如何在Spring Batch中创建动态步骤

@Configuration
@EnableBatchProcessing
public class BatchConfiguration {

    @Autowired
    private JobBuilderFactory jobBuilderFactory;

    @Autowired
    private StepBuilderFactory stepBuilderFactory;

    @Bean
    public Job myJob() {
        return jobBuilderFactory.get("myJob")
                .start(firstStep())
                .next(decision())
                .from(decision()).on("YES").to(secondStep())
                .from(decision()).on("NO").to(thirdStep())
                .end()
                .build();
    }

    @Bean
    public Step firstStep() {
        return stepBuilderFactory.get("firstStep")
                .tasklet((contribution, chunkContext) -> {
                    // 第一个步骤的任务逻辑
                    return RepeatStatus.FINISHED;
                })
                .build();
    }

    @Bean
    public Step secondStep() {
        return stepBuilderFactory.get("secondStep")
                .tasklet((contribution, chunkContext) -> {
                    // 第二个步骤的任务逻辑
                    return RepeatStatus.FINISHED;
                })
                .build();
    }

    @Bean
    public Step thirdStep() {
        return stepBuilderFactory.get("thirdStep")
                .tasklet((contribution, chunkContext) -> {
                    // 第三个步骤的任务逻辑
                    return RepeatStatus.FINISHED;
                })
                .build();
    }

    @Bean
    public JobExecutionDecider decision() {
        return new JobExecutionDecider() {
            @Override
            public FlowExecutionStatus decide(JobExecution jobExecution, StepExecution stepExecution) {
                // 根据条件判断选择执行不同的步骤
                if (someCondition) {
                    return new FlowExecutionStatus("YES");
                } else {
                    return new FlowExecutionStatus("NO");
                }
            }
        };
    }
}