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13693261870

2023-07-10 d561dbea2e06c44b54701712a025a5677d22f51d

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package com.moon.server.config;
 
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadPoolExecutor;
 
/**
 * 线程池配置类
 * @author WWW
 * @date 2023-07-10
 */
@Configuration
public class ThreadPoolConfig {
    /**
     * 核心线程池大小
     */
    private final static int CORE_POOL_SIZE = 50;
 
    /**
     * 最大可创建的线程数
     */
    private final static int MAX_POOL_SIZE = 200;
 
    /**
     * 队列最大长度
     */
    private final static int QUEUE_CAPACITY = 1000;
 
    /**
     * 线程池维护线程所允许的空闲时间
     */
    private final static int KEEP_ALIVE_SECONDS = 300;
 
    @Bean(name = "threadPoolTaskExecutor")
    public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setMaxPoolSize(MAX_POOL_SIZE);
        executor.setCorePoolSize(CORE_POOL_SIZE);
        executor.setQueueCapacity(QUEUE_CAPACITY);
        executor.setKeepAliveSeconds(KEEP_ALIVE_SECONDS);
        // 线程池对拒绝任务(无线程可用)的处理策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
 
        return executor;
    }
 
    /**
     * 执行周期性或定时任务
     */
    @Bean(name = "scheduledExecutorService")
    protected ScheduledExecutorService scheduledExecutorService() {
        return new ScheduledThreadPoolExecutor(CORE_POOL_SIZE,
                new BasicThreadFactory.Builder().namingPattern("schedule-pool-%d").daemon(true).build(),
                new ThreadPoolExecutor.CallerRunsPolicy()) {
            @Override
            protected void afterExecute(Runnable r, Throwable t) {
                super.afterExecute(r, t);
            }
        };
    }
}