rx.schedulers.SleepingAction 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.schedulers;
import rx.Scheduler;
import rx.functions.Action0;
/* package */class SleepingAction implements Action0 {
private final Action0 underlying;
private final Scheduler.Worker innerScheduler;
private final long execTime;
public SleepingAction(Action0 underlying, Scheduler.Worker scheduler, long execTime) {
this.underlying = underlying;
this.innerScheduler = scheduler;
this.execTime = execTime;
}
@Override
public void call() {
if (innerScheduler.isUnsubscribed()) {
return;
}
if (execTime > innerScheduler.now()) {
long delay = execTime - innerScheduler.now();
if (delay > 0) {
try {
Thread.sleep(delay);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}
}
}
// after waking up check the subscription
if (innerScheduler.isUnsubscribed()) {
return;
}
underlying.call();
}
}