HADOOP-12446. Undeprecate createNonRecursive(). Contributed by Ted Yu.

(cherry picked from commit 3abbdc929b)

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -279,6 +279,8 @@ Release 2.8.0 - UNRELEASED
     HADOOP-12428. Fix inconsistency between log-level guards and statements.
     (Jagadesh Kiran N and Jackie Chang via ozawa)
 
+    HADOOP-12446. Undeprecate createNonRecursive() (Ted Yu via kihwal)
+
   OPTIMIZATIONS
 
     HADOOP-11785. Reduce the number of listStatus operation in distcp

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java

@@ -1089,9 +1089,7 @@ public abstract class FileSystem extends Configured implements Closeable {
    * @param progress
    * @throws IOException
    * @see #setPermission(Path, FsPermission)
-   * @deprecated API only for 0.20-append
    */
-  @Deprecated
   public FSDataOutputStream createNonRecursive(Path f,
       boolean overwrite,
       int bufferSize, short replication, long blockSize,
@@ -1114,9 +1112,7 @@ public abstract class FileSystem extends Configured implements Closeable {
    * @param progress
    * @throws IOException
    * @see #setPermission(Path, FsPermission)
-   * @deprecated API only for 0.20-append
    */
-   @Deprecated
    public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
        boolean overwrite, int bufferSize, short replication, long blockSize,
        Progressable progress) throws IOException {
@@ -1139,9 +1135,7 @@ public abstract class FileSystem extends Configured implements Closeable {
     * @param progress
     * @throws IOException
     * @see #setPermission(Path, FsPermission)
-    * @deprecated API only for 0.20-append
     */
-    @Deprecated
     public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
         EnumSet<CreateFlag> flags, int bufferSize, short replication, long blockSize,
         Progressable progress) throws IOException {

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FilterFileSystem.java

@@ -203,7 +203,6 @@ public class FilterFileSystem extends FileSystem {
 
 
   @Override
-  @Deprecated
   public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
       EnumSet<CreateFlag> flags, int bufferSize, short replication, long blockSize,
       Progressable progress) throws IOException {

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/HarFileSystem.java

@@ -713,7 +713,6 @@ public class HarFileSystem extends FileSystem {
     throw new IOException("Har: create not allowed.");
   }
 
-  @SuppressWarnings("deprecation")
   @Override
   public FSDataOutputStream createNonRecursive(Path f, boolean overwrite,
       int bufferSize, short replication, long blockSize, Progressable progress)

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/RawLocalFileSystem.java

@@ -312,7 +312,6 @@ public class RawLocalFileSystem extends FileSystem {
   }
   
   @Override
-  @Deprecated
   public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
       EnumSet<CreateFlag> flags, int bufferSize, short replication, long blockSize,
       Progressable progress) throws IOException {

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/ChRootedFileSystem.java

@@ -185,7 +185,6 @@ class ChRootedFileSystem extends FilterFileSystem {
   }
   
   @Override
-  @Deprecated
   public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
       EnumSet<CreateFlag> flags, int bufferSize, short replication, long blockSize,
       Progressable progress) throws IOException {

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/TestHarFileSystem.java

@@ -55,7 +55,6 @@ public class TestHarFileSystem {
    * {@link HarFileSystem}. Either because there is a default implementation
    * already available or because it is not relevant.
    */
-  @SuppressWarnings("deprecation")
   private interface MustNotImplement {
     public BlockLocation[] getFileBlockLocations(Path p, long start, long len);
     public long getLength(Path f);

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java

@@ -484,7 +484,6 @@ public class DistributedFileSystem extends FileSystem {
    * Same as create(), except fails if parent directory doesn't already exist.
    */
   @Override
-  @SuppressWarnings("deprecation")
   public FSDataOutputStream createNonRecursive(final Path f,
       final FsPermission permission, final EnumSet<CreateFlag> flag,
       final int bufferSize, final short replication, final long blockSize,

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java

@@ -1188,7 +1188,6 @@ public class WebHdfsFileSystem extends FileSystem
   }
 
   @Override
-  @SuppressWarnings("deprecation")
   public FSDataOutputStream createNonRecursive(final Path f,
       final FsPermission permission, final EnumSet<CreateFlag> flag,
       final int bufferSize, final short replication, final long blockSize,

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileCreation.java

@@ -860,7 +860,6 @@ public class TestFileCreation {
   // Attempts to create and close a file using FileSystem.createNonRecursive(),
   // catching and returning an exception if one occurs or null
   // if the operation is successful.
-  @SuppressWarnings("deprecation")
   static IOException createNonRecursive(FileSystem fs, Path name,
       int repl, EnumSet<CreateFlag> flag) throws IOException {
     try {

hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java

@@ -1204,7 +1204,6 @@ public class NativeAzureFileSystem extends FileSystem {
   }
 
   @Override
-  @SuppressWarnings("deprecation")
   public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
       boolean overwrite, int bufferSize, short replication, long blockSize,
       Progressable progress) throws IOException {
@@ -1279,7 +1278,6 @@ public class NativeAzureFileSystem extends FileSystem {
   }
 
   @Override
-  @SuppressWarnings("deprecation")
   public FSDataOutputStream createNonRecursive(Path f, FsPermission permission,
       EnumSet<CreateFlag> flags, int bufferSize, short replication, long blockSize,
       Progressable progress) throws IOException {
@@ -1298,7 +1296,6 @@ public class NativeAzureFileSystem extends FileSystem {
   }
 
   @Override
-  @SuppressWarnings("deprecation")
   public FSDataOutputStream createNonRecursive(Path f,
       boolean overwrite, int bufferSize, short replication, long blockSize,
       Progressable progress) throws IOException {

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azure/NativeAzureFileSystemBaseTest.java

@@ -1332,7 +1332,6 @@ public abstract class NativeAzureFileSystemBaseTest {
     return (lastModified > (time - errorMargin) && lastModified < (time + errorMargin));
   }
 
-  @SuppressWarnings("deprecation")
   @Test
   public void testCreateNonRecursive() throws Exception {
     Path testFolder = new Path("/testFolder");