com.google.common.util.concurrent.WrappingScheduledExecutorService Maven / Gradle / Ivy
/*
* Copyright (C) 2013 The Guava Authors
*
* 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 com.google.common.util.concurrent;
import java.util.concurrent.Callable;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
/**
* An abstract {@code ScheduledExecutorService} that allows subclasses to
* {@linkplain #wrapTask(Callable) wrap} tasks before they are submitted to the underlying executor.
*
* Note that task wrapping may occur even if the task is never executed.
*
* @author Luke Sandberg
*/
abstract class WrappingScheduledExecutorService extends WrappingExecutorService
implements ScheduledExecutorService {
final ScheduledExecutorService delegate;
protected WrappingScheduledExecutorService(ScheduledExecutorService delegate) {
super(delegate);
this.delegate = delegate;
}
@Override
public final ScheduledFuture schedule(Runnable command, long delay, TimeUnit unit) {
return delegate.schedule(wrapTask(command), delay, unit);
}
@Override
public final ScheduledFuture schedule(Callable task, long delay, TimeUnit unit) {
return delegate.schedule(wrapTask(task), delay, unit);
}
@Override
public final ScheduledFuture scheduleAtFixedRate(
Runnable command, long initialDelay, long period, TimeUnit unit) {
return delegate.scheduleAtFixedRate(wrapTask(command), initialDelay, period, unit);
}
@Override
public final ScheduledFuture scheduleWithFixedDelay(
Runnable command, long initialDelay, long delay, TimeUnit unit) {
return delegate.scheduleWithFixedDelay(wrapTask(command), initialDelay, delay, unit);
}
}