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13693261870

2024-11-08 2b32f3b7e35272a584ecbbb91b7509ba20f837fa

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package com.yssh.config;
 
import java.util.concurrent.ThreadPoolExecutor;
 
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
 
/**
 * 线程池配置
 *
 * @author tam
 **/
@Configuration
@EnableAsync
public class ThreadPoolConfig {
    // 核心线程池大小
    private int corePoolSize = 50;
 
    // 最大可创建的线程数
    private int maxPoolSize = 200;
 
    // 队列最大长度
    private int queueCapacity = 1000;
 
    // 线程池维护线程所允许的空闲时间
    private int keepAliveSeconds = 300;
    
    //配置线程池中的线程的名称前缀
    private String threadNamePrefix = "async-importDB-";
 
    @Bean(name = "threadPoolTaskExecutor")
    public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setMaxPoolSize(maxPoolSize);
        executor.setCorePoolSize(corePoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setKeepAliveSeconds(keepAliveSeconds);
        executor.setThreadNamePrefix(threadNamePrefix);
        // 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;
    }
 
}