public void removeWorkers() {
if (host != null && host.isWorking == false) {
host.stopThread();
host = null;
numWorkers--;
}
if (cook != null && cook.isWorking == false) {
cook.stopThread();
cook = null;
numWorkers--;
}
if (cashier != null && cashier.isWorking == false) {
cashier.stopThread();
cashier = null;
numWorkers--;
}
synchronized (waiters) {
for (WaiterAgent w : waiters) {
if (w.isWorking == false) {
w.stopThread();
waiters.remove(w);
numWorkers--;
}
}
}
}
