package com.cec.plugins.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.lang.reflect.Method;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @author zhanghaijun
 * @date 2023/8/20 10:25
 * @description 异步执行配置信息
 */
@Slf4j
@Configuration
public class AsyncConfig implements AsyncConfigurer {
    @Override
    public Executor getAsyncExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(8); // 核心线程数
        executor.setMaxPoolSize(32);  // 最大线程数
        executor.setQueueCapacity(30); // 队列大小
        executor.setKeepAliveSeconds(60); // 线程最大空闲时间
        // 指定用于新创建的线程名称的前缀。
        executor.setThreadNamePrefix("async-cec-");
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        // 这一步千万不能忘了，否则报错： java.lang.IllegalStateException: ThreadPoolTaskExecutor not initialized
        executor.initialize();
        return executor;
    }

    /** 异步执行异常全局处理 */
    @Override
    public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {
        return (Throwable ex, Method method, Object... params) -> {
            log.error("glob async exception: {},method: {}, params: {}", ex.getMessage(), method.getName(), params);
        };
    }
}