package com.tianbo.messagebus.bean;

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

import java.util.concurrent.ThreadPoolExecutor;

@Configuration
public class ParseThreadConfig {

    @Bean("PARSE-POOL")
    public TaskExecutor executor(){
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(24);
        //配置最大线程数
        executor.setMaxPoolSize(128);
        //配置队列大小
        executor.setQueueCapacity(2000);
        //线程的名称前缀
        executor.setThreadNamePrefix("PARSE-");
        //线程活跃时间（秒）
        executor.setKeepAliveSeconds(60);
        //等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(false);
        // 设置拒绝策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }
}