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https://issues.apache.org/jira/browse/HDFS-16963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17704520#comment-17704520
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ASF GitHub Bot commented on HDFS-16963:
---------------------------------------
saxenapranav commented on code in PR #5505:
URL: https://github.com/apache/hadoop/pull/5505#discussion_r1147270822
##########
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java:
##########
@@ -3876,10 +3873,9 @@ 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)
+ && supportsSymlinks()) {
Review Comment:
why we are adding `supportsSymlinks()`? capablity can be anything different
from `FS_SYMLINKS`
> Remove the unnecessary use of Optional from DistributedFileSystem
> -----------------------------------------------------------------
>
> Key: HDFS-16963
> URL: https://issues.apache.org/jira/browse/HDFS-16963
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: fs
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Labels: pull-request-available
>
> - In DfsPathCapabilities, the hasPathCapability(..) method may simply returns
> boolean.
> - In HdfsPathHandle, a constructor declares Optional parameters. It is a
> well known misuse of Optional.
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