package com.gs.xky.config;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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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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* 异步任务配置类
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* 配置专用线程池处理异步任务，避免阻塞Spring默认线程池
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*/
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@Configuration
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@EnableAsync
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public class AsyncConfig {
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private static final Logger log = LoggerFactory.getLogger(AsyncConfig.class);
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/**
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* 配置采购订单同步任务专用线程池
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* 使用有限的线程数，避免资源竞争
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*/
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@Bean(name = "purchaseTaskExecutor")
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public Executor purchaseTaskExecutor() {
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log.info("创建采购订单同步任务专用线程池");
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ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
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// 核心线程数设置为1，确保同一时间只有一个采购同步任务在执行
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executor.setCorePoolSize(1);
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// 最大线程数设置为2，允许有限的并发
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executor.setMaxPoolSize(2);
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// 队列容量
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executor.setQueueCapacity(5);
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// 线程名称前缀
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executor.setThreadNamePrefix("purchase-task-");
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// 拒绝策略：当线程池已满时，调用者线程执行任务
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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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// 初始化线程池
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executor.initialize();
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return executor;
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}
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/**
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* 配置通用异步任务线程池
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* 用于处理其他轻量级异步任务
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*/
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@Bean(name = "taskExecutor")
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public Executor taskExecutor() {
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log.info("创建通用异步任务线程池");
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ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
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// 核心线程数
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executor.setCorePoolSize(5);
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// 最大线程数
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executor.setMaxPoolSize(10);
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// 队列容量
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executor.setQueueCapacity(25);
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// 线程名称前缀
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executor.setThreadNamePrefix("async-task-");
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// 拒绝策略：当线程池已满时，调用者线程执行任务
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executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
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// 初始化线程池
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executor.initialize();
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return executor;
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}
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}
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