uniform naming

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/queue/TaskQueueZkImpl.java

@@ -45,10 +45,10 @@ public class TaskQueueZkImpl implements ITaskQueue {
 
         try {
             String tasksQueuePath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_QUEUE);
-            String tasksCancelPath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_KILL);
+            String tasksKillPath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_KILL);
 
-            for(String key : new String[]{tasksQueuePath,tasksCancelPath}){
-                if(!zookeeperOperator.isExisted(key)){
+            for (String key : new String[]{tasksQueuePath,tasksKillPath}){
+                if (!zookeeperOperator.isExisted(key)){
                     zookeeperOperator.persist(key, "");
                     logger.info("create tasks queue parent node success : {}", key);
                 }
@@ -340,20 +340,20 @@ public class TaskQueueZkImpl implements ITaskQueue {
     public void delete(){
         try {
             String tasksQueuePath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_QUEUE);
-            String tasksCancelPath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_KILL);
+            String tasksKillPath = getTasksPath(Constants.DOLPHINSCHEDULER_TASKS_KILL);
 
-            for(String taskQueuePath : new String[]{tasksQueuePath,tasksCancelPath}){
-                if(zookeeperOperator.isExisted(taskQueuePath)){
-                    List<String> list = zookeeperOperator.getChildrenKeys(taskQueuePath);
+            for (String key : new String[]{tasksQueuePath,tasksKillPath}){
+                if (zookeeperOperator.isExisted(key)){
+                    List<String> list = zookeeperOperator.getChildrenKeys(key);
                     for (String task : list) {
-                        zookeeperOperator.remove(taskQueuePath + Constants.SINGLE_SLASH + task);
-                        logger.info("delete task from tasks queue : {}/{} ",taskQueuePath,task);
+                        zookeeperOperator.remove(key + Constants.SINGLE_SLASH + task);
+                        logger.info("delete task from tasks queue : {}/{} ", key, task);
                     }
                 }
             }
 
         } catch (Exception e) {
-            logger.error("delete all tasks in tasks queue failure",e);
+            logger.error("delete all tasks in tasks queue failure", e);
         }
     }