private void fireQueuePositionEvent(int currentPosition) {
synchronized (queueListeners) {
for (Iterator<QueueListener> i = queueListeners.iterator(); i.hasNext(); ) {
QueueListener listener = i.next();
listener.queuePositionUpdated(currentPosition);
}
}
}
private void fireQueueTimeEvent(int secondsRemaining) {
synchronized (queueListeners) {
for (Iterator<QueueListener> i = queueListeners.iterator(); i.hasNext(); ) {
QueueListener listener = i.next();
listener.queueWaitTimeUpdated(secondsRemaining);
}
}
}
private void fireQueueDepartedEvent() {
synchronized (queueListeners) {
for (Iterator<QueueListener> i = queueListeners.iterator(); i.hasNext(); ) {
QueueListener listener = i.next();
listener.departedQueue();
}
}
}