{"id":2040,"date":"2023-04-01T20:37:52","date_gmt":"2023-04-01T12:37:52","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=2040"},"modified":"2023-04-07T06:11:54","modified_gmt":"2023-04-06T22:11:54","slug":"spring-boot-integrate-timed-task-elastic-job","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/04\/01\/spring-boot-integrate-timed-task-elastic-job\/","title":{"rendered":"Spring Boot\u96c6\u6210\u5b9a\u65f6\u4efb\u52a1elastic-job"},"content":{"rendered":"

elastic-job\u662f\u5f53\u5f53\u5f00\u6e90\u7684\u4e00\u6b3e\u5206\u5e03\u5f0f\u5b9a\u65f6\u4f5c\u4e1a\u6846\u67b6\u3002\u5728\u8fd9\u4e4b\u524d\uff0c\u6211\u4eec\u5f00\u53d1\u5b9a\u65f6\u4efb\u52a1\u4e00\u822c\u90fd\u662f\u4f7f\u7528quartz\u6216\u8005spring-task\uff08ScheduledExecutorService<\/code>\uff09\uff0c\u65e0\u8bba\u662f\u4f7f\u7528quartz\u8fd8\u662fspring-task\uff0c\u6211\u4eec\u90fd\u4f1a\u81f3\u5c11\u9047\u5230\u4e24\u4e2a\u75db\u70b9\uff1a<\/p>\n

    \n
  1. \u4e0d\u6562\u8f7b\u6613\u8ddf\u7740\u5e94\u7528\u670d\u52a1\u591a\u8282\u70b9\u90e8\u7f72\uff0c\u53ef\u80fd\u4f1a\u91cd\u590d\u591a\u6b21\u6267\u884c\u800c\u5f15\u53d1\u7cfb\u7edf\u903b\u8f91\u7684\u9519\u8bef\u3002<\/li>\n
  2. quartz\u7684\u96c6\u7fa4\u4ec5\u4ec5\u53ea\u662f\u7528\u6765HA\uff0c\u8282\u70b9\u6570\u91cf\u7684\u589e\u52a0\u5e76\u4e0d\u80fd\u7ed9\u6211\u4eec\u7684\u6bcf\u6b21\u6267\u884c\u6548\u7387\u5e26\u6765\u63d0\u5347\uff0c\u5373\u4e0d\u80fd\u5b9e\u73b0\u6c34\u5e73\u6269\u5c55\u3002<\/li>\n<\/ol>\n

    <\/p>\n

    elastic-job\u57282.x\u4e4b\u540e\uff0c\u51fa\u4e86\u4e24\u4e2a\u4ea7\u54c1\u7ebf\uff1aElastic-Job-Lite<\/code>\u548cElastic-Job-Cloud<\/code>\u3002\u6211\u4eec\u4e00\u822c\u4f7f\u7528Elastic-Job-Lite<\/code>\u5c31\u80fd\u591f\u6ee1\u8db3\u9700\u6c42\uff0c\u672c\u6587\u4e5f\u662f\u4ee5Elastic-Job-Lite<\/code>\u4e3a\u4e3b\u30021.x\u7cfb\u5217\u5bf9\u5e94\u7684\u5c31\u53ea\u6709Elastic-Job-Lite<\/code>\uff0c\u5e76\u4e14\u57282.x\u91cc\u4fee\u6539\u4e86\u4e00\u4e9b\u6838\u5fc3\u7c7b\u540d\uff0c\u5dee\u522b\u867d\u5927\uff0c\u539f\u7406\u7c7b\u4f3c\uff0c\u5efa\u8bae\u4f7f\u75282.x\u7cfb\u5217\u3002<\/p>\n

