48 lines
1.9 KiB
Java
48 lines
1.9 KiB
Java
package com.njcn.jbsyncdata.config;
|
||
|
||
import lombok.AllArgsConstructor;
|
||
import lombok.Data;
|
||
import org.springframework.context.annotation.Bean;
|
||
import org.springframework.context.annotation.Configuration;
|
||
import org.springframework.core.annotation.Order;
|
||
import org.springframework.scheduling.annotation.EnableAsync;
|
||
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
|
||
|
||
import java.util.concurrent.Executor;
|
||
import java.util.concurrent.ThreadPoolExecutor;
|
||
|
||
/**
|
||
* @author hongawen
|
||
* @version 1.0.0
|
||
* @date 2022年03月11日 09:32
|
||
*/
|
||
@Data
|
||
@Order(100)
|
||
@Configuration
|
||
@EnableAsync
|
||
@AllArgsConstructor
|
||
public class AsyncConfiguration {
|
||
|
||
private final GeneralInfo generalInfo;
|
||
|
||
@Bean("asyncExecutor")
|
||
public Executor asyncExecutor() {
|
||
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
|
||
// 核心线程数：线程池创建时候初始化的线程数
|
||
executor.setCorePoolSize(generalInfo.getCorePoolSize());
|
||
// 最大线程数：线程池最大的线程数，只有在缓冲队列满了之后才会申请超过核心线程数的线程
|
||
executor.setMaxPoolSize(generalInfo.getMaxPoolSize());
|
||
// 缓冲队列：用来缓冲执行任务的队列
|
||
executor.setQueueCapacity(generalInfo.getQueueCapacity());
|
||
// 允许线程的空闲时间60秒：当超过了核心线程之外的线程在空闲时间到达之后会被销毁
|
||
executor.setKeepAliveSeconds(generalInfo.getKeepAliveSeconds());
|
||
// 线程池名的前缀：设置好了之后可以方便我们定位处理任务所在的线程池
|
||
executor.setThreadNamePrefix(generalInfo.getMicroServiceName());
|
||
// 缓冲队列满了之后的拒绝策略：由调用线程处理（一般是主线程）
|
||
executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
|
||
executor.initialize();
|
||
return executor;
|
||
}
|
||
|
||
}
|