删除交换机，级联删除对应的路由键和配置关系

@@ -4,7 +4,7 @@ import com.sunyo.wlpt.message.bus.service.domain.XmlData;
 import com.sunyo.wlpt.message.bus.service.exception.CustomExceptionType;
 import com.sunyo.wlpt.message.bus.service.rabbit.utils.DirectUtils;
 import com.sunyo.wlpt.message.bus.service.response.ResultJson;
-import com.sunyo.wlpt.message.bus.service.service.AsyncTaskService;
+import com.sunyo.wlpt.message.bus.service.service.impl.AsyncTaskService;
 import com.sunyo.wlpt.message.bus.service.service.UserMessageBindingService;
 import com.sunyo.wlpt.message.bus.service.utils.XmlUtils;
 import lombok.extern.slf4j.Slf4j;

@@ -92,4 +92,12 @@ public interface RoutingKeyMapper {
      * @return List<RoutingKey>
      */
     List<RoutingKey> selectRoutingKeyExist(RoutingKey routingKey);
+
+    /**
+     * 根据交换机id，删除路由键信息
+     *
+     * @param exchangeId 交换机id
+     * @return
+     */
+    int deleteByExchangeId(String exchangeId);
 }

@@ -23,6 +23,22 @@ public interface UserMessageBindingMapper {
     int deleteByPrimaryKey(String id);
 
     /**
+     * 根据交换机id删除配置关系
+     *
+     * @param exchangeId 交换机id
+     * @return 删除成功
+     */
+    int deleteByExchangeId(String exchangeId);
+
+    /**
+     * 根据队列Id，删除绑定关系
+     *
+     * @param queueId 队列id
+     * @return
+     */
+    int deleteByQueueId(String queueId);
+
+    /**
      * insert record to table
      *
      * @param record the record
@@ -94,4 +110,5 @@ public interface UserMessageBindingMapper {
      * @return 判断校验是否通过
      */
     List<UserMessageBinding> validateXmlBinding(XmlData xmlData);
+
 }
\ No newline at end of file

-package com.sunyo.wlpt.message.bus.service.service;
-
-import com.sunyo.wlpt.message.bus.service.domain.XmlData;
-import org.springframework.scheduling.annotation.Async;
-import org.springframework.stereotype.Component;
-
-import javax.annotation.Resource;
-
-/**
- * @author 子诚
- * Description：这个Service，用来保存异步任务；
- * 注意点：异步任务需要单独放在一个类中
- * 时间：2020/7/30 15:59
- */
-@Component
-public class AsyncTaskService {
-
-    @Resource
-    private MessageNoteService messageNoteService;
-
-    @Async
-    public void saveMessage(XmlData sentData)
-    {
-        // 无论消息是否发送成功，将消息存储于数据库
-        messageNoteService.insertMessageSelective(sentData);
-    }
-
-}

@@ -21,6 +21,14 @@ public interface RoutingKeyService {
     int deleteByPrimaryKey(String id);
 
     /**
+     * 根据交换机id，删除路由键信息
+     *
+     * @param exchangeId 交换机id
+     * @return
+     */
+    int deleteByExchangeId(String exchangeId);
+
+    /**
      * 新增
      *
      * @param record the record

@@ -22,6 +22,22 @@ public interface UserMessageBindingService {
     int deleteByPrimaryKey(String id) throws IOException, TimeoutException;
 
     /**
+     * 根据交换机id删除配置关系
+     *
+     * @param exchangeId 交换机id
+     * @return 删除成功
+     */
+    int deleteByExchangeId(String exchangeId);
+
+    /**
+     * 根据队列Id，删除绑定关系
+     *
+     * @param queueId 队列id
+     * @return
+     */
+    int deleteByQueueId(String queueId);
+
+    /**
      * 新增
      *
      * @param record the record
@@ -77,7 +93,7 @@ public interface UserMessageBindingService {
      * @param xmlData {@link XmlData} 解析之后的数据
      * @return true or false
      */
-    public Boolean validateXmlBinding(XmlData xmlData);
+    Boolean validateXmlBinding(XmlData xmlData);
 }
 
 

