@Override
public void handle(QueryEvent event) {
LOG.info("Processing " + event.getQueryId() + " of type " + event.getType());
try {
writeLock.lock();
QueryState oldState = getState();
try {
getStateMachine().doTransition(event.getType(), event);
} catch (InvalidStateTransitonException e) {
LOG.error("Can't handle this event at current state", e);
eventHandler.handle(new QueryEvent(this.id, QueryEventType.INTERNAL_ERROR));
}
// notify the eventhandler of state change
if (oldState != getState()) {
LOG.info(id + " Query Transitioned from " + oldState + " to " + getState());
}
} finally {
writeLock.unlock();
}
}
