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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 org.reactivestreams.*;
import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.internal.subscriptions.SubscriptionHelper;
public final class ObservableFromPublisher extends Observable {
final Publisher extends T> source;
public ObservableFromPublisher(Publisher extends T> publisher) {
this.source = publisher;
}
@Override
protected void subscribeActual(final Observer super T> o) {
source.subscribe(new PublisherSubscriber(o));
}
static final class PublisherSubscriber
implements FlowableSubscriber, Disposable {
final Observer super T> downstream;
Subscription upstream;
PublisherSubscriber(Observer super T> o) {
this.downstream = o;
}
@Override
public void onComplete() {
downstream.onComplete();
}
@Override
public void onError(Throwable t) {
downstream.onError(t);
}
@Override
public void onNext(T t) {
downstream.onNext(t);
}
@Override
public void onSubscribe(Subscription s) {
if (SubscriptionHelper.validate(this.upstream, s)) {
this.upstream = s;
downstream.onSubscribe(this);
s.request(Long.MAX_VALUE);
}
}
@Override
public void dispose() {
upstream.cancel();
upstream = SubscriptionHelper.CANCELLED;
}
@Override
public boolean isDisposed() {
return upstream == SubscriptionHelper.CANCELLED;
}
}
}
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