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.subscribers;
import java.util.concurrent.atomic.AtomicReference;
import org.reactivestreams.*;
import io.reactivex.FlowableSubscriber;
import io.reactivex.disposables.Disposable;
import io.reactivex.internal.disposables.DisposableHelper;
import io.reactivex.internal.subscriptions.SubscriptionHelper;
public final class SubscriberResourceWrapper<T> extends AtomicReference<Disposable> implements FlowableSubscriber<T>, Disposable, Subscription {
private static final long serialVersionUID = -8612022020200669122L;
final Subscriber<? super T> downstream;
final AtomicReference<Subscription> upstream = new AtomicReference<Subscription>();
public SubscriberResourceWrapper(Subscriber<? super T> downstream) {
this.downstream = downstream;
}
@Override
public void onSubscribe(Subscription s) {
if (SubscriptionHelper.setOnce(upstream, s)) {
downstream.onSubscribe(this);
}
}
@Override
public void onNext(T t) {
downstream.onNext(t);
}
@Override
public void onError(Throwable t) {
DisposableHelper.dispose(this);
downstream.onError(t);
}
@Override
public void onComplete() {
DisposableHelper.dispose(this);
downstream.onComplete();
}
@Override
public void request(long n) {
if (SubscriptionHelper.validate(n)) {
upstream.get().request(n);
}
}
@Override
public void dispose() {
SubscriptionHelper.cancel(upstream);
DisposableHelper.dispose(this);
}
@Override
public boolean isDisposed() {
return upstream.get() == SubscriptionHelper.CANCELLED;
}
@Override
public void cancel() {
dispose();
}
public void setResource(Disposable resource) {
DisposableHelper.set(this, resource);
}
}