#11 spring batch: JobBuilderFactory

spring-batch/basic/src/main/java/io/springbatch/basic/job/JobBuilderFactoryConfiguration.java

@@ -0,0 +1,105 @@
+package io.springbatch.basic.job;
+
+import lombok.RequiredArgsConstructor;
+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.job.builder.FlowBuilder;
+import org.springframework.batch.core.job.flow.Flow;
+import org.springframework.batch.repeat.RepeatStatus;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@RequiredArgsConstructor
+public class JobBuilderFactoryConfiguration {
+
+    /*
+        JobBuilder
+        - SimpleJobBuilder : SimpleJob 생성
+        - FlowJobBuilder : FlowJob 생성
+     */
+    private final JobBuilderFactory jobBuilderFactory; // get 메소드를 가지고 JobBuilder 를 생성하는 역할
+    private final StepBuilderFactory stepBuilderFactory;
+
+    @Bean
+    public Job simpleJob() {
+        return jobBuilderFactory.get("simpleJob") // 스프링 배치가 Job 을 실행시킬 때 참조하는 Job 이름
+                .start(step1())
+                .next(step2())
+                .build();
+    }
+
+    @Bean
+    public Job flowJob() {
+        return jobBuilderFactory.get("flowJob")
+                .start(flow()) // Flow 전달시 FlowJobBuilder 생성
+                .next(step5())
+                .end() // FlowJob 종료시에는 end() 호출
+                .build();
+    }
+
+    @Bean
+    public Step step1() {
+        return stepBuilderFactory.get("step1")
+                .tasklet((contribution, chunkContext) -> {
+                    System.out.println("step1 was executed");
+                    return RepeatStatus.FINISHED;
+                })
+                .build();
+    }
+
+    @Bean
+    public Step step2() {
+        return stepBuilderFactory.get("step2")
+                .tasklet((contribution, chunkContext) -> {
+                    System.out.println("step2 was executed");
+                    return RepeatStatus.FINISHED;
+                })
+                .build();
+    }
+
+    /*
+        Flow 생성
+     */
+    @Bean
+    public Flow flow() {
+        FlowBuilder<Flow> flowBuilder = new FlowBuilder<>("flow"); // Step 과 비슷한 역할
+        flowBuilder.start(step3())
+                .next(step4())
+                .end();
+
+        return flowBuilder.build();
+    }
+
+    @Bean
+    public Step step3() {
+        return stepBuilderFactory.get("step3")
+                .tasklet((contribution, chunkContext) -> {
+                    System.out.println("step3 was executed");
+                    return RepeatStatus.FINISHED;
+                })
+                .build();
+    }
+
+    @Bean
+    public Step step4() {
+        return stepBuilderFactory.get("step4")
+                .tasklet((contribution, chunkContext) -> {
+                    System.out.println("step4 was executed");
+                    return RepeatStatus.FINISHED;
+                })
+                .build();
+    }
+
+    @Bean
+    public Step step5() {
+        return stepBuilderFactory.get("step5")
+                .tasklet((contribution, chunkContext) -> {
+                    System.out.println("step5 was executed");
+                    return RepeatStatus.FINISHED;
+                })
+                .build();
+    }
+}

spring-batch/basic/src/main/java/io/springbatch/basic/job/JobConfiguration.java

@@ -9,7 +9,7 @@ import org.springframework.batch.repeat.RepeatStatus;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
-@Configuration
+//@Configuration
 @RequiredArgsConstructor
 public class JobConfiguration {
 

spring-batch/basic/src/main/java/io/springbatch/basic/job/JobConfiguration2.java

@@ -9,7 +9,7 @@ import org.springframework.batch.repeat.RepeatStatus;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
-@Configuration
+//@Configuration
 @RequiredArgsConstructor
 public class JobConfiguration2 {