    elastic-job-lite\u539f\u7406<\/h2>\n

    \u4e3e\u4e2a\u5178\u578b\u7684job\u573a\u666f\uff0c\u6bd4\u5982\u4f59\u989d\u5b9d\u91cc\u7684\u6628\u65e5\u6536\u76ca\uff0c\u7cfb\u7edf\u9700\u8981job\u5728\u6bcf\u5929\u67d0\u4e2a\u65f6\u95f4\u70b9\u5f00\u59cb\uff0c\u7ed9\u6240\u6709\u4f59\u989d\u5b9d\u7528\u6237\u8ba1\u7b97\u6536\u76ca\u3002\u5982\u679c\u7528\u6237\u6570\u91cf\u4e0d\u591a\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u6613\u4f7f\u7528quartz\u6765\u5b8c\u6210\uff0c\u6211\u4eec\u8ba9\u8ba1\u606fjob\u5728\u67d0\u4e2a\u65f6\u95f4\u70b9\u5f00\u59cb\u6267\u884c\uff0c\u5faa\u73af\u904d\u5386\u6240\u6709\u7528\u6237\u8ba1\u7b97\u5229\u606f\uff0c\u8fd9\u6ca1\u95ee\u9898\u3002\u53ef\u662f\uff0c\u5982\u679c\u7528\u6237\u4f53\u91cf\u7279\u522b\u5927\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9762\u4e34\u7740\u5728\u7b2c\u4e8c\u5929\u4e4b\u524d\u5904\u7406\u4e0d\u5b8c\u8fd9\u4e48\u591a\u7528\u6237\u3002\u53e6\u5916\uff0c\u6211\u4eec\u90e8\u7f72job\u7684\u65f6\u5019\u4e5f\u5f97\u6ce8\u610f\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u628ajob\u76f4\u63a5\u653e\u5728\u6211\u4eec\u7684webapp\u91cc\uff0cwebapp\u901a\u5e38\u662f\u591a\u8282\u70b9\u90e8\u7f72\u7684\uff0c\u8fd9\u6837\uff0c\u6211\u4eec\u7684job\u4e5f\u5c31\u662f\u591a\u8282\u70b9\uff0c\u591a\u4e2ajob\u540c\u65f6\u6267\u884c\uff0c\u5f88\u5bb9\u6613\u9020\u6210\u91cd\u590d\u6267\u884c\uff0c\u6bd4\u5982\u7528\u6237\u91cd\u590d\u8ba1\u606f\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u5bf9job\u7684\u6267\u884c\u52a0\u9501\uff0c\u4fdd\u8bc1\u59cb\u7ec8\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u80fd\u6267\u884c\uff0c\u6216\u8005\u5e72\u8106\u8ba9job\u4ecewebapp\u91cc\u5265\u79bb\u51fa\u6765\uff0c\u72ec\u81ea\u90e8\u7f72\u4e00\u4e2a\u8282\u70b9\u3002<\/p>\n

    elastic-job\u5c31\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u89e3\u51b3\u4e0a\u9762\u7684\u95ee\u9898\uff0celastic\u5e95\u5c42\u7684\u4efb\u52a1\u8c03\u5ea6\u8fd8\u662f\u4f7f\u7528\u7684quartz\uff0c\u901a\u8fc7zookeeper\u6765\u52a8\u6001\u7ed9job\u8282\u70b9\u5206\u7247<\/strong>\u3002<\/p>\n

    \u5f88\u5927\u4f53\u91cf\u7684\u7528\u6237\u9700\u8981\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u6bb5\u5185\u8ba1\u606f\u5b8c\u6210<\/strong><\/p>\n

    \u6211\u4eec\u80af\u5b9a\u662f\u5e0c\u671b\u6211\u4eec\u7684\u4efb\u52a1\u53ef\u4ee5\u901a\u8fc7\u96c6\u7fa4\u8fbe\u5230\u6c34\u5e73\u6269\u5c55\uff0c\u96c6\u7fa4\u91cc\u7684\u6bcf\u4e2a\u8282\u70b9\u90fd\u5904\u7406\u90e8\u5206\u7528\u6237\uff0c\u4e0d\u7ba1\u7528\u6237\u6570\u91cf\u6709\u591a\u5e9e\u5927\uff0c\u6211\u4eec\u53ea\u8981\u589e\u52a0\u673a\u5668\u5c31\u53ef\u4ee5\u4e86\uff0c\u6bd4\u5982\u5355\u53f0\u673a\u5668\u7279\u5b9a\u65f6\u95f4\u80fd\u5904\u7406n\u4e2a\u7528\u6237\uff0c2\u53f0\u673a\u5668\u5904\u74062n\u4e2a\u7528\u6237\uff0c3\u53f03n\uff0c4\u53f04n…\uff0c\u518d\u591a\u7684\u7528\u6237\u4e5f\u4e0d\u6015\u4e86\u3002<\/p>\n

