org.springframework.batch.integration.launch.JobLaunchingMessageHandler.java Source code

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/*
 * 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);
    }

}