Copyright (c) 2016-present, RxJava Contributors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
/** * Copyright (c) 2016-present, RxJava Contributors. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See * the License for the specific language governing permissions and limitations under the License. */
package io.reactivex.internal.operators.completable; import java.util.concurrent.*; import java.util.concurrent.atomic.AtomicBoolean; import io.reactivex.*; import io.reactivex.disposables.*; import io.reactivex.plugins.RxJavaPlugins; import static io.reactivex.internal.util.ExceptionHelper.timeoutMessage; public final class CompletableTimeout extends Completable { final CompletableSource source; final long timeout; final TimeUnit unit; final Scheduler scheduler; final CompletableSource other; public CompletableTimeout(CompletableSource source, long timeout, TimeUnit unit, Scheduler scheduler, CompletableSource other) { this.source = source; this.timeout = timeout; this.unit = unit; this.scheduler = scheduler; this.other = other; } @Override public void subscribeActual(final CompletableObserver observer) { final CompositeDisposable set = new CompositeDisposable(); observer.onSubscribe(set); final AtomicBoolean once = new AtomicBoolean(); Disposable timer = scheduler.scheduleDirect(new DisposeTask(once, set, observer), timeout, unit); set.add(timer); source.subscribe(new TimeOutObserver(set, once, observer)); } static final class TimeOutObserver implements CompletableObserver { private final CompositeDisposable set; private final AtomicBoolean once; private final CompletableObserver downstream; TimeOutObserver(CompositeDisposable set, AtomicBoolean once, CompletableObserver observer) { this.set = set; this.once = once; this.downstream = observer; } @Override public void onSubscribe(Disposable d) { set.add(d); } @Override public void onError(Throwable e) { if (once.compareAndSet(false, true)) { set.dispose(); downstream.onError(e); } else { RxJavaPlugins.onError(e); } } @Override public void onComplete() { if (once.compareAndSet(false, true)) { set.dispose(); downstream.onComplete(); } } } final class DisposeTask implements Runnable { private final AtomicBoolean once; final CompositeDisposable set; final CompletableObserver downstream; DisposeTask(AtomicBoolean once, CompositeDisposable set, CompletableObserver observer) { this.once = once; this.set = set; this.downstream = observer; } @Override public void run() { if (once.compareAndSet(false, true)) { set.clear(); if (other == null) { downstream.onError(new TimeoutException(timeoutMessage(timeout, unit))); } else { other.subscribe(new DisposeObserver()); } } } final class DisposeObserver implements CompletableObserver { @Override public void onSubscribe(Disposable d) { set.add(d); } @Override public void onError(Throwable e) { set.dispose(); downstream.onError(e); } @Override public void onComplete() { set.dispose(); downstream.onComplete(); } } } }