spring DelegatingJob 源码
spring DelegatingJob 代码
文件路径：/spring-context-support/src/main/java/org/springframework/scheduling/quartz/DelegatingJob.java
/*
* Copyright 2002-2012 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
*
* https://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.quartz;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.springframework.util.Assert;
/**
* Simple Quartz {@link org.quartz.Job} adapter that delegates to a
* given {@link java.lang.Runnable} instance.
*
* <p>Typically used in combination with property injection on the
* Runnable instance, receiving parameters from the Quartz JobDataMap
* that way instead of via the JobExecutionContext.
*
* @author Juergen Hoeller
* @since 2.0
* @see SpringBeanJobFactory
* @see org.quartz.Job#execute(org.quartz.JobExecutionContext)
*/
public class DelegatingJob implements Job {
private final Runnable delegate;
/**
* Create a new DelegatingJob.
* @param delegate the Runnable implementation to delegate to
*/
public DelegatingJob(Runnable delegate) {
Assert.notNull(delegate, "Delegate must not be null");
this.delegate = delegate;
}
/**
* Return the wrapped Runnable implementation.
*/
public final Runnable getDelegate() {
return this.delegate;
}
/**
* Delegates execution to the underlying Runnable.
*/
@Override
public void execute(JobExecutionContext context) throws JobExecutionException {
this.delegate.run();
}
}
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