org.springframework.batch.core.configuration.support.ApplicationContextJobFactory Maven / Gradle / Ivy
/*
* 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.core.configuration.support;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.configuration.JobFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;
/**
* A {@link JobFactory} that creates its own {@link ApplicationContext} and
* pulls a bean out when asked to create a {@link Job}.
*
* @author Dave Syer
*
*/
public class ApplicationContextJobFactory implements JobFactory {
private final Job job;
/**
* @param jobName the id of the {@link Job} in the application context to be
* created
* @param applicationContextFactory a factory for an application context
* containing a job with the job name provided
*/
public ApplicationContextJobFactory(String jobName, ApplicationContextFactory applicationContextFactory) {
@SuppressWarnings("resource")
ConfigurableApplicationContext context = applicationContextFactory.createApplicationContext();
this.job = context.getBean(jobName, Job.class);
}
/**
* Create an {@link ApplicationContext} from the factory provided and pull
* out a bean with the name given during initialization.
*
* @see org.springframework.batch.core.configuration.JobFactory#createJob()
*/
@Override
public final Job createJob() {
return job;
}
/**
* Just return the name of instance passed in on initialization.
*
* @see JobFactory#getJobName()
*/
@Override
public String getJobName() {
return job.getName();
}
}