package com.hanserwei.hannote.auth.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.ThreadPoolExecutor;

@Configuration
public class ThreadPoolConfig {
    @Bean(name = "authTaskExecutor")
    public ThreadPoolTaskExecutor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //核心线程数
        executor.setCorePoolSize(10);
        //最大线程数
        executor.setMaxPoolSize(50);
        //队列容量
        executor.setQueueCapacity(200);
        //活跃时间
        executor.setKeepAliveSeconds(30);
        //线程名前缀
        executor.setThreadNamePrefix("AuthExecutor-");

        //拒绝策略：由调用线程处理，一般为主线程
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        // 设置等待时间，如果超过这个时间还没有销毁就强制销毁，以确保应用最后能够被关闭，而不是被没有完成的任务阻塞
        executor.setAwaitTerminationSeconds(60);

        executor.initialize();
        return executor;
    }
}
