Examples of JsrFlow

org.springframework.batch.core.jsr.job.flow.support.JsrFlow
Implements JSR-352 specific logic around the execution of a flow. Specifically, this {@link Flow} implementation will attempt to find the next state based on the providedexit status. If none is found (the exit status isn't mapped), it will attempt to resolve the next state basing it on the last step's batch status. Only if both attempts fail, the flow will fail due to the inability to find the next state. @author Michael Minella @since 3.0

Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    job.setJobExplorer(jobExplorer);
  }


  @Test
  public void testGetSteps() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1")), "step2"));
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step2")), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow.setStateTransitions(transitions);
    flow.afterPropertiesSet();
    job.setFlow(flow);
    job.afterPropertiesSet();
    assertEquals(2, job.getStepNames().size());
  }

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(2, job.getStepNames().size());
  }


  @Test
  public void testTwoSteps() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1")), "step2"));
    StepState step2 = new StepState(new StubStep("step2"));
    transitions.add(StateTransition.createStateTransition(step2, ExitStatus.FAILED.getExitCode(), "end0"));
    transitions.add(StateTransition.createStateTransition(step2, ExitStatus.COMPLETED.getExitCode(), "end1"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.FAILED, "end0")));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end1")));
    flow.setStateTransitions(transitions);
    job.setFlow(flow);
    job.afterPropertiesSet();
    job.doExecute(jobExecution);
    StepExecution stepExecution = getStepExecution(jobExecution, "step2");
    assertEquals(ExitStatus.COMPLETED, stepExecution.getExitStatus());

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(2, jobExecution.getStepExecutions().size());
  }


  @Test
  public void testFailedStep() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StateSupport("step1", FlowExecutionStatus.FAILED),
        "step2"));
    StepState step2 = new StepState(new StubStep("step2"));
    transitions.add(StateTransition.createStateTransition(step2, ExitStatus.FAILED.getExitCode(), "end0"));
    transitions.add(StateTransition.createStateTransition(step2, ExitStatus.COMPLETED.getExitCode(), "end1"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.FAILED, "end0")));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end1")));
    flow.setStateTransitions(transitions);
    job.setFlow(flow);
    job.afterPropertiesSet();
    job.doExecute(jobExecution);
    StepExecution stepExecution = getStepExecution(jobExecution, "step2");
    assertEquals(ExitStatus.COMPLETED, stepExecution.getExitStatus());

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(2, jobExecution.getStepExecutions().size());
  }


  @Test
  public void testFailedStepRestarted() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1")), "step2"));
    State step2State = new StateSupport("step2") {
      @Override
      public FlowExecutionStatus handle(FlowExecutor executor) throws Exception {
        JobExecution jobExecution = executor.getJobExecution();
        StepExecution stepExecution = jobExecution.createStepExecution(getName());
        jobRepository.add(stepExecution);
        if (fail) {
          return FlowExecutionStatus.FAILED;
        }
        else {
          return FlowExecutionStatus.COMPLETED;
        }
      }
    };
    transitions.add(StateTransition.createStateTransition(step2State, ExitStatus.COMPLETED.getExitCode(), "end0"));
    transitions.add(StateTransition.createStateTransition(step2State, ExitStatus.FAILED.getExitCode(), "end1"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.FAILED, "end1")));
    flow.setStateTransitions(transitions);
    job.setFlow(flow);
    job.afterPropertiesSet();
    fail = true;
    job.execute(jobExecution);
    assertEquals(ExitStatus.FAILED, jobExecution.getExitStatus());

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(1, jobExecution.getStepExecutions().size());
  }


  @Test
  public void testStoppingStep() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1")), "step2"));
    State state2 = new StateSupport("step2", FlowExecutionStatus.FAILED);
    transitions.add(StateTransition.createStateTransition(state2, ExitStatus.FAILED.getExitCode(), "end0"));
    transitions.add(StateTransition.createStateTransition(state2, ExitStatus.COMPLETED.getExitCode(), "end1"));
    transitions.add(StateTransition.createStateTransition(new EndState(FlowExecutionStatus.STOPPED, "end0"),
        "step3"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end1")));
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step3")), "end2"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end2")));
    flow.setStateTransitions(transitions);
    job.setFlow(flow);
    job.afterPropertiesSet();
    job.doExecute(jobExecution);
    assertEquals(2, jobExecution.getStepExecutions().size());
    assertEquals(BatchStatus.STOPPED, jobExecution.getStatus());

