[SPRING] Spring Batch 환경 설정

1. 환경셋팅 (https://spring.io/)

2. 메인 메서드 셋팅

3. 테이블 생성

4. 키값 설정

5. 실행 소스 및 실행 화면

import lombok.extern.slf4j.Slf4j;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
import org.springframework.batch.core.launch.support.RunIdIncrementer;
import org.springframework.batch.repeat.RepeatStatus;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
@Slf4j
public class HelloConfiguration {

    private final JobBuilderFactory jobBuilderFactory;
    private final StepBuilderFactory stepBuilderFactory;

    public HelloConfiguration(JobBuilderFactory jobBuilderFactory, StepBuilderFactory stepBuilderFactory) {
        this.jobBuilderFactory = jobBuilderFactory;
        this.stepBuilderFactory = stepBuilderFactory;
    }

    @Bean
    public Job helloJob() {
        return jobBuilderFactory.get("helloJob")
                .incrementer(new RunIdIncrementer()) // 자동 생성
                .start(this.helloStep())
                .build();
    }

    @Bean
    public Step helloStep() {
        return stepBuilderFactory.get("helloStep")
                .tasklet((contribution, chunkContext) -> {
                    log.info("hello spring batch");
                    return RepeatStatus.FINISHED;
                }).build();
    }
}