package com.tievd.jyz.config.mqtt;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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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.RejectedExecutionHandler;
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import java.util.concurrent.ThreadPoolExecutor;
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/**
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* 自定义指令async线程池配置
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* @author timi
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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 CommandAsyncConfig {
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@Value("${init.pool.custom.corePoolSize:10}")
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private Integer corePoolSize;
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@Value("${init.pool.custom.maxPoolSize:20}")
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private Integer maxPoolSize;
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@Value("${init.pool.custom.queueCapacity:10000}")
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private Integer queueCapacity;
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@Value("${init.pool.custom.keepAliveSeconds:100}")
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private Integer keepAliveSeconds;
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@Bean
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public Executor commandTaskAsyncPool() {
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ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
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//核心线程数
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executor.setCorePoolSize(corePoolSize);
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//最大线程数
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executor.setMaxPoolSize(maxPoolSize);
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//队列大小
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executor.setQueueCapacity(queueCapacity);
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//线程最大空闲时间
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executor.setKeepAliveSeconds(keepAliveSeconds);
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executor.setThreadNamePrefix("command-async-Executor-");
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executor.setRejectedExecutionHandler(new RejectedExecutionHandler() {
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@Override
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public void rejectedExecution(Runnable runnable, ThreadPoolExecutor threadPoolExecutor) {
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long submitted = threadPoolExecutor.getTaskCount();
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long completed = threadPoolExecutor.getCompletedTaskCount();
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log.error("自定义指令线程池已满，丢弃！任务总数:{},未完成任务数:{}",submitted,(submitted-completed));
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}
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});
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executor.initialize();
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return executor;
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}
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}
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