[
https://issues.apache.org/jira/browse/HADOOP-11452?focusedWorklogId=476155&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-476155
]
ASF GitHub Bot logged work on HADOOP-11452:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 29/Aug/20 19:20
Start Date: 29/Aug/20 19:20
Worklog Time Spent: 10m
Work Description: steveloughran commented on a change in pull request
#743:
URL: https://github.com/apache/hadoop/pull/743#discussion_r479681352
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/impl/RenameHelper.java
##########
@@ -0,0 +1,174 @@
+/*
+ * 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
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.fs.impl;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.Optional;
+
+import org.slf4j.Logger;
+
+import org.apache.hadoop.fs.FileAlreadyExistsException;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Options;
+import org.apache.hadoop.fs.ParentNotDirectoryException;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.PathIOException;
+
+import static
org.apache.hadoop.fs.FSExceptionMessages.RENAME_DEST_EQUALS_SOURCE;
Review comment:
done!
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Issue Time Tracking
-------------------
Worklog Id: (was: 476155)
Time Spent: 1h 20m (was: 1h 10m)
> Make FileSystem.rename(path, path, options) public, specified, tested
> ---------------------------------------------------------------------
>
> Key: HADOOP-11452
> URL: https://issues.apache.org/jira/browse/HADOOP-11452
> Project: Hadoop Common
> Issue Type: Task
> Components: fs
> Affects Versions: 2.7.3
> Reporter: Yi Liu
> Assignee: Steve Loughran
> Priority: Major
> Labels: pull-request-available
> Attachments: HADOOP-11452-001.patch, HADOOP-11452-002.patch,
> HADOOP-14452-004.patch, HADOOP-14452-branch-2-003.patch
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Currently in {{FileSystem}}, {{rename}} with _Rename options_ is protected
> and with _deprecated_ annotation. And the default implementation is not
> atomic.
> So this method is not able to be used outside. On the other hand, HDFS has a
> good and atomic implementation. (Also an interesting thing in {{DFSClient}},
> the _deprecated_ annotations for these two methods are opposite).
> It makes sense to make public for {{rename}} with _Rename options_, since
> it's atomic for rename+overwrite, also it saves RPC calls if user desires
> rename+overwrite.
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