Examples of org.springframework.batch.core.launch.JobLauncher

Package org.springframework.batch.core.launch

Examples of org.springframework.batch.core.launch.JobLauncher

org.springframework.batch.core.launch.JobLauncher
Simple interface for controlling jobs, including possible ad-hoc executions, based on different runtime identifiers. It is extremely important to note that this interface makes absolutely no guarantees about whether or not calls to it are executed synchronously or asynchronously. The javadocs for specific implementations should be checked to ensure callers fully understand how the job will be run. @author Lucas Ward @author Dave Syer

  public static List<JobExecution> startJobs(ListableBeanFactory bf) {
    return startJobs(bf, new JobParameters());
  }


  public static List<JobExecution> startJobs(ListableBeanFactory bf, JobParameters params) {
    JobLauncher launcher = bf.getBean(JobLauncher.class);
    Map<String, Job> jobs = bf.getBeansOfType(Job.class);


    List<JobExecution> executions = new ArrayList<JobExecution>(jobs.size());
    for (Map.Entry<String, Job> entry : jobs.entrySet()) {
      RuntimeException e = null;
      try {
        JobExecution jobExec = launcher.run(entry.getValue(), params);
        executions.add(jobExec);
        if (jobExec.getStatus().equals(BatchStatus.FAILED)) {
          e = new BeanInitializationException("Failed executing job " + entry.getKey());
        }
      } catch (Exception ex) {

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    return executions;
  }


  public static JobExecution startJob(ListableBeanFactory lbf, String jobName) throws Exception {
    Job job = lbf.getBean(jobName, Job.class);
    JobLauncher launcher = lbf.getBean(JobLauncher.class);
    return launcher.run(job, new JobParameters());
  }

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  }


  @Test
  public void testWithinJob() throws Exception {
    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("/org/springframework/data/hadoop/fs/HdfsItemWriterTest-context.xml");
    JobLauncher launcher = context.getBean(JobLauncher.class);
    Job job = context.getBean(Job.class);


    JobParameters jobParameters = new JobParametersBuilder().toJobParameters();


    JobExecution execution = launcher.run(job, jobParameters);
    assertTrue("status was: " + execution.getStatus(), execution.getStatus() == BatchStatus.COMPLETED);
    context.close();
  }

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        // When
        template.sendBody("direct:launcherRefTest", "Start the job, please.");


        // Then
        SpringBatchEndpoint batchEndpoint = context().getEndpoint("spring-batch:mockJob?jobLauncherRef=alternativeJobLauncher", SpringBatchEndpoint.class);
        JobLauncher batchEndpointJobLauncher = (JobLauncher) FieldUtils.readField(batchEndpoint, "jobLauncher", true);
        assertSame(alternativeJobLauncher, batchEndpointJobLauncher);
    }

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        // When
        camelContext.start();


        // Then
        SpringBatchEndpoint batchEndpoint = camelContext.getEndpoint("spring-batch:mockJob", SpringBatchEndpoint.class);
        JobLauncher batchEndpointJobLauncher = (JobLauncher) FieldUtils.readField(batchEndpoint, "jobLauncher", true);
        assertSame(jobLauncher, batchEndpointJobLauncher);
    }

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            }
        });


        // Then
        SpringBatchEndpoint batchEndpoint = context().getEndpoint("customBatchComponent:mockJob", SpringBatchEndpoint.class);
        JobLauncher batchEndpointJobLauncher = (JobLauncher) FieldUtils.readField(batchEndpoint, "jobLauncher", true);
        assertSame(alternativeJobLauncher, batchEndpointJobLauncher);
    }

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        }
    }


    private JobLauncher resolveJobLauncher() {
        if (jobLauncherRef != null) {
            JobLauncher jobLauncher = getCamelContext().getRegistry().lookup(jobLauncherRef, JobLauncher.class);
            if (jobLauncher == null) {
                throw new IllegalStateException(String.format("No JobLauncher named %s found in the registry.", jobLauncherRef));
            }
            return jobLauncher;
        }

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        // When
        template.sendBody("direct:launcherRefTest", "Start the job, please.");


        // Then
        SpringBatchEndpoint batchEndpoint = context().getEndpoint("spring-batch:mockJob?jobLauncherRef=alternativeJobLauncher", SpringBatchEndpoint.class);
        JobLauncher batchEndpointJobLauncher = (JobLauncher) FieldUtils.readField(batchEndpoint, "jobLauncher", true);
        assertSame(alternativeJobLauncher, batchEndpointJobLauncher);
    }

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        // When
        camelContext.start();


        // Then
        SpringBatchEndpoint batchEndpoint = camelContext.getEndpoint("spring-batch:mockJob", SpringBatchEndpoint.class);
        JobLauncher batchEndpointJobLauncher = (JobLauncher) FieldUtils.readField(batchEndpoint, "jobLauncher", true);
        assertSame(jobLauncher, batchEndpointJobLauncher);
    }

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            }
        });


        // Then
        SpringBatchEndpoint batchEndpoint = context().getEndpoint("customBatchComponent:mockJob", SpringBatchEndpoint.class);
        JobLauncher batchEndpointJobLauncher = (JobLauncher) FieldUtils.readField(batchEndpoint, "jobLauncher", true);
        assertSame(alternativeJobLauncher, batchEndpointJobLauncher);
    }

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