smengcl commented on a change in pull request #1134:
URL: https://github.com/apache/hadoop-ozone/pull/1134#discussion_r447295269
##########
File path:
hadoop-ozone/ozonefs-common/src/main/java/org/apache/hadoop/fs/ozone/BasicOzoneFileSystem.java
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@@ -606,6 +607,52 @@ public String getUsername() {
return userName;
}
+ /**
+ * Get the root directory of Trash for a path.
+ * Returns /.Trash/<username>
+ * Caller appends either Current or checkpoint timestamp for trash
destination
+ * @param path the trash root of the path to be determined.
+ * @return trash root
+ */
+ @Override
+ public Path getTrashRoot(Path path) {
+ final Path pathToTrash = new Path(OZONE_URI_DELIMITER, TRASH_PREFIX);
+ return new Path(pathToTrash, getUsername());
+ }
+
+ /**
+ * Get all the trash roots for current user or all users.
+ *
+ * @param allUsers return trash roots for all users if true.
+ * @return all the trash root directories.
+ * Returns .Trash of users if {@code /.Trash/$USER} exists.
+ */
+ @Override
+ public Collection<FileStatus> getTrashRoots(boolean allUsers) {
+ Path trashRoot = new Path(OZONE_URI_DELIMITER, TRASH_PREFIX);
+ List<FileStatus> ret = new ArrayList<>();
+ try {
+ if (!allUsers) {
+ Path userTrash = new Path(trashRoot, userName);
+ if (exists(userTrash)) {
Review comment:
Done.
Interestingly Hadoop's [default
implementation](https://github.com/apache/hadoop/blob/263c76b678275dfff867415c71ba9dc00a9235ef/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java#L3262-L3266)
doesn't check directories. But it would be nice to have.
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