+package com.sunyo.wlpt.message.bus.service.service.impl;
+
+import com.sunyo.wlpt.message.bus.service.domain.BusExchange;
+import com.sunyo.wlpt.message.bus.service.domain.BusQueue;
+import com.sunyo.wlpt.message.bus.service.domain.XmlData;
+import com.sunyo.wlpt.message.bus.service.service.MessageNoteService;
+import com.sunyo.wlpt.message.bus.service.service.RoutingKeyService;
+import com.sunyo.wlpt.message.bus.service.service.UserMessageBindingService;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+
+/**
+ * @author 子诚
+ * Description：这个Service，用来保存异步任务；
+ * 注意点：异步任务需要单独放在一个类中
+ * 时间：2020/7/30 15:59
+ */
+@Component
+public class AsyncTaskService {
+
+    @Resource
+    private MessageNoteService messageNoteService;
+
+    @Resource
+    private RoutingKeyService routingKeyService;
+
+    @Resource
+    private UserMessageBindingService userMessageBindingService;
+
+    /**
+     * 异步，无论消息是否发送成功，将消息存储于数据库
+     *
+     * @param sentData {@link XmlData}
+     */
+    @Async
+    public void saveMessage(XmlData sentData)
+    {
+        // 无论消息是否发送成功，将消息存储于数据库
+        messageNoteService.insertMessageSelective(sentData);
+    }
+
+    /**
+     * 当删除服务器的时候
+     */
+
+
+    /**
+     * 当删除虚拟主机的时候
+     */
+
+
+    /**
+     * 当删除交换机的时候，
+     * 同时，删除对应的路由键，删除包含交换机的绑定关系
+     */
+    @Async
+    void exchangeCascadeDelete(BusExchange busExchange)
+    {
+        // 删除相关路由键
+        routingKeyService.deleteByExchangeId(busExchange.getId());
+        // 删除相关配置关系
+        userMessageBindingService.deleteByExchangeId(busExchange.getId());
+    }
+
+    /**
+     * 当删除队列的时候，删除包含队列的绑定关系
+     */
+    @Async
+    void queueCascadeDelete(BusQueue busQueue)
+    {
+        // 删除相关配置关系
+        userMessageBindingService.deleteByQueueId(busQueue.getId());
+    }
+}

@@ -27,6 +27,9 @@ public class BusExchangeServiceImpl implements BusExchangeService {
     private BusExchangeMapper busExchangeMapper;
 
     @Resource
+    private AsyncTaskService asyncTaskService;
+
+    @Resource
     RabbitUtils rabbitUtils;
 
     @Override
@@ -41,8 +44,12 @@ public class BusExchangeServiceImpl implements BusExchangeService {
             String[] split = id.split(splitItem);
             for (int i = 0; i < split.length; i++) {
                 BusExchange busExchange = selectByPrimaryKey(split[i]);
+                // 删除数据库的交换机记录
                 int num = busExchangeMapper.deleteByPrimaryKey(split[i]);
+                // 删除MQ服务器上的交换机
                 deleteExchange(busExchange);
+                // 级联删除与交换机相关的路由键，配置关系
+                asyncTaskService.exchangeCascadeDelete(busExchange);
                 if (num > 0) {
                     index = index + num;
                 }
@@ -54,8 +61,12 @@ public class BusExchangeServiceImpl implements BusExchangeService {
             }
         } else {
             BusExchange busExchange = selectByPrimaryKey(id);
+            // 删除数据库的交换机记录
             int num = busExchangeMapper.deleteByPrimaryKey(id);
+            // 删除MQ服务器上的交换机
             deleteExchange(busExchange);
+            // 级联删除与交换机相关的路由键，配置关系
+            asyncTaskService.exchangeCascadeDelete(busExchange);
             return num;
         }
     }

@@ -31,6 +31,8 @@ public class BusQueueServiceImpl implements BusQueueService {
     @Resource
     private RabbitUtils rabbitUtils;
 
+    @Resource
+    private AsyncTaskService asyncTaskService;
 
