[GitHub] [shardingsphere-elasticjob] sunkai-cai commented on issue #1445: Support Annotation Job

[GitBox <gi...@apache.org>]

sunkai-cai commented on issue #1445:
URL: https://github.com/apache/shardingsphere-elasticjob/issues/1445#issuecomment-910552133


   I prefer to discuss the annotation of ElasticJob plan.
   
   1. define annotation `ElasticJobConfiguration` in `api` , using  like this:
   
   ```
   @ElasticJobConfiguration(
           cron = "0/5 * * * * ?",
           jobName = "SimpleTestJobFirst",
           shardingTotalCount = 3,
           shardingItemParameters = "0=Beijing,1=Shanghai,2=Guangzhou",
           jobListenerTypes = {"NOOP", "LOG"},
           extraConfigurations = {SimpleTracingConfigurationFactory.class},
           props = {
                   @ElasticJobProp(key = "print.title", value = "test title"),
                   @ElasticJobProp(key = "print.content", value = "test content")
           }
   )
   public class SimpleTestJob implements CustomJob {
       
       @Override
       public void execute(final ShardingContext shardingContext) {
       }
       
   }
   ```
   
   ```
   public class SimpleTracingConfigurationFactory implements JobExtraConfigurationFactory {
      
       public JobExtraConfiguration getJobExtraConfiguration() {
           BasicDataSource dataSource = new BasicDataSource();
           dataSource.setDriverClassName(org.h2.Driver.class.getName());
           dataSource.setUrl("jdbc:h2:mem:job_event_storage");
           dataSource.setUsername("sa");
           dataSource.setPassword("");
           return new TracingConfiguration<>("RDB", dataSource);
       }
   }
   ```
   
   ```
   //Java example
   public final class JavaMain {
       .....
       public static void main(final String[] args) throws IOException {
           CoordinatorRegistryCenter regCenter = setUpRegistryCenter();
           (new ScheduleJobBootstrap(regCenter,new SimpleTestJob())).schedule();
       }
       .....
   }
   ```
   
   2. define annotation `EnableElastic` in spring-code , using like this:
   
   ```
   //spring example
   @Configurable
   @EnableElastic(scanBasePackages = "org.apache.shardingsphere.elasticjob.lite.spring.core.annotation.job.impl")
   public class ElasticConfig {
   
   }
   ```
   or
   
   ```
   //spring boot example
   @Configurable
   @EnableElastic(scanBasePackages = "org.apache.shardingsphere.elasticjob.lite.spring.core.annotation.job.impl")
   public class ElasticConfig {
       
   }
   ```


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