Commit 9a2933bb authored by huyuchen's avatar huyuchen

huyc 项目档案代码提交

parent b26d53f9
package com.yifu.cloud.plus.v1.yifu.common.core.config;
import lombok.extern.slf4j.Slf4j;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;
/**
* 异步线程池
* @Author fxj
* @Date 2021-05-20
* @return
**/
@Configuration
@EnableAsync
@Slf4j
public class AsyncConfig implements AsyncConfigurer {
// todo 幂等性如何保证
@Override
public Executor getAsyncExecutor() {
//定义线程池
ThreadPoolTaskExecutor taskExecutor = new ThreadPoolTaskExecutor();
/**
* <!-- 设置allowCoreThreadTimeout=true(默认false)时,核心线程会超时关闭 -->
*/
taskExecutor.setAllowCoreThreadTimeOut(true);
/**
* 核心线程数
* 1)<!-- 线程池维护线程的最少数量,即使没有任务需要执行,也会一直存活 -->
* 2)<!-- 设置allowCoreThreadTimeout=true(默认false)时,核心线程会超时关闭 -->
*/
taskExecutor.setCorePoolSize(2);
/**
* <!-- 允许的空闲时间,当线程空闲时间达到keepAliveTime时,线程会退出,直到线程数量=corePoolSize -->
* <!-- 如果allowCoreThreadTimeout=true,则会直到线程数量=0 -->
*/
taskExecutor.setKeepAliveSeconds(200);
/**
* <!-- 线程池维护线程的最大数量 -->
* <!-- 当线程数>=corePoolSize,且任务队列已满时。线程池会创建新线程来处理任务 -->
* <!-- 当线程数=maxPoolSize,且任务队列已满时,线程池会拒绝处理任务而抛出异常,异常见下
*/
taskExecutor.setMaxPoolSize(8);
/**
* <!-- 缓存队列(阻塞队列)当核心线程数达到最大时,新任务会放在队列中排队等待执行 -->
*/
taskExecutor.setQueueCapacity(100);
/**
* 建议配置threadNamePrefix属性,出问题时可以更方便的进行排查。
**/
taskExecutor.setThreadNamePrefix("CRM_TO_HRO_EXECUTOR");
// 捕捉线程队列满的 拒绝处理
taskExecutor.setRejectedExecutionHandler((Runnable r, ThreadPoolExecutor exe) -> {
log.info("当前任务线程池队列已满.");
});
//初始化
taskExecutor.initialize();
return taskExecutor;
}
@Override
public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
return null;
}
}
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