spring-batch JobLaunchingMessageHandler 源码

  • 2022-08-16
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spring-batch JobLaunchingMessageHandler 代码

文件路径:/spring-batch-integration/src/main/java/org/springframework/batch/integration/launch/JobLaunchingMessageHandler.java

/*
 * Copyright 2006-2013 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.batch.integration.launch;

import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobExecutionException;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.launch.JobLauncher;
import org.springframework.integration.annotation.ServiceActivator;

/**
 * Message handler which uses strategies to convert a Message into a job and a set of job
 * parameters
 *
 * @author Jonas Partner
 * @author Dave Syer
 * @author Gunnar Hillert
 *
 */
public class JobLaunchingMessageHandler implements JobLaunchRequestHandler {

	private final JobLauncher jobLauncher;

	/**
	 * @param jobLauncher {@link org.springframework.batch.core.launch.JobLauncher} used
	 * to execute Spring Batch jobs
	 */
	public JobLaunchingMessageHandler(JobLauncher jobLauncher) {
		super();
		this.jobLauncher = jobLauncher;
	}

	@ServiceActivator
	public JobExecution launch(JobLaunchRequest request) throws JobExecutionException {
		Job job = request.getJob();
		JobParameters jobParameters = request.getJobParameters();

		return jobLauncher.run(job, jobParameters);
	}

}

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