参考 : https://www.cnblogs.com/mmzs/p/10161936.html
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
/**
* @author jean.zj
* @date 2018-11-18
*/
@Component
@Configuration
@EnableScheduling
public class Task {
private ExecutorService executorService = new ThreadPoolExecutor(5, 10,
3000, TimeUnit.MILLISECONDS, new LinkedBlockingDeque<>(10), new ThreadFactoryBuilder()
.setNameFormat("Task-impl-%d").build());
/**
* 脱硫数据库连接心跳检测
* 3分钟之后开始,每3分钟运行一次
*/
@Scheduled(cron = "0 3/3 * * * ? ")
public void test() {
executorService.execute(() -> {
});
}
}
线程依赖 : https://blog.youkuaiyun.com/Lxinccode/article/details/83088189
在线Cron表达式生成器
本文介绍了一个使用Spring框架实现的定时任务案例,通过注解@Scheduled配置任务执行频率,采用Guava的ThreadFactoryBuilder自定义线程工厂,创建了具有固定核心线程数和最大线程数的线程池,用于执行脱硫数据库连接的心跳检测任务。
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