    \u4f7f\u7528elastic-job\u5f00\u53d1\u7684\u4f5c\u4e1a\u90fd\u662fzookeeper\u7684\u5ba2\u6237\u7aef\uff0c\u6bd4\u5982\u6211\u5e0c\u671b3\u53f0\u673a\u5668\u8dd1job\uff0c\u6211\u4eec\u5c06\u4efb\u52a1\u5206\u62103\u7247\uff0c\u6846\u67b6\u901a\u8fc7zk\u7684\u534f\u8c03\uff0c\u6700\u7ec8\u4f1a\u8ba93\u53f0\u673a\u5668\u5206\u522b\u5206\u914d\u52300,1,2<\/code>\u7684\u4efb\u52a1\u7247\uff0c\u6bd4\u5982server0-->0<\/code>\uff0cserver1-->1<\/code>\uff0cserver2-->2<\/code>\uff0c\u5f53server0<\/code>\u6267\u884c\u65f6\uff0c\u53ef\u4ee5\u53ea\u67e5\u8be2id%3==0<\/code>\u7684\u7528\u6237\uff0cserver1<\/code>\u6267\u884c\u65f6\uff0c\u53ea\u67e5\u8be2id%3==1<\/code>\u7684\u7528\u6237\uff0cserver2<\/code>\u6267\u884c\u65f6\uff0c\u53ea\u67e5\u8be2id%3==2<\/code>\u7684\u7528\u6237\u3002<\/p>\n

    \u4efb\u52a1\u90e8\u7f72\u591a\u8282\u70b9\u5f15\u53d1\u91cd\u590d\u6267\u884c<\/strong><\/p>\n

    \u5728\u4e0a\u9762\u7684\u57fa\u7840\u4e0a\uff0c\u6211\u4eec\u518d\u589e\u52a0server3<\/code>\uff0c\u6b64\u65f6\uff0cserver3<\/code>\u5206\u4e0d\u5230\u4efb\u52a1\u5206\u7247\uff0c\u56e0\u4e3a\u53ea\u67093\u7247\uff0c\u5df2\u7ecf\u5206\u5b8c\u4e86\u3002\u6ca1\u6709\u5206\u5230\u4efb\u52a1\u5206\u7247\u7684\u4f5c\u4e1a\u7a0b\u5e8f\u5c06\u4e0d\u6267\u884c\u3002
    \n\u5982\u679c\u6b64\u65f6server2<\/code>\u6302\u4e86\uff0c\u90a3\u4e48server2<\/code>\u7684\u5206\u7247\u9879\u4f1a\u5206\u914d\u7ed9server3<\/code>\uff0cserver3<\/code>\u6709\u4e86\u5206\u7247\uff0c\u5c31\u4f1a\u66ff\u4ee3server2<\/code>\u6267\u884c\u3002
    \n\u5982\u679c\u6b64\u65f6server3<\/code>\u4e5f\u6302\u4e86\uff0c\u53ea\u5269\u4e0bserver0<\/code>\u548cserver1<\/code>\u4e86\uff0c\u6846\u67b6\u4e5f\u4f1a\u81ea\u52a8\u628aserver3<\/code>\u7684\u5206\u7247\u968f\u673a\u5206\u914d\u7ed9server0<\/code>\u6216\u8005server1<\/code>\uff0c\u53ef\u80fd\u4f1a\u8fd9\u6837\uff0cserver0-->0<\/code>\uff0cserver1-->1,2<\/code>\u3002<\/p>\n

    \u8fd9\u79cd\u7279\u6027\u79f0\u4e4b\u4e3a\u5f39\u6027\u6269\u5bb9\uff0c\u5373elastic-job\u540d\u79f0\u7684\u7531\u6765\u3002<\/p>\n

