Example usage for org.springframework.batch.core.job SimpleJob addStep

Introduction

In this page you can find the example usage for org.springframework.batch.core.job SimpleJob addStep.

Prototype

public void addStep(Step step) 

Source Link

Document

Convenience method for adding a single step to the job.

Usage

From source file:org.springframework.data.hadoop.admin.util.HadoopWorkflowUtils.java

/**
 * create and register Spring Batch job/*from w  w  w . j a v  a  2s .  co m*/
 * 
 * @param context root application context
 * @param artifacts workflow artifacts which include workflow descriptor and class loader information.
 * @throws Exception
 */
public static void createAndRegisterSpringBatchJob(ApplicationContext context,
        final WorkflowArtifacts artifacts) throws SpringHadoopAdminWorkflowException {
    if (context == null) {
        logger.warn("root applicaton context is null");
        throw new SpringHadoopAdminWorkflowException("root applicaton context is null");
    }
    String workflowDescriptor = getWorkflowDescriptor(artifacts);
    logger.info("create spring batch job:" + workflowDescriptor + ", classloader:"
            + artifacts.getWorkflowClassLoader());

    final FileSystemXmlApplicationContext ctx = new FileSystemXmlApplicationContext();
    ctx.setClassLoader(artifacts.getWorkflowClassLoader());
    ctx.setConfigLocation(HadoopWorkflowUtils.fileURLPrefix + workflowDescriptor);

    try {
        SimpleJob job = new SimpleJob(generateSpringBatchJobName(artifacts));
        TaskletStep step = new TaskletStep(springHadoopTaskName);
        SimpleSpringHadoopTasklet tasklet = new SimpleSpringHadoopTasklet();
        tasklet.setContext(ctx);
        step.setTasklet(tasklet);
        JobRepository jobRepository = context.getBean(JobRepository.class);
        DataSourceTransactionManager transactionManager = context.getBean("transactionManager",
                DataSourceTransactionManager.class);
        step.setTransactionManager(transactionManager);
        step.setJobRepository(jobRepository);
        step.afterPropertiesSet();
        job.addStep(step);
        JobRegistry jobRegistry = context.getBean("jobRegistry", JobRegistry.class);
        job.setJobRepository(jobRepository);
        job.afterPropertiesSet();
        JobFactory jobFactory = new ReferenceJobFactory(job);
        jobRegistry.register(jobFactory);
    } catch (Exception e) {
        logger.warn("create and register Spring Batch Job failed");
        throw new SpringHadoopAdminWorkflowException("create and register Spring Batch Job failed", e);
    }
}

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