rx.internal.operators.OnSubscribeTimerOnce Maven / Gradle / Ivy
/**
* Copyright 2014 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.operators;
import java.util.concurrent.TimeUnit;
import rx.*;
import rx.Observable.OnSubscribe;
import rx.Scheduler.Worker;
import rx.exceptions.Exceptions;
import rx.functions.Action0;
/**
* Timer that emits a single 0L and completes after the specified time.
* @see MSDN Observable.Timer
*/
public final class OnSubscribeTimerOnce implements OnSubscribe {
final long time;
final TimeUnit unit;
final Scheduler scheduler;
public OnSubscribeTimerOnce(long time, TimeUnit unit, Scheduler scheduler) {
this.time = time;
this.unit = unit;
this.scheduler = scheduler;
}
@Override
public void call(final Subscriber super Long> child) {
Worker worker = scheduler.createWorker();
child.add(worker);
worker.schedule(new Action0() {
@Override
public void call() {
try {
child.onNext(0L);
} catch (Throwable t) {
Exceptions.throwOrReport(t, child);
return;
}
child.onCompleted();
}
}, time, unit);
}
}
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