package com.common.configure;
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import cn.hutool.core.thread.NamedThreadFactory;
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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.SynchronousQueue;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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/**
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* @auther:廖振钦
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* @date: 2022-01-04
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* */
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@Configuration
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public class ThreadPoolTaskConfig {
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private static final int corePoolSize = 10; // 核心线程数（默认线程数）
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private static final int maxPoolSize = 100; // 最大线程数
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private static final int keepAliveTime = 10; // 允许线程空闲时间（单位：默认为秒）
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private static final int queueCapacity = 200; // 缓冲队列数
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private static final String threadNamePrefix = "Async-Service-"; // 线程池名前缀
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@Bean("taskExecutor") // bean的名称，默认为首字母小写的方法名
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public ThreadPoolTaskExecutor getAsyncExecutor(){
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ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
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executor.setCorePoolSize(corePoolSize);
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executor.setMaxPoolSize(maxPoolSize);
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executor.setQueueCapacity(queueCapacity);
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executor.setKeepAliveSeconds(keepAliveTime);
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executor.setThreadNamePrefix(threadNamePrefix);
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// 线程池对拒绝任务的处理策略
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executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
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// 初始化
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executor.initialize();
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return executor;
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}
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@Bean
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public ThreadPoolExecutor ThreadPoolExecutor(){
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return new ThreadPoolExecutor(0, Integer.MAX_VALUE,
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60L, TimeUnit.SECONDS,
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new SynchronousQueue<Runnable>(),new NamedThreadFactory("cacha-thread-pool", true));
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}
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}
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