인프런 커뮤니티 질문&답변

안녕하세요, 강사님!

job > flow > step으로 구성되어 있는데 flow위에 jobparameters를 사용하기 위해서는 어떤 scope를 정의해줘야 하나요? step scope is not active라고 자꾸 오류가 나네요.

강의를 봐도 잘 이해가 안 가서요. 아직 제가 개념이 덜 잡혔나봅니다. ㅠㅠ

답변 감사드립니다!

코드입니다!

@Slf4j
@Getter
@NoArgsConstructor
public class CreateDateJobParameter {

  private String startDate;
  private String endDate;

  @Value("#{jobParameters[startDate]}")
  public void setStartDate(String startDate) {
    this.startDate = startDate;
  }

  @Value("#{jobParameters[endDate]}")
  public void setEndDate(String endDate) {
    this.endDate = endDate;
  }
}

@Slf4j
@RequiredArgsConstructor
@Configuration
public class OrderProcessingJobConfiguration {

  private final JobBuilderFactory jobBuilderFactory;
  private final StepBuilderFactory stepBuilderFactory;
  private final CreateDateJobParameter jobParameterCreator;

  @JobScope
  @Bean
  public CreateDateJobParameter jobParameterCreator() {
    return new CreateDateJobParameter();
  }


  @Bean
  public Job orderProcessingJob() {
    return jobBuilderFactory.get("orderProcessingJob")
        .incrementer(new UniqueRunIdIncrementer())
        .start(fetchOrderDataFlow())
        .next(getOrderListFlow())
        .split(taskExecutor())
        .add()
        .end()
        .build();
  }

  @Bean
  @StepScope
  public Flow fetchOrderDataFlow() {
    log.debug(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>fetchOrderDataFlow");
    Flow flow1 = new FlowBuilder<Flow>("flow1")
        .start(fetchOrderDataStep1())
        .build();
    Flow flow2 = new FlowBuilder<Flow>("flow2")
        .start(fetchOrderDataStep2())
        .build();
    Flow flow3 = new FlowBuilder<Flow>("flow3")
        .start(fetchOrderDataStep3())
        .build();
    Flow flow4 = new FlowBuilder<Flow>("flow4")
        .start(fetchOrderDataStep4())
        .build();
    Flow flow5 = new FlowBuilder<Flow>("flow5")
        .start(fetchOrderDataStep5())
        .build();

    FlowBuilder<SimpleFlow> flowBuilder = new FlowBuilder<>("fetchOrderDataFlow");
    flowBuilder.split(taskExecutor())
        .add(flow1, flow2, flow3, flow4, flow5);
    return flowBuilder.build();
  }

  @Bean
  public Step fetchOrderDataStep1() {
    return createFetchOrderDataStep("fetchOrderDataStep1", "store1", jobParameterCreator.getStartDate(), jobParameterCreator.getEndDate());
  }
...
}