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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.maybe;
import java.util.concurrent.atomic.AtomicReference;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.internal.disposables.DisposableHelper;
/**
* Signals the onSuccess, onError or onComplete events on a the specific scheduler.
*
* @param the value type delivered
*/
public final class MaybeObserveOn extends AbstractMaybeWithUpstream {
final Scheduler scheduler;
public MaybeObserveOn(MaybeSource source, Scheduler scheduler) {
super(source);
this.scheduler = scheduler;
}
@Override
protected void subscribeActual(MaybeObserver super T> observer) {
source.subscribe(new ObserveOnMaybeObserver<>(observer, scheduler));
}
static final class ObserveOnMaybeObserver
extends AtomicReference
implements MaybeObserver, Disposable, Runnable {
private static final long serialVersionUID = 8571289934935992137L;
final MaybeObserver super T> downstream;
final Scheduler scheduler;
T value;
Throwable error;
ObserveOnMaybeObserver(MaybeObserver super T> actual, Scheduler scheduler) {
this.downstream = actual;
this.scheduler = scheduler;
}
@Override
public void dispose() {
DisposableHelper.dispose(this);
}
@Override
public boolean isDisposed() {
return DisposableHelper.isDisposed(get());
}
@Override
public void onSubscribe(Disposable d) {
if (DisposableHelper.setOnce(this, d)) {
downstream.onSubscribe(this);
}
}
@Override
public void onSuccess(T value) {
this.value = value;
DisposableHelper.replace(this, scheduler.scheduleDirect(this));
}
@Override
public void onError(Throwable e) {
this.error = e;
DisposableHelper.replace(this, scheduler.scheduleDirect(this));
}
@Override
public void onComplete() {
DisposableHelper.replace(this, scheduler.scheduleDirect(this));
}
@Override
public void run() {
Throwable ex = error;
if (ex != null) {
error = null;
downstream.onError(ex);
} else {
T v = value;
if (v != null) {
value = null;
downstream.onSuccess(v);
} else {
downstream.onComplete();
}
}
}
}
}
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