package com.mes.config;
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import lombok.extern.slf4j.Slf4j;
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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.scheduling.annotation.EnableAsync;
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import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
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import java.util.concurrent.Executor;
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import java.util.concurrent.ThreadPoolExecutor;
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/**
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* 任务执行器配置
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* 用于异步执行多设备组任务
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*
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* @author mes
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* @since 2025-01-XX
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*/
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@Slf4j
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@Configuration
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@EnableAsync
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public class TaskExecutorConfig {
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/**
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* 设备组任务执行线程池
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* 每个设备组作为一个独立线程执行
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*/
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@Bean(name = "deviceGroupTaskExecutor")
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public Executor deviceGroupTaskExecutor() {
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ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
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// 核心线程数：支持同时执行的核心设备组数量
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executor.setCorePoolSize(5);
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// 最大线程数：最多同时执行的设备组数量
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executor.setMaxPoolSize(20);
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// 队列容量：等待执行的设备组任务数量
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executor.setQueueCapacity(100);
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// 线程名前缀
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executor.setThreadNamePrefix("DeviceGroupTask-");
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// 线程空闲时间（秒）
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executor.setKeepAliveSeconds(60);
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// 拒绝策略：当线程池和队列都满时，由调用线程执行
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executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
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// 等待所有任务结束后再关闭线程池
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executor.setWaitForTasksToCompleteOnShutdown(true);
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// 等待时间（秒）
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executor.setAwaitTerminationSeconds(60);
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executor.initialize();
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log.info("设备组任务线程池初始化完成: corePoolSize=5, maxPoolSize=20, queueCapacity=100");
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return executor;
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}
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}
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