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/*
 * 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.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.
 *
 * 

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, * converting any Exception thrown to a Quartz JobExecutionException * (as required by the Job contract). */ public void execute(JobExecutionContext context) throws JobExecutionException { try { this.delegate.run(); } catch (Exception ex) { throw new JobExecutionException(ex); } } }





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