mdf369 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_r269486551
##########
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())) {
Review comment:
I see, but only when "nodeNames.length > 1" the memtioned statement will be
executed, so nodeNames[0] will not be null as well. The order is same as many
implementations in MTree, so it should be fine.
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