rx.internal.subscriptions.CancellableSubscription Maven / Gradle / Ivy
The newest version!
/**
* Copyright 2016 Netflix, Inc.
*
* 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 rx.internal.subscriptions;
import java.util.concurrent.atomic.AtomicReference;
import rx.Subscription;
import rx.exceptions.Exceptions;
import rx.functions.Cancellable;
import rx.plugins.RxJavaHooks;
/**
* A Subscription that wraps an Cancellable instance.
*/
public final class CancellableSubscription
extends AtomicReference
implements Subscription {
/** */
private static final long serialVersionUID = 5718521705281392066L;
public CancellableSubscription(Cancellable cancellable) {
super(cancellable);
}
@Override
public boolean isUnsubscribed() {
return get() == null;
}
@Override
public void unsubscribe() {
if (get() != null) {
Cancellable c = getAndSet(null);
if (c != null) {
try {
c.cancel();
} catch (Exception ex) {
Exceptions.throwIfFatal(ex);
RxJavaHooks.onError(ex);
}
}
}
}
}