001/* 002 * Copyright 2012-2013 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.springframework.batch.core.configuration.annotation; 017 018import org.springframework.batch.core.configuration.support.ApplicationContextFactory; 019import org.springframework.batch.core.configuration.support.AutomaticJobRegistrar; 020import org.springframework.batch.core.configuration.support.DefaultJobLoader; 021import org.springframework.batch.core.explore.JobExplorer; 022import org.springframework.batch.core.launch.JobLauncher; 023import org.springframework.batch.core.repository.JobRepository; 024import org.springframework.beans.factory.annotation.Autowired; 025import org.springframework.context.ApplicationContext; 026import org.springframework.context.annotation.Bean; 027import org.springframework.context.annotation.Configuration; 028import org.springframework.transaction.PlatformTransactionManager; 029 030import java.util.Collection; 031 032/** 033 * Base {@code Configuration} class providing common structure for enabling and using Spring Batch. Customization is 034 * available by implementing the {@link BatchConfigurer} interface. 035 * 036 * @author Dave Syer 037 * @since 2.2 038 * @see EnableBatchProcessing 039 */ 040@Configuration 041public class ModularBatchConfiguration extends AbstractBatchConfiguration { 042 043 @Autowired 044 private ApplicationContext context; 045 046 @Autowired(required = false) 047 private Collection<BatchConfigurer> configurers; 048 049 private AutomaticJobRegistrar registrar = new AutomaticJobRegistrar(); 050 051 @Override 052 @Bean 053 public JobRepository jobRepository() throws Exception { 054 return getConfigurer(configurers).getJobRepository(); 055 } 056 057 @Override 058 @Bean 059 public JobLauncher jobLauncher() throws Exception { 060 return getConfigurer(configurers).getJobLauncher(); 061 } 062 063 @Override 064 @Bean 065 public PlatformTransactionManager transactionManager() throws Exception { 066 return getConfigurer(configurers).getTransactionManager(); 067 } 068 069 @Override 070 @Bean 071 public JobExplorer jobExplorer() throws Exception { 072 return getConfigurer(configurers).getJobExplorer(); 073 } 074 075 @Bean 076 public AutomaticJobRegistrar jobRegistrar() throws Exception { 077 registrar.setJobLoader(new DefaultJobLoader(jobRegistry())); 078 for (ApplicationContextFactory factory : context.getBeansOfType(ApplicationContextFactory.class).values()) { 079 registrar.addApplicationContextFactory(factory); 080 } 081 return registrar; 082 } 083 084}