SpringBatch Job的创建

最新推荐文章于 2023-11-24 15:07:29 发布

孤.独

最新推荐文章于 2023-11-24 15:07:29 发布

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分类专栏： java 文章标签： spring

本文链接：https://blog.youkuaiyun.com/weixin_44052919/article/details/119147306

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本文介绍了一个使用Spring Batch框架实现的示例任务，该任务由三个步骤组成，每个步骤通过Tasklet进行定义并执行特定的操作。

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Job的创建和使用

这是一个包含三个step的job 这段不用复制

@Bean
    public Job jobDemoJob(){
        return  jobBuilderFactory.get("JobDemo")
                .start(steptset1())
                .next(steptest2())
                .next(steptest3())
                .build();
    }


import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.StepContribution;
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;

import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
import org.springframework.batch.core.scope.context.ChunkContext;
import org.springframework.batch.core.step.tasklet.Tasklet;
import org.springframework.batch.repeat.RepeatStatus;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
@EnableBatchProcessing
public class JobDemo {
    @Autowired
    private JobBuilderFactory jobBuilderFactory;
    @Autowired
    private StepBuilderFactory stepBuilderFactory;
    @Bean
    public Job jobDemoJob(){
        return  jobBuilderFactory.get("JobDemo")
                .start(steptset1())
                .next(steptest2())
                .next(steptest3())
                .build();
    }
    @Bean
    public Step steptset1() {
        return stepBuilderFactory.get("steptest1").tasklet(new Tasklet() {
            @Override
            public RepeatStatus execute(StepContribution stepContribution, ChunkContext chunkContext) throws Exception {
                System.out.println("steptest1");
                return RepeatStatus.FINISHED;
            }
        }).build();
    }
    @Bean
    public Step steptest2() {
        return stepBuilderFactory.get("steptest2").tasklet(new Tasklet() {
            @Override
            public RepeatStatus execute(StepContribution stepContribution, ChunkContext chunkContext) throws Exception {
                System.out.println("steptest2");
                return RepeatStatus.FINISHED;
            }
        }).build();
    }

    @Bean
    public Step steptest3() {
        return stepBuilderFactory.get("steptest3").tasklet(new Tasklet() {
            @Override
            public RepeatStatus execute(StepContribution stepContribution, ChunkContext chunkContext) throws Exception {
                System.out.println("steptest3");
                return RepeatStatus.FINISHED;
            }
        }).build();
    }



}