saxenapranav commented on code in PR #5505:
URL: https://github.com/apache/hadoop/pull/5505#discussion_r1147140028


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hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java:
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@@ -2207,10 +2206,8 @@ public boolean hasPathCapability(final Path path, final 
String capability)
       throws IOException {
     // qualify the path to make sure that it refers to the current FS.
     final Path p = makeQualified(path);
-    Optional<Boolean> cap = DfsPathCapabilities.hasPathCapability(p,
-        capability);
-    if (cap.isPresent()) {
-      return cap.get();
+    if (DfsPathCapabilities.hasPathCapability(p, capability)) {

Review Comment:
   I am completely understanding your point. But my only difference is that if 
something is returned from `DfsPathCapabilities.hasPathCapability` should be 
returned back to caller of `DistributedFileSystem.hasPathCapablity), without 
going to super's method.
   
   I understand that super.hasPathCapability call doesn't pose any issue as of 
now and we can see for Enum in case more complications are added in future. I 
have a suggestion in the tests 
https://github.com/szetszwo/hadoop/commit/6ddc4f245b2f234bc5da5b3f02c1882ecc5fdaec.
 In this commit it has added asserts on the conditions used in 
`FileSystem.hasPathCapablity` Would be awesome if you can pick my commit in 
your pr.
   
   Thanks.



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