[GitHub] [incubator-iotdb] MyXOF commented on a change in pull request #114: add check SG for MManager, MGraph and MTree

[GitBox <gi...@apache.org>]

MyXOF commented on a change in pull request #114: add check SG for MManager, MGraph and MTree
URL: https://github.com/apache/incubator-iotdb/pull/114#discussion_r269478041
 
 

 ##########
 File path: iotdb/src/main/java/org/apache/iotdb/db/metadata/MTree.java
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 @@ -212,6 +212,34 @@ public void setStorageGroup(String path) throws PathErrorException {
     setDataFileName(path, cur);
   }
 
+  /**
+   * check whether the input path is storage group or not
+   * @param path input path
+   * @return if it is storage group, return true. Else return false
+   */
+  public boolean checkStorageGroup(String path) {
+    String[] nodeNames = path.split(DOUB_SEPARATOR);
+    MNode cur = root;
+    if (nodeNames.length <= 1 || !nodeNames[0].equals(root.getName())) {
+      return false;
+    }
+    int i = 1;
+    while (i < nodeNames.length - 1) {
+      MNode temp = cur.getChild(nodeNames[i]);
+      if (temp == null && temp.isStorageLevel()) {
 
 Review comment:
   if temp is null how to invoke isStorageLevel() function?

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