    SpringBoot\u96c6\u6210elastic-job<\/h2>\n

    Maven\u4f9d\u8d56<\/h3>\n
    <!-- https:\/\/mvnrepository.com\/artifact\/com.dangdang\/elastic-job-lite-core -->\n<dependency>\n    <groupId>com.dangdang<\/groupId>\n    <artifactId>elastic-job-lite-core<\/artifactId>\n    <version>2.1.5<\/version>\n<\/dependency>\n<!-- https:\/\/mvnrepository.com\/artifact\/com.dangdang\/elastic-job-lite-spring -->\n<dependency>\n    <groupId>com.dangdang<\/groupId>\n    <artifactId>elastic-job-lite-spring<\/artifactId>\n    <version>2.1.5<\/version>\n<\/dependency><\/code><\/pre>\n
    \u914d\u7f6eZooKeeper\u6ce8\u518c\u4e2d\u5fc3<\/h3>\n
    import com.dangdang.ddframe.job.reg.zookeeper.ZookeeperConfiguration;\nimport com.dangdang.ddframe.job.reg.zookeeper.ZookeeperRegistryCenter;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\n\n\/**\n * \u6ce8\u518c\u4e2d\u5fc3\u914d\u7f6e\n * \u7528\u4e8e\u6ce8\u518c\u548c\u534f\u8c03\u4f5c\u4e1a\u5206\u5e03\u5f0f\u884c\u4e3a\u7684\u7ec4\u4ef6\uff0c\u76ee\u524d\u4ec5\u652f\u6301Zookeeper\n *\/\n@Configuration\n@ConditionalOnExpression("'${regCenter.serverList}'.length() > 0")\npublic class RegistryCenterConfig {\n\n    @Bean(initMethod = "init")\n    public ZookeeperRegistryCenter regCenter(@Value("${regCenter.serverList}") final String serverList, @Value("${regCenter.namespace}") final String namespace) {\n        return new ZookeeperRegistryCenter(new ZookeeperConfiguration(serverList, namespace));\n    }\n\n}<\/code><\/pre>\n
    \u6301\u4e45\u5316\u914d\u7f6e<\/h3>\n
    import com.dangdang.ddframe.job.event.JobEventConfiguration;\nimport com.dangdang.ddframe.job.event.rdb.JobEventRdbConfiguration;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\n\nimport javax.annotation.Resource;\nimport javax.sql.DataSource;\n\n\/**\n * \u5f00\u542f\u4e8b\u4ef6\u8ffd\u8e2a\u5668\n * \u5982\u679c\u60f3\u628a\u4f5c\u4e1a\u8fd0\u884c\u7684\u5185\u5bb9\u5199\u5230DB\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u7528\u5230\u53e6\u4e00\u4e2a\u6784\u9020\u5668\n * \u540c\u65f6\u5b9a\u4e49\u81ea\u5df1\u7684JobEventConfiguration\n * \u76ee\u524d\u6765\u8bf4\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\u7684\u53ea\u6709\u4e00\u4e2a\u7c7bJobEventRdbConfiguration\n * \u901a\u8fc7\u8fd9\u4e2a\u53ef\u4ee5\u5c06\u4f5c\u4e1a\u8fd0\u884c\u7684\u75d5\u8ff9\u8fdb\u884c\u6301\u4e45\u5316\u5230DB\u7684\u64cd\u4f5c\n *\/\n@Configuration\npublic class JobEventConfig {\n    @Resource\n    private DataSource dataSource;\n\n    @Bean\n    public JobEventConfiguration jobEventConfiguration() {\n        return new JobEventRdbConfiguration(dataSource);\n    }\n}<\/code><\/pre>\n
    \u914d\u7f6e\u6587\u4ef6<\/h3>\n
    \u914d\u7f6eZooKeeper\u548cElastic Job<\/code>\u7684\u6267\u884c\u65f6\u95f4\u3001\u5206\u7247\u6570\u3001\u548c\u5b9a\u4e49\u5206\u7247\u53c2\u5373shardingItemParameter<\/code>\uff0c\u53ef\u4ee5\u548c\u5206\u7247\u9879\u5339\u914d\u5bf9\u5e94\u5173\u7cfb\uff0c\u7528\u4e8e\u5c06\u5206\u7247\u9879\u7684\u6570\u5b57\u8f6c\u6362\u4e3a\u66f4\u52a0\u53ef\u8bfb\u7684\u4e1a\u52a1\u4ee3\u7801<\/p>\n
    application.properties<\/p>\n
    regCenter.serverList=127.0.0.1:2181  \nregCenter.namespace=elastic-job  \n\nsimpleJob.cron=0\/5 * * * * ?  \nsimpleJob.shardingTotalCount=3  \nsimpleJob.shardingItemParameters=0=A,1=B,2=C<\/code><\/pre>\n
