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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* 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.rxjava3.internal.operators.single;
import static io.reactivex.rxjava3.internal.util.ExceptionHelper.timeoutMessage;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicReference;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.internal.disposables.DisposableHelper;
import io.reactivex.rxjava3.plugins.RxJavaPlugins;
public final class SingleTimeout extends Single {
final SingleSource source;
final long timeout;
final TimeUnit unit;
final Scheduler scheduler;
final SingleSource extends T> other;
public SingleTimeout(SingleSource source, long timeout, TimeUnit unit, Scheduler scheduler,
SingleSource extends T> other) {
this.source = source;
this.timeout = timeout;
this.unit = unit;
this.scheduler = scheduler;
this.other = other;
}
@Override
protected void subscribeActual(final SingleObserver super T> observer) {
TimeoutMainObserver parent = new TimeoutMainObserver<>(observer, other, timeout, unit);
observer.onSubscribe(parent);
DisposableHelper.replace(parent.task, scheduler.scheduleDirect(parent, timeout, unit));
source.subscribe(parent);
}
static final class TimeoutMainObserver extends AtomicReference
implements SingleObserver, Runnable, Disposable {
private static final long serialVersionUID = 37497744973048446L;
final SingleObserver super T> downstream;
final AtomicReference task;
final TimeoutFallbackObserver fallback;
SingleSource extends T> other;
final long timeout;
final TimeUnit unit;
static final class TimeoutFallbackObserver extends AtomicReference
implements SingleObserver {
private static final long serialVersionUID = 2071387740092105509L;
final SingleObserver super T> downstream;
TimeoutFallbackObserver(SingleObserver super T> downstream) {
this.downstream = downstream;
}
@Override
public void onSubscribe(Disposable d) {
DisposableHelper.setOnce(this, d);
}
@Override
public void onSuccess(T t) {
downstream.onSuccess(t);
}
@Override
public void onError(Throwable e) {
downstream.onError(e);
}
}
TimeoutMainObserver(SingleObserver super T> actual, SingleSource extends T> other, long timeout, TimeUnit unit) {
this.downstream = actual;
this.other = other;
this.timeout = timeout;
this.unit = unit;
this.task = new AtomicReference<>();
if (other != null) {
this.fallback = new TimeoutFallbackObserver<>(actual);
} else {
this.fallback = null;
}
}
@Override
public void run() {
if (DisposableHelper.dispose(this)) {
SingleSource extends T> other = this.other;
if (other == null) {
downstream.onError(new TimeoutException(timeoutMessage(timeout, unit)));
} else {
this.other = null;
other.subscribe(fallback);
}
}
}
@Override
public void onSubscribe(Disposable d) {
DisposableHelper.setOnce(this, d);
}
@Override
public void onSuccess(T t) {
Disposable d = get();
if (d != DisposableHelper.DISPOSED && compareAndSet(d, DisposableHelper.DISPOSED)) {
DisposableHelper.dispose(task);
downstream.onSuccess(t);
}
}
@Override
public void onError(Throwable e) {
Disposable d = get();
if (d != DisposableHelper.DISPOSED && compareAndSet(d, DisposableHelper.DISPOSED)) {
DisposableHelper.dispose(task);
downstream.onError(e);
} else {
RxJavaPlugins.onError(e);
}
}
@Override
public void dispose() {
DisposableHelper.dispose(this);
DisposableHelper.dispose(task);
if (fallback != null) {
DisposableHelper.dispose(fallback);
}
}
@Override
public boolean isDisposed() {
return DisposableHelper.isDisposed(get());
}
}
}
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