/**
* 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.operators.completable;
import java.util.concurrent.atomic.
AtomicReference;
import io.reactivex.*;
import io.reactivex.disposables.
Disposable;
import io.reactivex.internal.disposables.*;
public final class
CompletableSubscribeOn extends
Completable {
final
CompletableSource source;
final
Scheduler scheduler;
public
CompletableSubscribeOn(
CompletableSource source,
Scheduler scheduler) {
this.
source =
source;
this.
scheduler =
scheduler;
}
@
Override
protected void
subscribeActual(final
CompletableObserver observer) {
final
SubscribeOnObserver parent = new
SubscribeOnObserver(
observer,
source);
observer.
onSubscribe(
parent);
Disposable f =
scheduler.
scheduleDirect(
parent);
parent.
task.
replace(
f);
}
static final class
SubscribeOnObserver
extends
AtomicReference<
Disposable>
implements
CompletableObserver,
Disposable,
Runnable {
private static final long
serialVersionUID = 7000911171163930287L;
final
CompletableObserver downstream;
final
SequentialDisposable task;
final
CompletableSource source;
SubscribeOnObserver(
CompletableObserver actual,
CompletableSource source) {
this.
downstream =
actual;
this.
source =
source;
this.
task = new
SequentialDisposable();
}
@
Override
public void
run() {
source.
subscribe(this);
}
@
Override
public void
onSubscribe(
Disposable d) {
DisposableHelper.
setOnce(this,
d);
}
@
Override
public void
onError(
Throwable e) {
downstream.
onError(
e);
}
@
Override
public void
onComplete() {
downstream.
onComplete();
}
@
Override
public void
dispose() {
DisposableHelper.
dispose(this);
task.
dispose();
}
@
Override
public boolean
isDisposed() {
return
DisposableHelper.
isDisposed(
get());
}
}
}