/**
* 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.disposables;
import java.util.concurrent.
Future;
import java.util.concurrent.atomic.
AtomicReference;
/**
* A Disposable container that cancels a Future instance.
*/
final class
FutureDisposable extends
AtomicReference<
Future<?>> implements
Disposable {
private static final long
serialVersionUID = 6545242830671168775L;
private final boolean
allowInterrupt;
FutureDisposable(
Future<?>
run, boolean
allowInterrupt) {
super(
run);
this.
allowInterrupt =
allowInterrupt;
}
@
Override
public boolean
isDisposed() {
Future<?>
f =
get();
return
f == null ||
f.
isDone();
}
@
Override
public void
dispose() {
Future<?>
f =
getAndSet(null);
if (
f != null) {
f.
cancel(
allowInterrupt);
}
}
}