@Override
public void onNext(Notification<? extends T> args) {
if (waiting.getAndSet(false) || !args.isOnNext()) {
Notification<? extends T> toOffer = args;
while (!buf.offer(toOffer)) {
Notification<? extends T> concurrentItem = buf.poll();
// in case if we won race condition with onComplete/onError method
if (concurrentItem != null && !concurrentItem.isOnNext()) {
toOffer = concurrentItem;
}
}
}
}
public static <T> AsyncSubject<T> create() {
final SubjectSubscriptionManager<T> subscriptionManager = new SubjectSubscriptionManager<T>();
final AtomicReference<Notification<T>> lastNotification =
new AtomicReference<Notification<T>>(Notification.<T>createOnCompleted());
OnSubscribe<T> onSubscribe =
subscriptionManager.getOnSubscribeFunc(
/**
* This function executes at beginning of subscription.
*
* <p>This will always run, even if Subject is in terminal state.
*/
new Action1<SubjectObserver<? super T>>() {
@Override
public void call(SubjectObserver<? super T> o) {
// nothing to do if not terminated
}
},
/** This function executes if the Subject is terminated. */
new Action1<SubjectObserver<? super T>>() {
@Override
public void call(SubjectObserver<? super T> o) {
// we want the last value + completed so add this extra logic
// to send onCompleted if the last value is an onNext
emitValueToObserver(lastNotification.get(), o);
}
},
null);
return new AsyncSubject<T>(onSubscribe, subscriptionManager, lastNotification);
}
private boolean moveToNext() {
try {
Notification<? extends T> nextNotification = observer.takeNext();
if (nextNotification.isOnNext()) {
isNextConsumed = false;
next = nextNotification.getValue();
return true;
}
// If an observable is completed or fails,
// hasNext() always return false.
hasNext = false;
if (nextNotification.isOnCompleted()) {
return false;
}
if (nextNotification.isOnError()) {
error = nextNotification.getThrowable();
throw Exceptions.propagate(error);
}
throw new IllegalStateException("Should not reach here");
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
error = e;
throw Exceptions.propagate(error);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// FIXME
if (null == convertView) {
convertView =
LayoutInflater.from(parent.getContext())
.inflate(R.layout.view_debug_subscriptions_stats, parent, false);
}
TextView countTextView = (TextView) convertView.findViewById(R.id.count);
TextView infoTextView = (TextView) convertView.findViewById(R.id.info);
RxDebugger.Stats stats = getItem(position);
countTextView.setText("" + stats.onNextCount);
if (null != stats.mostRecentNotification) {
Notification n = stats.mostRecentNotification;
switch (n.getKind()) {
case OnNext:
@Nullable Object value = n.getValue();
infoTextView.setText(
String.format(
"NEXT %s", null != value ? value.getClass().getSimpleName() : "null"));
break;
case OnCompleted:
infoTextView.setText("COMPLETED");
break;
case OnError:
infoTextView.setText("ERROR");
break;
}
} else {
infoTextView.setText("");
}
return convertView;
}
protected static <T> void emitValueToObserver(Notification<T> n, Observer<? super T> o) {
n.accept(o);
if (n.isOnNext()) {
o.onCompleted();
}
}
@Override
public void onNext(T v) {
lastNotification.set(Notification.createOnNext(v));
}
@Override
protected void match() {
if (!jo1.queue().isEmpty()
&& !jo2.queue().isEmpty()
&& !jo3.queue().isEmpty()
&& !jo4.queue().isEmpty()
&& !jo5.queue().isEmpty()
&& !jo6.queue().isEmpty()
&& !jo7.queue().isEmpty()) {
Notification<T1> n1 = jo1.queue().peek();
Notification<T2> n2 = jo2.queue().peek();
Notification<T3> n3 = jo3.queue().peek();
Notification<T4> n4 = jo4.queue().peek();
Notification<T5> n5 = jo5.queue().peek();
Notification<T6> n6 = jo6.queue().peek();
Notification<T7> n7 = jo7.queue().peek();
if (n1.isOnCompleted()
|| n2.isOnCompleted()
|| n3.isOnCompleted()
|| n4.isOnCompleted()
|| n5.isOnCompleted()
|| n6.isOnCompleted()
|| n7.isOnCompleted()) {
onCompleted.call();
} else {
dequeue();
onNext.call(
n1.getValue(),
n2.getValue(),
n3.getValue(),
n4.getValue(),
n5.getValue(),
n6.getValue(),
n7.getValue());
}
}
}