45 lines
1.4 KiB
Java
45 lines
1.4 KiB
Java
package com.greenorange.promotion.config;
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import lombok.Data;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.stereotype.Component;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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@Data
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@Configuration
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@ConfigurationProperties(prefix = "threadpool")
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public class ThreadPoolConfig {
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// 从配置文件中读取线程池的配置参数
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private int corePoolSize; // 核心线程数
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private int maxPoolSize; // 最大线程数
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private int queueCapacity; // 队列容量
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private long keepAliveTime; // 线程空闲时间，单位秒
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/**
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* 配置线程池
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* @return 线程池实例
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*/
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@Bean
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public ExecutorService threadPoolExecutor() {
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return new ThreadPoolExecutor(
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corePoolSize, // 核心线程数
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maxPoolSize, // 最大线程数
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keepAliveTime, // 空闲线程存活时间
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TimeUnit.SECONDS, // 空闲时间单位
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new LinkedBlockingQueue<>(queueCapacity), // 任务队列，设置队列大小
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new ThreadPoolExecutor.CallerRunsPolicy() // 拒绝策略：调用者运行
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);
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}
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}
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