[GitHub] [hadoop] mukul1987 commented on a change in pull request #2166: HDFS-15488. Add a command to list all snapshots for a snaphottable root with snapshot Ids.

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mukul1987 commented on a change in pull request #2166:
URL: https://github.com/apache/hadoop/pull/2166#discussion_r460634035



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File path: hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/SnapshotStatus.java
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@@ -0,0 +1,218 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hdfs.protocol;
+
+import java.io.PrintStream;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.EnumSet;
+
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.hdfs.DFSUtilClient;
+
+/**
+ * Metadata about a snapshottable directory
+ */
+public class SnapshotStatus {

Review comment:
       SnapshotStatus should extend HDFSFileStatus, so that this can also be used as a status object if required,




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