Spring Batch基础架构使用JavaConfig Beans而不是@EnableBatchProcess定义

Question

我使用Spring Batch 4.3.2。我需要为JobLauncher定义一个TaskExecutor。由于我不想启用bean覆盖，使用DefaultBatchConfigurer的解决方案不适用。我最终得到了下面的bean，自己定义了所有bean。我的问题是：

1. 除了我的解决方案，你还有别的解决方案吗
2. 豆子的定义正确吗

谢谢你的帮助！干杯

 @Bean
public JobBuilderFactory jobBuilderFactory(JobRepository jobRepository) {
    return new JobBuilderFactory(jobRepository);
}

@Bean
public StepBuilderFactory stepBuilderFactory(JobRepository jobRepository, PlatformTransactionManager transactionManager) {
    return new StepBuilderFactory(jobRepository, transactionManager);
}

@Bean
public JobRegistry jobRegistry() {
    return new MapJobRegistry();
}

@Bean
public JobRepository createJobRepository(DataSource dataSource, PlatformTransactionManager transactionManager) throws Exception {
    JobRepositoryFactoryBean factory = new JobRepositoryFactoryBean();
    factory.setDataSource(dataSource);
    factory.setTransactionManager(transactionManager);
    factory.afterPropertiesSet();
    return factory.getObject();
}

@Bean
public JobExplorer createJobExplorer(DataSource dataSource) throws Exception {
    JobExplorerFactoryBean jobExplorerFactoryBean = new JobExplorerFactoryBean();
    jobExplorerFactoryBean.setDataSource(dataSource);
    jobExplorerFactoryBean.afterPropertiesSet();
    return jobExplorerFactoryBean.getObject();
}

@Bean
public JobLauncher jobLauncher(ThreadPoolTaskExecutor taskExecutor, JobRepository jobRepository) throws Exception {
    SimpleJobLauncher jobLauncher = new SimpleJobLauncher();
    jobLauncher.setJobRepository(jobRepository);
    jobLauncher.setTaskExecutor(taskExecutor);
    jobLauncher.afterPropertiesSet();
    return jobLauncher;
}

@Bean
public ThreadPoolTaskExecutor msBatchTaskExecutor() {
    ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
    taskExecutor.setCorePoolSize(5);
    taskExecutor.setMaxPoolSize(50);
    taskExecutor.setQueueCapacity(50);
    return taskExecutor;
}

Answer 1

如果您不想使用@EnableBatchProcessing，那么Java配置的方法就是手动定义基础结构bean。

请注意，这也是XML配置的工作方式，您需要手动定义架构体系bean，因为XML中没有@EnableBatchProcess的等价物（它有一个开放的功能请求）。