Merge branch 'dev' of yeshijie/wlyy2.0 into dev

svr/svr-cloud-device/src/main/java/com/yihu/jw/care/config/AsyncConfig.java

@@ -0,0 +1,35 @@
package com.yihu.jw.care.config;
import org.apache.tomcat.util.threads.ThreadPoolExecutor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import java.util.concurrent.Executor;
/**
 * Created with IntelliJ IDEA.
 *
 * @Author: yeshijie
 * @Date: 2021/4/30
 * @Description: 异步线程配置
 */
@Configuration
public class AsyncConfig {
    @Bean
    public Executor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(5);        // 设置核心线程数
        executor.setMaxPoolSize(20);        // 设置最大线程数
        executor.setQueueCapacity(200);      // 设置队列容量
        executor.setKeepAliveSeconds(60);   // 设置线程活跃时间（秒）
        executor.setThreadNamePrefix("user-device-");  // 设置默认线程名称
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());// 设置拒绝策略
        executor.setWaitForTasksToCompleteOnShutdown(true); // 等待所有任务结束后再关闭线程池
        executor.initialize();
        return executor;
    }
}