ElasticJob 快速上手

<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.1</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>elasticjob-demo</artifactId>
    <version>0.0.1-SNAPSHOT</version>

    <properties>
        <java.version>1.8</java.version>
        <elasticjob-lite.version>3.0.0-RC1</elasticjob-lite.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.apache.shardingsphere.elasticjob</groupId>
            <artifactId>elasticjob-lite-spring-boot-starter</artifactId>
            <version>${elasticjob-lite.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-jdbc</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.apache.shardingsphere.elasticjob</groupId>
            <artifactId>elasticjob-error-handler-dingtalk</artifactId>
            <version>${elasticjob-lite.version}</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

elasticjob:
  regCenter:
    serverLists: 192.168.100.15:2181
    namespace: elasticjob-demo
    baseSleepTimeMilliseconds: 2000
    maxSleepTimeMilliseconds: 4000
    maxRetries: 3
  jobs:
    firstJob:
      elasticJobClass: com.example.job.FirstJob
      cron: 0/6 * * * * ?
      shardingTotalCount: 3
      jobErrorHandlerType: DINGTALK
      props:
        dingtalk:
          webhook: https://oapi.dingtalk.com/robot/send?access_token=xxx
          secret: ASDF
          connectTimeout: 3000
          readTimeout: 5000
    secondJob:
      elasticJobClass: com.example.job.SecondJob
      cron: 0/10 * * * * ?
      shardingTotalCount: 1
      jobErrorHandlerType: DINGTALK
      props:
        dingtalk:
          webhook: https://oapi.dingtalk.com/robot/send?access_token=xxx
          secret: ASDF
          connectTimeout: 3000
          readTimeout: 5000 

package com.example.job;

import org.apache.shardingsphere.elasticjob.api.ShardingContext;
import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
import org.springframework.stereotype.Component;

/**
 * @author ChengJianSheng
 * @date 2021/1/13
 */
@Component
public class FirstJob implements SimpleJob {
    @Override
    public void execute(ShardingContext shardingContext) {
        switch (shardingContext.getShardingItem()) {
            case 0:
                // do something by sharding item 0
                System.out.println(0);
                // int a = 1 / 0;
                break;
            case 1:
                // do something by sharding item 1
                System.out.println(1);
                break;
            case 2:
                // do something by sharding item 2
                System.out.println(2);
                break;
            // case n: ...
        }
    }
}

package com.example.job;

import org.apache.shardingsphere.elasticjob.api.ShardingContext;
import org.apache.shardingsphere.elasticjob.simple.job.SimpleJob;
import org.springframework.stereotype.Component;

/**
 * @author ChengJianSheng
 * @date 2021/1/18
 */
@Component
public class SecondJob implements SimpleJob {
    @Override
    public void execute(ShardingContext shardingContext) {
        System.out.println("hello");
    }
}