为异步任务，添加线程池控制

+package com.sunyo.wlpt.message.bus.service.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadPoolExecutor;
+
+/**
+ * @author 子诚
+ * Description：为异步任务，创建线程池
+ * 时间：2020/8/20 14:15
+ */
+@Configuration
+public class TaskConfiguration {
+    @Bean("taskExecutor")
+    public Executor taskExecutor() {
+        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
+        // 核心线程数
+        executor.setCorePoolSize(20);
+        // 最大线程数
+        executor.setMaxPoolSize(100);
+        // 缓冲队列
+        executor.setQueueCapacity(200);
+        // 允许线程的空闲时间
+        executor.setKeepAliveSeconds(60);
+        // 线程池名的前缀
+        executor.setThreadNamePrefix("taskExecutor-");
+
+        // 优雅的关闭线程池，
+        executor.setWaitForTasksToCompleteOnShutdown(true);
+        executor.setAwaitTerminationSeconds(60);
+
+        // 线程池对拒绝任务的处理策略,CallerRunsPolicy策略,当线程池没有处理能力的时候，该策略会直接在execute方法的调用线程中运行被拒绝的任务；
+        // 如果执行程序已关闭，则会丢弃该任务
+        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
+        return executor;
+    }
+}

@@ -53,7 +53,7 @@ public class AsyncTaskService {
      *
      * @param sentData {@link XmlData}
      */
-    @Async
+    @Async("taskExecutor")
     public void saveMessage(XmlData sentData)
     {
         // 无论消息是否发送成功，将消息存储于数据库
@@ -64,7 +64,7 @@ public class AsyncTaskService {
      * 当删除服务器的时候,级联删除与服务器有关的
      * 虚拟主机,交换机，路由键，队列，绑定关系
      */
-    @Async
+    @Async("taskExecutor")
     @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRED)
     public void serverCascadeDelete(BusServer busServer) throws IOException, TimeoutException
     {
@@ -105,7 +105,7 @@ public class AsyncTaskService {
      * 当删除虚拟主机的时候，级联删除与虚拟主机有关的
      * 交换机，路由键，队列，绑定关系
      */
-    @Async
+    @Async("taskExecutor")
     @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRED)
     public void virtualHostCascadeDelete(VirtualHost virtualHost) throws IOException, TimeoutException
     {
@@ -143,7 +143,7 @@ public class AsyncTaskService {
      * <p>
      * 同时，删除包含该路由键的绑定关系
      */
-    @Async
+    @Async("taskExecutor")
     @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRED)
     public void exchangeCascadeDelete(BusExchange busExchange)
     {
@@ -162,7 +162,7 @@ public class AsyncTaskService {
     /**
      * 当删除路由键的时候，删除包含该路由键的绑定关系
      */
-    @Async
+    @Async("taskExecutor")
     public void routingKeyCascadeDelete(RoutingKey routingKey) throws IOException, TimeoutException
     {
         String routingKeyId = routingKey.getId();
@@ -179,8 +179,8 @@ public class AsyncTaskService {
     /**
      * 当删除队列的时候，删除包含队列的绑定关系
      */
-    @Async
-    public void queueCascadeDelete(BusQueue busQueue)
+    @Async("taskExecutor")
+    public void  queueCascadeDelete(BusQueue busQueue)
     {
         // 删除相关绑定关系
         userMessageBindingService.deleteByQueueId(busQueue.getId());