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(BatchStatus.STOPPED, jobExecution.getStatus());
  }


  @Test
  public void testInterrupted() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1") {
      @Override
      public void execute(StepExecution stepExecution) throws JobInterruptedException {
        stepExecution.setStatus(BatchStatus.STOPPING);
        jobRepository.update(stepExecution);
      }
    }), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow.setStateTransitions(transitions);
    flow.afterPropertiesSet();
    job.setFlow(flow);
    job.afterPropertiesSet();
    job.execute(jobExecution);
    assertEquals(BatchStatus.STOPPED, jobExecution.getStatus());
    checkRepository(BatchStatus.STOPPED, ExitStatus.STOPPED);

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(JobInterruptedException.class, jobExecution.getFailureExceptions().get(0).getClass());
  }


  @Test
  public void testUnknownStatusStopsJob() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1") {
      @Override
      public void execute(StepExecution stepExecution) throws JobInterruptedException {
        stepExecution.setStatus(BatchStatus.UNKNOWN);
        stepExecution.setTerminateOnly();
        jobRepository.update(stepExecution);
      }
    }), "step2"));
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step2")), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow.setStateTransitions(transitions);
    flow.afterPropertiesSet();
    job.setFlow(flow);
    job.afterPropertiesSet();
    job.execute(jobExecution);
    assertEquals(BatchStatus.UNKNOWN, jobExecution.getStatus());
    checkRepository(BatchStatus.UNKNOWN, ExitStatus.STOPPED);

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(JobInterruptedException.class, jobExecution.getFailureExceptions().get(0).getClass());
  }


  @Test
  public void testInterruptedSplit() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    SimpleFlow flow1 = new JsrFlow("flow1");
    SimpleFlow flow2 = new JsrFlow("flow2");


    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1") {
      @Override
      public void execute(StepExecution stepExecution) throws JobInterruptedException {
        if (!stepExecution.getJobExecution().getExecutionContext().containsKey("STOPPED")) {
          stepExecution.getJobExecution().getExecutionContext().put("STOPPED", true);
          stepExecution.setStatus(BatchStatus.STOPPED);
          jobRepository.update(stepExecution);
        }
        else {
          fail("The Job should have stopped by now");
        }
      }
    }), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow1.setStateTransitions(new ArrayList<StateTransition>(transitions));
    flow1.afterPropertiesSet();
    flow2.setStateTransitions(new ArrayList<StateTransition>(transitions));
    flow2.afterPropertiesSet();


    transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new SplitState(Arrays.<Flow> asList(flow1, flow2),
        "split"), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    }
  }


  @Test
  public void testInterruptedException() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1") {
      @Override
      public void execute(StepExecution stepExecution) throws JobInterruptedException {
        throw new JobInterruptedException("Stopped");
      }
    }), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow.setStateTransitions(transitions);
    flow.afterPropertiesSet();
    job.setFlow(flow);
    job.afterPropertiesSet();
    job.execute(jobExecution);
    assertEquals(BatchStatus.STOPPED, jobExecution.getStatus());
    checkRepository(BatchStatus.STOPPED, ExitStatus.STOPPED);

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Examples of org.springframework.batch.core.jsr.job.flow.support.JsrFlow

    assertEquals(JobInterruptedException.class, jobExecution.getFailureExceptions().get(0).getClass());
  }


  @Test
  public void testInterruptedSplitException() throws Exception {
    SimpleFlow flow = new JsrFlow("job");
    SimpleFlow flow1 = new JsrFlow("flow1");
    SimpleFlow flow2 = new JsrFlow("flow2");


    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1") {
      @Override
      public void execute(StepExecution stepExecution) throws JobInterruptedException {
        throw new JobInterruptedException("Stopped");
      }
    }), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow1.setStateTransitions(new ArrayList<StateTransition>(transitions));
    flow1.afterPropertiesSet();
    flow2.setStateTransitions(new ArrayList<StateTransition>(transitions));
    flow2.afterPropertiesSet();


    transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new SplitState(Arrays.<Flow> asList(flow1, flow2),
        "split"), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));

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