add verify queue_name

escheduler-api/src/main/java/cn/escheduler/api/enums/Status.java

@@ -152,7 +152,8 @@ public enum Status {
     CREATE_QUEUE_ERROR(10127, "create queue error"),
     QUEUE_NOT_EXIST(10128, "queue {0} not exists"),
     QUEUE_EXIST(10129, "queue already exists"),
-    UPDATE_QUEUE_ERROR(10130, "update queue error"),
+    QUEUE_NAME_EXIST(10130, "queue name already exists"),
+    UPDATE_QUEUE_ERROR(10131, "update queue error"),
 
 
     UDF_FUNCTION_NOT_EXIST(20001, "UDF function not found"),

escheduler-api/src/main/java/cn/escheduler/api/service/QueueService.java

@@ -62,6 +62,7 @@ public class QueueService extends BaseService{
 
     /**
      * query queue list paging
+     *
      * @param loginUser
      * @param searchVal
      * @param pageNo
@@ -88,6 +89,14 @@ public class QueueService extends BaseService{
         return result;
     }
 
+    /**
+     * create queue
+     *
+     * @param loginUser
+     * @param queue
+     * @param queueName
+     * @return
+     */
     public Map<String, Object> createQueue(User loginUser, String queue, String queueName) {
         Map<String, Object> result = new HashMap<>(5);
         if (checkAdmin(loginUser, result)) {
@@ -99,6 +108,11 @@ public class QueueService extends BaseService{
             return result;
         }
 
+        if (checkQueueExists(queueName)) {
+            putMsg(result, Status.QUEUE_NAME_EXIST, queueName);
+            return result;
+        }
+
         Queue queueObj = new Queue();
         Date now = new Date();
 
@@ -113,6 +127,15 @@ public class QueueService extends BaseService{
         return result;
     }
 
+    /**
+     * update queue
+     *
+     * @param loginUser
+     * @param id
+     * @param queue
+     * @param queueName
+     * @return
+     */
     public Map<String, Object> updateQueue(User loginUser, int id, String queue, String queueName) {
         Map<String, Object> result = new HashMap<>(5);
         if (checkAdmin(loginUser, result)) {
@@ -120,7 +143,6 @@ public class QueueService extends BaseService{
         }
 
 
-
         Queue queueObj = queueMapper.queryById(id);
         if (queueObj == null) {
             putMsg(result, Status.QUEUE_NOT_EXIST, id);