    application.yml<\/p>\n
    regCenter:\n  serverList: 127.0.0.1:2181  \n  namespace: elastic-job\n\nsimpleJob:\n  #\u6bcf\u96945\u79d2\u6267\u884c\u4e00\u6b21\n  cron: 0\/5 * * * * ?\n  shardingTotalCount: 3\n  shardingItemParameters: 0=A,1=B,2=C\n\ndataflowJob:\n  #\u6bcf\u5929\u51cc\u66681\u70b9\u6267\u884c\u4e00\u6b21\n  cron: 0 0 1 * * ?\n  shardingTotalCount: 3\n  shardingItemParameters: 0=A,1=B,2=C<\/code><\/pre>\n
    \u4f5c\u4e1a\u914d\u7f6e<\/h3>\n
    elastic-job\u63d0\u4f9b\u4e86\u4e09\u79cd\u7c7b\u578b\u7684\u4f5c\u4e1a\uff1aSimple\u7c7b\u578b\u4f5c\u4e1a\u3001Dataflow\u7c7b\u578b\u4f5c\u4e1a\u3001Script\u7c7b\u578b\u4f5c\u4e1a\u3002\u8fd9\u91cc\u4e3b\u8981\u8bb2\u89e3\u524d\u4e24\u8005\u3002Script\u7c7b\u578b\u4f5c\u4e1a\u610f\u4e3a\u811a\u672c\u7c7b\u578b\u4f5c\u4e1a\uff0c\u652f\u6301shell\uff0cpython\uff0cperl\u7b49\u6240\u6709\u7c7b\u578b\u811a\u672c\uff0c\u4f7f\u7528\u4e0d\u591a\uff0c\u53ef\u4ee5\u53c2\u89c1github\u6587\u6863\u3002<\/p>\n
    \u7b80\u5355Simple\u7c7b\u578b\u4f5c\u4e1a\u914d\u7f6e<\/h4>\n
    SimpleJob\u9700\u8981\u5b9e\u73b0SimpleJob\u63a5\u53e3\uff0c\u610f\u4e3a\u7b80\u5355\u5b9e\u73b0\uff0c\u672a\u7ecf\u8fc7\u4efb\u4f55\u5c01\u88c5\uff0c\u4e0equartz\u539f\u751f\u63a5\u53e3\u76f8\u4f3c\u3002<\/p>\n
    \uff081\uff09\u4efb\u52a1\u6267\u884c\u7c7b<\/p>\n
    public class SpringSimpleJob implements SimpleJob {\n    @Override\n    public void execute(ShardingContext shardingContext) {\n        \/**\n         * \u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6709\u4e86\u4efb\u52a1\u603b\u7247\u6570\u548c\u5f53\u524d\u5206\u7247\u9879\uff0c\u5c31\u53ef\u4ee5\u5bf9\u4efb\u52a1\u8fdb\u884c\u5206\u7247\u6267\u884c\u4e86\n         * \u6bd4\u5982 SELECT * FROM user WHERE status = 0 AND MOD(id, shardingTotalCount) = shardingItem\n         *\/\n        System.out.println(String.format("Thread ID: %s, \u4efb\u52a1\u603b\u7247\u6570: %s, \u5f53\u524d\u5206\u7247\u9879: %s, \u5206\u7247\u53c2\u6570: %s",\n                Thread.currentThread().getId(), shardingContext.getShardingTotalCount(), shardingContext.getShardingItem(), shardingContext.getShardingParameter()));\n    }\n}<\/code><\/pre>\n
    \uff082\uff09\u4efb\u52a1\u914d\u7f6e\u7c7b<\/p>\n
    import cn.appblog.springboot.model.SpringSimpleJob;\nimport com.dangdang.ddframe.job.api.simple.SimpleJob;\nimport com.dangdang.ddframe.job.config.JobCoreConfiguration;\nimport com.dangdang.ddframe.job.config.simple.SimpleJobConfiguration;\nimport com.dangdang.ddframe.job.event.JobEventConfiguration;\nimport com.dangdang.ddframe.job.lite.api.JobScheduler;\nimport com.dangdang.ddframe.job.lite.config.LiteJobConfiguration;\nimport com.dangdang.ddframe.job.lite.spring.api.SpringJobScheduler;\nimport com.dangdang.ddframe.job.reg.zookeeper.ZookeeperRegistryCenter;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\n\nimport javax.annotation.Resource;\n\n\/**\n * \u7b80\u5355\u4efb\u52a1\u914d\u7f6e\n *\/\n@Configuration\npublic class SimpleJobConfig {\n    \/\/ \u6ce8\u518c\u4e2d\u5fc3\u914d\u7f6e\n    @Resource\n    private ZookeeperRegistryCenter regCenter;\n\n    \/\/ \u5c06\u4f5c\u4e1a\u8fd0\u884c\u7684\u75d5\u8ff9\u8fdb\u884c\u6301\u4e45\u5316\u5230DB\u7684\u64cd\u4f5c\u914d\u7f6e\n    @Resource\n    private JobEventConfiguration jobEventConfiguration;\n\n    @Bean\n    public SimpleJob simpleJob() {\n        return new SpringSimpleJob();\n    }\n\n    @Bean(initMethod = "init")\n    public JobScheduler simpleJobScheduler(final SimpleJob simpleJob, @Value("${simpleJob.cron}") final String cron,\n                                           @Value("${simpleJob.shardingTotalCount}") final int shardingTotalCount,\n                                           @Value("${simpleJob.shardingItemParameters}") final String shardingItemParameters) {\n        return new SpringJobScheduler(simpleJob, regCenter, getLiteJobConfiguration(simpleJob.getClass(), cron, shardingTotalCount, shardingItemParameters), jobEventConfiguration);\n    }\n\n    \/*\n     * \u4f5c\u4e1a\u914d\u7f6e\n     * \u4f5c\u4e1a\u914d\u7f6e\u5206\u4e3a3\u7ea7\uff0c\u5206\u522b\u662fJobCoreConfiguration\uff0cJobTypeConfiguration\u548cLiteJobConfiguration\n     * LiteJobConfiguration\u4f7f\u7528JobTypeConfiguration\uff0cJobTypeConfiguration\u4f7f\u7528JobCoreConfiguration\uff0c\u5c42\u5c42\u5d4c\u5957\n     * JobTypeConfiguration\u6839\u636e\u4e0d\u540c\u5b9e\u73b0\u7c7b\u578b\u5206\u4e3aSimpleJobConfiguration\uff0cDataflowJobConfiguration\u548cScriptJobConfiguration\n     *\/\n    private LiteJobConfiguration getLiteJobConfiguration(final Class<? extends SimpleJob> jobClass, final String cron, final int shardingTotalCount, final String shardingItemParameters) {\n        return LiteJobConfiguration.newBuilder(new SimpleJobConfiguration(JobCoreConfiguration.newBuilder(\n                jobClass.getName(), cron, shardingTotalCount).shardingItemParameters(shardingItemParameters).build(), jobClass.getCanonicalName())).overwrite(true).build();\n    }\n}<\/code><\/pre>\n
    \uff083\uff09\u4efb\u52a1\u6267\u884c\u7ed3\u679c<\/p>\n
    Thread ID: 151, \u4efb\u52a1\u603b\u7247\u6570: 3, \u5f53\u524d\u5206\u7247\u9879: 0, \u5206\u7247\u53c2\u6570: A\nThread ID: 152, \u4efb\u52a1\u603b\u7247\u6570: 3, \u5f53\u524d\u5206\u7247\u9879: 1, \u5206\u7247\u53c2\u6570: B\nThread ID: 153, \u4efb\u52a1\u603b\u7247\u6570: 3, \u5f53\u524d\u5206\u7247\u9879: 2, \u5206\u7247\u53c2\u6570: C\nThread ID: 101, \u4efb\u52a1\u603b\u7247\u6570: 3, \u5f53\u524d\u5206\u7247\u9879: 2, \u5206\u7247\u53c2\u6570: C\nThread ID: 154, \u4efb\u52a1\u603b\u7247\u6570: 3, \u5f53\u524d\u5206\u7247\u9879: 0, \u5206\u7247\u53c2\u6570: A\nThread ID: 155, \u4efb\u52a1\u603b\u7247\u6570: 3, \u5f53\u524d\u5206\u7247\u9879: 1, \u5206\u7247\u53c2\u6570: B<\/code><\/pre>\n
    \u6d41\u5f0f\u4efb\u52a1\u914d\u7f6e<\/h4>\n
    Dataflow\u7c7b\u578b\u7528\u4e8e\u5904\u7406\u6570\u636e\u6d41\uff0c\u9700\u5b9e\u73b0DataflowJob\u63a5\u53e3\u3002\u8be5\u63a5\u53e3\u63d0\u4f9b2\u4e2a\u65b9\u6cd5\u53ef\u4f9b\u8986\u76d6\uff0c\u5206\u522b\u7528\u4e8e\u6293\u53d6(fetchData)\u548c\u5904\u7406(processData)\u6570\u636e\u3002
    \n\u53ef\u901a\u8fc7DataflowJobConfiguration\u914d\u7f6e\u662f\u5426\u6d41\u5f0f\u5904\u7406\u3002<\/p>\n
