());
}
return state;
}