[代码完善](master): 代码优化

close https://github.com/elunez/eladmin/issues/752

eladmin-generator/src/main/java/me/zhengjie/utils/GenUtil.java

-/*
+/*
  *  Copyright 2019-2020 Zheng Jie
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");

eladmin-system/src/main/java/me/zhengjie/config/thread/AsyncTaskExecutePool.java

@@ -43,8 +43,8 @@ public class AsyncTaskExecutePool implements AsyncConfigurer {
         executor.setQueueCapacity(AsyncTaskProperties.queueCapacity);
         //活跃时间
         executor.setKeepAliveSeconds(AsyncTaskProperties.keepAliveSeconds);
-        //线程名字前缀
-        executor.setThreadNamePrefix("el-async-");
+        //线程工厂
+        executor.setThreadFactory(new TheadFactoryName("el-async"));
         // setRejectedExecutionHandler：当pool已经达到max size的时候，如何处理新任务
         // CallerRunsPolicy：不在新线程中执行任务，而是由调用者所在的线程来执行
         executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());

eladmin-system/src/main/java/me/zhengjie/config/thread/TheadFactoryName.java

@@ -15,8 +15,8 @@
  */
 package me.zhengjie.config.thread;
 
+import me.zhengjie.utils.StringUtils;
 import org.springframework.stereotype.Component;
-
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -33,24 +33,25 @@ public class TheadFactoryName implements ThreadFactory {
     private final AtomicInteger threadNumber = new AtomicInteger(1);
     private final String namePrefix;
 
+    private final static String DEF_NAME = "el-pool-";
+
     public TheadFactoryName() {
-        this("el-pool");
+        this(DEF_NAME);
     }
 
-    private TheadFactoryName(String name){
+    public TheadFactoryName(String name){
         SecurityManager s = System.getSecurityManager();
         group = (s != null) ? s.getThreadGroup() :
                 Thread.currentThread().getThreadGroup();
         //此时namePrefix就是 name + 第几个用这个工厂创建线程池的
-        this.namePrefix = name +
-                POOL_NUMBER.getAndIncrement();
+        this.namePrefix = (StringUtils.isNotBlank(name) ? name : DEF_NAME) + "-" + POOL_NUMBER.getAndIncrement();
     }
 
     @Override
     public Thread newThread(Runnable r) {
-        //此时线程的名字 就是 namePrefix + -thread- + 这个线程池中第几个执行的线程
+        //此时线程的名字 就是 namePrefix + -exec- + 这个线程池中第几个执行的线程
         Thread t = new Thread(group, r,
-                namePrefix + "-thread-"+threadNumber.getAndIncrement(),
+                namePrefix + "-exec-"+threadNumber.getAndIncrement(),
                 0);
         if (t.isDaemon()) {
             t.setDaemon(false);

eladmin-system/src/main/java/me/zhengjie/config/thread/ThreadPoolExecutorUtil.java

@@ -16,6 +16,7 @@
 package me.zhengjie.config.thread;
 
 import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.ExecutorService;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
@@ -26,14 +27,20 @@ import java.util.concurrent.TimeUnit;
  */
 public class ThreadPoolExecutorUtil {
 
-    public static ThreadPoolExecutor getPoll(){
+    public static ExecutorService getPoll(){
+        return getPoll(null);
+    }
+
+    public static ExecutorService getPoll(String threadName){
         return new ThreadPoolExecutor(
                 AsyncTaskProperties.corePoolSize,
                 AsyncTaskProperties.maxPoolSize,
                 AsyncTaskProperties.keepAliveSeconds,
                 TimeUnit.SECONDS,
                 new ArrayBlockingQueue<>(AsyncTaskProperties.queueCapacity),
-                new TheadFactoryName()
+                new TheadFactoryName(threadName),
+                // 队列与线程池中线程都满了时使用调用者所在的线程来执行
+                new ThreadPoolExecutor.CallerRunsPolicy()
         );
     }
 }

eladmin-system/src/main/java/me/zhengjie/modules/quartz/utils/ExecutionJob.java

@@ -19,6 +19,7 @@ import cn.hutool.extra.template.Template;
 import cn.hutool.extra.template.TemplateConfig;
 import cn.hutool.extra.template.TemplateEngine;
 import cn.hutool.extra.template.TemplateUtil;
+import me.zhengjie.config.thread.ThreadPoolExecutorUtil;
 import me.zhengjie.domain.vo.EmailVo;
 import me.zhengjie.modules.quartz.domain.QuartzJob;
 import me.zhengjie.modules.quartz.domain.QuartzLog;
@@ -32,7 +33,6 @@ import me.zhengjie.utils.ThrowableUtil;
 import org.quartz.JobExecutionContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.scheduling.annotation.Async;
 import org.springframework.scheduling.quartz.QuartzJobBean;
 import java.util.*;
 import java.util.concurrent.*;
@@ -42,15 +42,15 @@ import java.util.concurrent.*;
  * @author /
  * @date 2019-01-07
  */
-@Async
 public class ExecutionJob extends QuartzJobBean {
 
     private final Logger logger = LoggerFactory.getLogger(this.getClass());
 
+    // 此处仅供参考，可根据任务执行情况自定义线程池参数
+    private final static ExecutorService executor = ThreadPoolExecutorUtil.getPoll("el-quartz-job");
+
     @Override
     public void executeInternal(JobExecutionContext context) {
-        // 创建单个线程
-        ExecutorService executor = Executors.newSingleThreadExecutor();
         // 获取任务
         QuartzJob quartzJob = (QuartzJob) context.getMergedJobDataMap().get(QuartzJob.JOB_KEY);
         // 获取spring bean
@@ -112,7 +112,6 @@ public class ExecutionJob extends QuartzJobBean {
             }
         } finally {
             quartzLogRepository.save(log);
-            executor.shutdown();
         }
     }