public static void main(String[] args) {
loadEnvironment(args);
final CountDownLatch latch = new CountDownLatch(1);
final Container container = new Container();
container.addStatusChangeListener(
new Container.StatusChangeListener() {
@Override
public void onChange(Container.StatusChangeEvent changeEvent) {
// if an event occurs that causes the container to shut itself
// down, also shut down the application. An event could be a
// failure of some sort, or it could be that the job completed.
if (Container.Status.STOPPED == changeEvent.getStatus()) {
doStop(latch, container);
}
}
});
Thread shutdownThread =
new Thread() {
@Override
public void run() {
// if a control-c occurs, properly halt the container.
doStop(latch, container);
}
};
// add a control-c hook that stops the container cleanly...
Runtime.getRuntime().addShutdownHook(shutdownThread);
try {
container.start();
// the latch should be waited upon in only two cases:
// control-c was triggered, or the container itself
// shutdown, b/c perhaps the test completed.
try {
latch.await();
} catch (InterruptedException e) {
// ignore
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
} catch (Exception | Error e) {
panic(Exceptions.toStringAllCauses(e), e);
} finally {
try {
Runtime.getRuntime().removeShutdownHook(shutdownThread);
} catch (IllegalStateException e) {
// ignore shutdown in progress message
}
}
}
private static void doStop(CountDownLatch latch, Container container) {
container.stop();
latch.countDown();
}