org.springframework.scheduling.commonj.DelegatingWork Maven / Gradle / Ivy
/*
* Copyright 2002-2006 the original author or 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 org.springframework.scheduling.commonj;
import commonj.work.Work;
import org.springframework.scheduling.SchedulingAwareRunnable;
import org.springframework.util.Assert;
/**
* Simple Work adapter that delegates to a given Runnable.
*
* @author Juergen Hoeller
* @since 2.0
* @see commonj.work.Work
* @see java.lang.Runnable
*/
public class DelegatingWork implements Work {
private final Runnable runnable;
/**
* Create a new DelegatingWork, assuming non-daemon status.
* @param work the Runnable implementation to delegate to
* (may be a SchedulingAwareRunnable for extended support)
* @see org.springframework.scheduling.SchedulingAwareRunnable
* @see #isDaemon()
*/
public DelegatingWork(Runnable work) {
Assert.notNull(work, "Runnable is required");
this.runnable = work;
}
/**
* Delegates execution to the underlying Runnable.
*/
public void run() {
this.runnable.run();
}
/**
* This implementation delegates to SchedulingAwareRunnable.isLongLived()
,
* if available.
* @see org.springframework.scheduling.SchedulingAwareRunnable#isLongLived()
*/
public boolean isDaemon() {
if (this.runnable instanceof SchedulingAwareRunnable) {
return ((SchedulingAwareRunnable) this.runnable).isLongLived();
}
return false;
}
/**
* This implementation is empty, since we expect the Runnable
* to terminate based on some specific shutdown signal.
*/
public void release() {
}
}