    \u6d41\u5f0f\u5904\u7406\u6570\u636e\u53ea\u6709fetchData\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3anull\u6216\u96c6\u5408\u957f\u5ea6\u4e3a\u7a7a\u65f6\uff0c\u4f5c\u4e1a\u624d\u505c\u6b62\u6293\u53d6\uff0c\u5426\u5219\u4f5c\u4e1a\u5c06\u4e00\u76f4\u8fd0\u884c\u4e0b\u53bb\uff1b \u975e\u6d41\u5f0f\u5904\u7406\u6570\u636e\u5219\u53ea\u4f1a\u5728\u6bcf\u6b21\u4f5c\u4e1a\u6267\u884c\u8fc7\u7a0b\u4e2d\u6267\u884c\u4e00\u6b21fetchData\u65b9\u6cd5\u548cprocessData\u65b9\u6cd5\uff0c\u968f\u5373\u5b8c\u6210\u672c\u6b21\u4f5c\u4e1a\u3002<\/p>\n
    \uff081\uff09\u4efb\u52a1\u6267\u884c\u7c7b<\/p>\n
    import cn.appblog.springboot.dao.entity.User;\nimport com.dangdang.ddframe.job.api.ShardingContext;\nimport com.dangdang.ddframe.job.api.dataflow.DataflowJob;\nimport lombok.extern.slf4j.Slf4j;\n\nimport java.util.List;\n\n\/**\n * \u6d41\u5f0f\u4efb\u52a1\u7c7b\u578b\uff1a\u4e1a\u52a1\u5b9e\u73b0\u4e24\u4e2a\u63a5\u53e3 - \u6293\u53d6(fetchData)\u548c\u5904\u7406(processData)\u6570\u636e\n *  a.\u6d41\u5f0f\u5904\u7406\u6570\u636e\u53ea\u6709fetchData\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3anull\u6216\u96c6\u5408\u957f\u5ea6\u4e3a\u7a7a\u65f6\uff0c\u4f5c\u4e1a\u624d\u505c\u6b62\u6293\u53d6\uff0c\u5426\u5219\u4f5c\u4e1a\u5c06\u4e00\u76f4\u8fd0\u884c\u4e0b\u53bb\n *  b.\u975e\u6d41\u5f0f\u5904\u7406\u6570\u636e\u5219\u53ea\u4f1a\u5728\u6bcf\u6b21\u4f5c\u4e1a\u6267\u884c\u8fc7\u7a0b\u4e2d\u6267\u884c\u4e00\u6b21fetchData\u65b9\u6cd5\u548cprocessData\u65b9\u6cd5\uff0c\u968f\u5373\u5b8c\u6210\u672c\u6b21\u4f5c\u4e1a\n *\/\n@Slf4j\npublic class SpringDataflowJob implements DataflowJob<User> {\n    @Override\n    public List<User> fetchData(ShardingContext shardingContext) {\n        log.info(String.format("Thread ID: %s, \u4efb\u52a1\u603b\u7247\u6570: %s, \u5f53\u524d\u5206\u7247\u9879: %s, \u5206\u7247\u53c2\u6570: %s",\n                Thread.currentThread().getId(), shardingContext.getShardingTotalCount(), shardingContext.getShardingItem(), shardingContext.getShardingParameter()));\n        List<User> userList = null;\n        \/**\n         * users = SELECT * FROM user WHERE status = 0 AND MOD(id, shardingTotalCount) = shardingItem Limit 0, 30\n         *\/\n        return userList;\n    }\n\n    @Override\n    public void processData(ShardingContext shardingContext, List<User> userList) {\n        if (userList != null && userList.size() > 0) {\n            for (User user : userList) {\n                log.info(String.format("\u7528\u6237 %s \u5f00\u59cb\u8ba1\u606f", user.getName()));\n            }\n        }\n    }\n}<\/code><\/pre>\n
    \uff082\uff09\u4efb\u52a1\u914d\u7f6e\u7c7b<\/p>\n
    import cn.appblog.springboot.model.SpringDataflowJob;\nimport com.dangdang.ddframe.job.api.dataflow.DataflowJob;\nimport com.dangdang.ddframe.job.config.JobCoreConfiguration;\nimport com.dangdang.ddframe.job.config.dataflow.DataflowJobConfiguration;\nimport com.dangdang.ddframe.job.event.JobEventConfiguration;\nimport com.dangdang.ddframe.job.lite.api.JobScheduler;\nimport com.dangdang.ddframe.job.lite.config.LiteJobConfiguration;\nimport com.dangdang.ddframe.job.lite.spring.api.SpringJobScheduler;\nimport com.dangdang.ddframe.job.reg.zookeeper.ZookeeperRegistryCenter;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\n\nimport javax.annotation.Resource;\n\n\/**\n * \u6d41\u5f0f\u4efb\u52a1\u914d\u7f6e\n *\/\n@Configuration\npublic