com.zyy.common.config.ExecutorConfig Maven / Gradle / Ivy

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package com.zyy.common.config;

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

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

@Configuration
public class ExecutorConfig {
    @Bean
    public Executor asyncServiceExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        // 最大线程数
        executor.setMaxPoolSize(6);
        // 核心线程数
        executor.setCorePoolSize(4);
        // 队列
        executor.setQueueCapacity(100);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("handle-async-");
        // 设置拒绝策略：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        executor.initialize();
        return executor;
    }
}