package org.springblade.modules.email.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.TaskExecutor;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

@Configuration
@EnableAsync // 开启异步配置
public class ThreadPoolTaskExecutorConfig {

	@Bean
	public TaskExecutor taskExecutor() {
		ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
		//设置核心线程数
		executor.setCorePoolSize(10);
		//设置最大线程数
		executor.setMaxPoolSize(20);
		//缓冲队列200：用来缓冲执行任务的队列
		executor.setQueueCapacity(200);
		//线程活路时间 60 秒
		executor.setKeepAliveSeconds(60);
		//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("taskExecutor-");
		//设置拒绝策略
		executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
		executor.setWaitForTasksToCompleteOnShutdown(true);
		return executor;
	}
}