spring-integration勉強中です。
spring-integrationに文字列でjob名を渡し、その先でspring-batchを起動、をつくる。https://github.com/pakmans/spring-batch-integration-example/blob/master/pom.xml を参考にした。
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>kagamihoge</groupId> <artifactId>integratesample2batch</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>integratesample2batch</name> <url>http://maven.apache.org</url> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.6.RELEASE</version> <relativePath /> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <java.version>11</java.version> <maven-jar-plugin.version>3.1.1</maven-jar-plugin.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-integration</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-batch</artifactId> </dependency> <dependency> <groupId>org.springframework.batch</groupId> <artifactId>spring-batch-integration</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> </dependency> </dependencies> </project>
/src/main/resources/application.yml
に以下を指定。spring-bootのデフォルト動作は起動時にJob
のbeanをすべて自動起動するので、その機能をオフにしておく。
spring: batch: job: enabled: false
package kagamihoge.integratesample2batch.sample1; import java.util.Date; import java.util.Optional; import org.springframework.batch.core.Job; import org.springframework.batch.core.JobParametersBuilder; import org.springframework.batch.core.configuration.JobLocator; import org.springframework.batch.core.configuration.JobRegistry; 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.configuration.support.ReferenceJobFactory; import org.springframework.batch.core.launch.JobLauncher; import org.springframework.batch.core.launch.NoSuchJobException; import org.springframework.batch.core.launch.support.RunIdIncrementer; import org.springframework.batch.core.step.tasklet.TaskletStep; import org.springframework.batch.integration.launch.JobLaunchRequest; import org.springframework.batch.integration.launch.JobLaunchingMessageHandler; import org.springframework.batch.repeat.RepeatStatus; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.CommandLineRunner; import org.springframework.boot.WebApplicationType; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.context.annotation.Bean; import org.springframework.integration.annotation.Gateway; import org.springframework.integration.annotation.MessagingGateway; import org.springframework.integration.dsl.IntegrationFlow; import org.springframework.integration.dsl.IntegrationFlows; @SpringBootApplication @EnableBatchProcessing public class Application implements CommandLineRunner { public static void main(String[] args) { new SpringApplicationBuilder(Application.class).web(WebApplicationType.NONE).run(args); } @Override public void run(String... args) throws Exception { jobRegistry.register(new ReferenceJobFactory(sampleJob())); gateway.go("sampleJob"); } @Autowired StartBatchGateway gateway; @MessagingGateway public interface StartBatchGateway { @Gateway(requestChannel = "start.batch.channel") void go(String jobName); } @Bean public IntegrationFlow flow() { return IntegrationFlows.from("start.batch.channel") // .filter(name -> job((String) name).isPresent()) // .transform(name -> { Job job = job((String) name).get(); JobParametersBuilder jobParametersBuilder = new JobParametersBuilder(); jobParametersBuilder.addDate("dummy", new Date()); return new JobLaunchRequest(job, jobParametersBuilder.toJobParameters()); }) // .handle(jobLaunchingMessageHandler()) // .handle(jobExecution -> { System.out.println("# jobExecution #" + jobExecution.getPayload()); }).get(); } Optional<Job> job(String name) { try { return Optional.of(jobLocator.getJob(name)); } catch (NoSuchJobException e) { return Optional.empty(); } } @Bean JobLaunchingMessageHandler jobLaunchingMessageHandler() { JobLaunchingMessageHandler handler = new JobLaunchingMessageHandler(jobLauncher); return handler; } // ---------- 以下spring-batch関連beanとjob定義 ---------------- @Autowired JobLauncher jobLauncher; @Autowired JobRegistry jobRegistry; @Autowired JobLocator jobLocator; @Autowired JobBuilderFactory jobBuilderFactory; @Autowired StepBuilderFactory stepBuilderFactory; @Bean Job sampleJob() { TaskletStep step = stepBuilderFactory.get("sampleStep")// .tasklet((contribution, chunkContext) -> {// System.out.println("tasklet");// return RepeatStatus.FINISHED;// }).build(); return jobBuilderFactory.get("sampleJob") // .incrementer(new RunIdIncrementer()) // .start(step) // .build(); } }