public T get(long timeout, TimeUnit unit) {
if (isDone()) {
return getResultValue();
}
Thread thread = Thread.currentThread();
// _thread = thread;
long expires = unit.toMillis(timeout) + System.currentTimeMillis();
while (true) {
if (isDone()) {
return getResultValue();
} else if (_state == FutureState.ASYNC) {
Result<Object> chain = _chain;
Object chainValue = _chainValue;
_chain = null;
_chainValue = null;
_state = FutureState.INIT;
// _thread = null;
chain.completeFuture(chainValue);
/*
if (isDone()) {
return getResultValue();
}
*/
// _thread = thread;
} else {
if (ServiceRef.flushOutboxAndExecuteLast()) {
// if pending messages, continue to process them
continue;
}
// ServiceRef.flushOutbox();
_thread = thread;
if (_state.isParkRequired()) {
if (expires < System.currentTimeMillis()) {
_thread = null;
throw new ServiceExceptionFutureTimeout("future timeout " + timeout + " " + unit);
}
LockSupport.parkUntil(expires);
}
_thread = null;
}
}
}
public final boolean isDone() {
return _state.isDone();
}
