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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.observable;
import java.util.concurrent.atomic.*;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.internal.disposables.DisposableHelper;
import io.reactivex.rxjava3.observers.SerializedObserver;
public final class ObservableSampleWithObservable extends AbstractObservableWithUpstream {
final ObservableSource> other;
final boolean emitLast;
public ObservableSampleWithObservable(ObservableSource source, ObservableSource> other, boolean emitLast) {
super(source);
this.other = other;
this.emitLast = emitLast;
}
@Override
public void subscribeActual(Observer super T> t) {
SerializedObserver serial = new SerializedObserver<>(t);
if (emitLast) {
source.subscribe(new SampleMainEmitLast<>(serial, other));
} else {
source.subscribe(new SampleMainNoLast<>(serial, other));
}
}
abstract static class SampleMainObserver extends AtomicReference
implements Observer, Disposable {
private static final long serialVersionUID = -3517602651313910099L;
final Observer super T> downstream;
final ObservableSource> sampler;
final AtomicReference other = new AtomicReference<>();
Disposable upstream;
SampleMainObserver(Observer super T> actual, ObservableSource> other) {
this.downstream = actual;
this.sampler = other;
}
@Override
public void onSubscribe(Disposable d) {
if (DisposableHelper.validate(this.upstream, d)) {
this.upstream = d;
downstream.onSubscribe(this);
if (other.get() == null) {
sampler.subscribe(new SamplerObserver<>(this));
}
}
}
@Override
public void onNext(T t) {
lazySet(t);
}
@Override
public void onError(Throwable t) {
DisposableHelper.dispose(other);
downstream.onError(t);
}
@Override
public void onComplete() {
DisposableHelper.dispose(other);
completion();
}
boolean setOther(Disposable o) {
return DisposableHelper.setOnce(other, o);
}
@Override
public void dispose() {
DisposableHelper.dispose(other);
upstream.dispose();
}
@Override
public boolean isDisposed() {
return other.get() == DisposableHelper.DISPOSED;
}
public void error(Throwable e) {
upstream.dispose();
downstream.onError(e);
}
public void complete() {
upstream.dispose();
completion();
}
void emit() {
T value = getAndSet(null);
if (value != null) {
downstream.onNext(value);
}
}
abstract void completion();
abstract void run();
}
static final class SamplerObserver implements Observer
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