class DataflowJobConfig {\n    \/\/ \u6ce8\u518c\u4e2d\u5fc3\u914d\u7f6e\n    @Resource\n    private ZookeeperRegistryCenter regCenter;\n\n    \/\/ \u5c06\u4f5c\u4e1a\u8fd0\u884c\u7684\u75d5\u8ff9\u8fdb\u884c\u6301\u4e45\u5316\u5230DB\u7684\u64cd\u4f5c\u914d\u7f6e\n    @Resource\n    private JobEventConfiguration jobEventConfiguration;\n\n    @Bean\n    public DataflowJob dataflowJob() {\n        return new SpringDataflowJob();\n    }\n\n    \/\/@Bean(initMethod = "init")\n    public JobScheduler dataflowJobScheduler(final DataflowJob dataflowJob, @Value("${dataflowJob.cron}") final String cron,\n                                             @Value("${dataflowJob.shardingTotalCount}") final int shardingTotalCount,\n                                             @Value("${dataflowJob.shardingItemParameters}") final String shardingItemParameters) {\n        return new SpringJobScheduler(dataflowJob, regCenter, getLiteJobConfiguration(dataflowJob.getClass(), cron, shardingTotalCount, shardingItemParameters), jobEventConfiguration);\n    }\n\n    \/*\n     * \u4f5c\u4e1a\u914d\u7f6e\n     * \u4f5c\u4e1a\u914d\u7f6e\u5206\u4e3a3\u7ea7\uff0c\u5206\u522b\u662fJobCoreConfiguration\uff0cJobTypeConfiguration\u548cLiteJobConfiguration\n     * LiteJobConfiguration\u4f7f\u7528JobTypeConfiguration\uff0cJobTypeConfiguration\u4f7f\u7528JobCoreConfiguration\uff0c\u5c42\u5c42\u5d4c\u5957\n     * JobTypeConfiguration\u6839\u636e\u4e0d\u540c\u5b9e\u73b0\u7c7b\u578b\u5206\u4e3aSimpleJobConfiguration\uff0cDataflowJobConfiguration\u548cScriptJobConfiguration\n     *\/\n    private LiteJobConfiguration getLiteJobConfiguration(final Class<? extends DataflowJob> jobClass, final String cron, final int shardingTotalCount, final String shardingItemParameters) {\n        return LiteJobConfiguration.newBuilder(new DataflowJobConfiguration(JobCoreConfiguration.newBuilder(\n                jobClass.getName(), cron, shardingTotalCount).shardingItemParameters(shardingItemParameters).build(), jobClass.getCanonicalName(), true)).overwrite(true).build();\n    }\n}<\/code><\/pre>\n
    \n
    elastic-job\u7684\u529f\u80fd\u96c6\u8fd8\u4e0d\u6b62\u8fd9\u4e9b\uff0c\u6bd4\u5982\u50cf\u4f5c\u4e1a\u4e8b\u4ef6\u8ffd\u8e2a\u3001\u4efb\u52a1\u76d1\u542c\u7b49\uff0c\u53e6\u5916\uff0celastic-job-lite-console\u4f5c\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684\u8fd0\u7ef4\u5e73\u53f0\u8fd8\u63d0\u4f9b\u4e86\u7528\u6765\u67e5\u8be2\u548c\u64cd\u4f5c\u4efb\u52a1\u7684web\u9875\u9762\u3002<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
    elastic-job\u662f\u5f53\u5f53\u5f00\u6e90\u7684\u4e00\u6b3e\u5206\u5e03\u5f0f\u5b9a\u65f6\u4f5c\u4e1a\u6846\u67b6\u3002\u5728\u8fd9\u4e4b\u524d\uff0c\u6211\u4eec\u5f00\u53d1\u5b9a\u65f6\u4efb\u52a1\u4e00\u822c\u90fd\u662f\u4f7f\u7528quartz\u6216 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[350,41],"tags":[],"class_list":["post-2040","post","type-post","status-publish","format-standard","hentry","category-elasticjob","category-spring-boot"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/2040","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2040"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/2040\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}