public void revertRestartRequired(Object stamp) {
// If 'state' still has the state we last set in restartRequired(), change to RUNNING
Integer theirStamp = Integer.class.cast(stamp);
synchronized (service) {
if (state.compareAndSet(
State.RESTART_REQUIRED, State.RUNNING, theirStamp, this.stamp.incrementAndGet())) {
service.stateChanged(State.RUNNING);
}
}
}
public Object setRestartRequired() {
AtomicStampedReference<State> stateRef = state;
int newStamp = stamp.incrementAndGet();
int[] receiver = new int[1];
// Keep trying until stateRef is RESTART_REQUIRED with our stamp
for (; ; ) {
State was = stateRef.get(receiver);
if (was == State.STARTING || was == State.STOPPING) {
break;
}
synchronized (service) {
if (stateRef.compareAndSet(was, State.RESTART_REQUIRED, receiver[0], newStamp)) {
service.stateChanged(State.RESTART_REQUIRED);
break;
}
}
}
return Integer.valueOf(newStamp);
};
public void setStarting() {
synchronized (service) {
state.set(State.STARTING, stamp.incrementAndGet());
service.stateChanged(State.STARTING);
}
}
public void setRunning() {
synchronized (service) {
state.set(State.RUNNING, stamp.incrementAndGet());
service.stateChanged(State.RUNNING);
}
}
