private synchronized void powerDown() throws InterruptedException {
engage = false;
assembler = null; // Disconnect from the Assembler
// Put ourselves back in the available pool:
pool.release(this);
while (engage == false) // Power down
wait();
}
public void run() {
try {
while (!Thread.interrupted()) {
// Blocks until chassis is available:
car = chassisQueue.take();
// Hire robots to perform work:
robotPool.hire(EngineRobot.class, this);
robotPool.hire(DriveTrainRobot.class, this);
robotPool.hire(WheelRobot.class, this);
barrier.await(); // Until the robots finish
// Put car into finishingQueue for further work
finishingQueue.put(car);
}
} catch (InterruptedException e) {
print("Exiting Assembler via interrupt");
} catch (BrokenBarrierException e) {
// This one we want to know about
throw new RuntimeException(e);
}
print("Assembler off");
}