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

    assertEquals("[step]", job.getStepNames().toString());
  }


  @Test
  public void testGetStepNotExists() 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();


    Step step = job.getStep("foo");
    assertNull(step);

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

    assertNull(step);
  }


  @Test
  public void testGetStepNotStepState() 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();


    Step step = job.getStep("end0");
    assertNull(step);

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

    assertNull(step);
  }


  @Test
  public void testGetStepNestedFlow() throws Exception {
    SimpleFlow nested = new JsrFlow("nested");
    List<StateTransition> transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step2")), "end1"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end1")));
    nested.setStateTransitions(transitions);
    nested.afterPropertiesSet();


    SimpleFlow flow = new JsrFlow("job");
    transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step1")), "nested"));
    transitions.add(StateTransition.createStateTransition(new FlowState(nested, "nested"), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow.setStateTransitions(transitions);
    flow.afterPropertiesSet();
    job.setFlow(flow);
    job.afterPropertiesSet();


    List<String> names = new ArrayList<String>(job.getStepNames());
    Collections.sort(names);

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

    assertEquals("[step1, step2]", names.toString());
  }


  @Test
  public void testGetStepSplitFlow() 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")), "end0"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end0")));
    flow1.setStateTransitions(new ArrayList<StateTransition>(transitions));
    flow1.afterPropertiesSet();
    transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new StepState(new StubStep("step2")), "end1"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end1")));
    flow2.setStateTransitions(new ArrayList<StateTransition>(transitions));
    flow2.afterPropertiesSet();


    transitions = new ArrayList<StateTransition>();
    transitions.add(StateTransition.createStateTransition(new SplitState(Arrays.<Flow> asList(flow1, flow2),
        "split"), "end2"));
    transitions.add(StateTransition.createEndStateTransition(new EndState(FlowExecutionStatus.COMPLETED, "end2")));

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

  @Override
  protected FlowExecutionStatus doAggregation(Collection<FlowExecution> results, FlowExecutor executor) {
    List<String> stepNames = new ArrayList<String>();


    for (Flow curFlow : getFlows()) {
      JsrFlow flow = (JsrFlow) curFlow;
      if(flow.getMostRecentStepName() != null) {
        stepNames.add(flow.getMostRecentStepName());
      }
    }


    if(!stepNames.isEmpty()) {
      executor.getJobExecution().getExecutionContext().put("batch.lastSteps", stepNames);

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