     @Override
     @Transactional(rollbackFor = Exception.class, propagation = Propagation.REQUIRED)
@@ -44,8 +46,12 @@ public class BusQueueServiceImpl implements BusQueueService {
             String[] split = id.split(splitItem);
             for (int i = 0; i < split.length; i++) {
                 BusQueue busQueue = selectByPrimaryKey(split[i]);
+                // 删除数据库中的该队列
                 int num = busQueueMapper.deleteByPrimaryKey(split[i]);
+                // 删除MQ服务器上的队列
                 deleteQueue(busQueue);
+                // 级联删除数据库中与队列有关的配置关系
+                asyncTaskService.queueCascadeDelete(busQueue);
                 if (num > 0) {
                     index = index + num;
                 }
@@ -57,8 +63,12 @@ public class BusQueueServiceImpl implements BusQueueService {
             }
         } else {
             BusQueue busQueue = selectByPrimaryKey(id);
+            // 删除数据库中的该队列
             int num = busQueueMapper.deleteByPrimaryKey(id);
+            // 删除MQ服务器上的队列
             deleteQueue(busQueue);
+            // 级联删除数据库中与队列有关的配置关系
+            asyncTaskService.queueCascadeDelete(busQueue);
             return num;
         }
     }

@@ -51,6 +51,12 @@ public class RoutingKeyServiceImpl implements RoutingKeyService {
     }
 
     @Override
+    public int deleteByExchangeId(String exchangeId)
+    {
+        return routingKeyMapper.deleteByExchangeId(exchangeId);
+    }
+
+    @Override
     public int insert(RoutingKey record)
     {
         return routingKeyMapper.insert(record);

@@ -423,6 +423,18 @@ public class UserMessageBindingServiceImpl implements UserMessageBindingService
         List<UserMessageBinding> list = userMessageBindingMapper.validateXmlBinding(xmlData);
         return list.size() > 0;
     }
+
+    @Override
+    public int deleteByExchangeId(String exchangeId)
+    {
+        return userMessageBindingMapper.deleteByExchangeId(exchangeId);
+    }
+
+    @Override
+    public int deleteByQueueId(String queueId)
+    {
+        return userMessageBindingMapper.deleteByQueueId(queueId);
+    }
 }
 
 

@@ -107,6 +107,13 @@
         from routing_key
         where id = #{id,jdbcType=VARCHAR}
     </delete>
+    <delete id="deleteByExchangeId" parameterType="java.lang.String">
+        <!--@mbg.generated-->
+        delete
+        from routing_key
+        where exchange_id = #{exchangeId,jdbcType=VARCHAR}
+    </delete>
+
     <insert id="insert" parameterType="com.sunyo.wlpt.message.bus.service.domain.RoutingKey">
         <!--@mbg.generated-->
         insert into routing_key (id, routing_key_name, exchange_id,

@@ -33,11 +33,29 @@
       from user_message_binding
       where id = #{id,jdbcType=VARCHAR}
   </select>
+
   <delete id="deleteByPrimaryKey" parameterType="java.lang.String">
-      <!--@mbg.generated-->delete
-                           from user_message_binding
-                           where id = #{id,jdbcType=VARCHAR}
+      <!--@mbg.generated-->
+      delete
+      from user_message_binding
+      where id = #{id,jdbcType=VARCHAR}
   </delete>
+
+    <!--  根据交换机id，删除配置关系-->
+    <delete id="deleteByExchangeId" parameterType="java.lang.String">
+        <!--@mbg.generated-->
+        delete
+        from user_message_binding
+        where exchange_id = #{exchangeId,jdbcType=VARCHAR}
+    </delete>
+
+    <!--  根据队列id，删除配置关系-->
+    <delete id="deleteByQueueId" parameterType="java.lang.String">
+        <!--@mbg.generated-->
+        delete
+        from user_message_binding
+        where queue_id = #{queueId,jdbcType=VARCHAR}
+    </delete>
   <insert id="insert" parameterType="com.sunyo.wlpt.message.bus.service.domain.UserMessageBinding">
       <!--@mbg.generated-->
       insert into user_message_binding (id, user_id, username,
@@ -354,7 +372,7 @@
 
     <select id="validateXmlBinding" parameterType="com.sunyo.wlpt.message.bus.service.domain.XmlData"
             resultMap="BaseResultMap">
-    select
+        select
         <include refid="Base_Column_List"/>
         from user_message_binding
         <where>