Github user gvramana commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1061#discussion_r126134812
--- Diff: core/src/main/java/org/apache/carbondata/core/datastore/filesystem/AbstractDFSCarbonFile.java ---
@@ -124,6 +128,90 @@ public boolean renameTo(String changetoName) {
}
}
+ @Override public boolean renameForce(String changetoName) {
+ FileSystem fs;
+ try {
+ fs = fileStatus.getPath().getFileSystem(FileFactory.getConfiguration());
+ if (fs instanceof DistributedFileSystem) {
+ ((DistributedFileSystem) fs).rename(fileStatus.getPath(), new Path(changetoName),
+ org.apache.hadoop.fs.Options.Rename.OVERWRITE);
+ return true;
+ } else if (fs instanceof ViewFileSystem) {
+ fs.delete(new Path(changetoName), true);
+ fs.rename(fileStatus.getPath(), new Path(changetoName));
+ return true;
+ } else {
+ return false;
+ }
+ } catch (IOException e) {
+ LOGGER.error("Exception occured" + e.getMessage());
+ return false;
+ }
+ }
+
+ public CarbonFile[] getFiles(FileStatus[] listStatus, FileFactory.FileType fileType) {
+ if (listStatus == null) {
+ return new CarbonFile[0];
+ }
+ CarbonFile[] files = new CarbonFile[listStatus.length];
+ if (fileType.equals(FileFactory.FileType.HDFS)) {
+ for (int i = 0; i < files.length; i++) {
+ files[i] = new HDFSCarbonFile(listStatus[i]);
+ }
+ } else if (fileType.equals(FileFactory.FileType.VIEWFS)) {
+ for (int i = 0; i < files.length; i++) {
+ files[i] = new ViewFSCarbonFile(listStatus[i]);
+ }
+ }
+ return files;
+ }
+
+ public CarbonFile[] listFiles(FileFactory.FileType fileType) {
+ FileStatus[] listStatus = null;
+ try {
+ if (null != fileStatus && fileStatus.isDirectory()) {
+ Path path = fileStatus.getPath();
+ listStatus = path.getFileSystem(FileFactory.getConfiguration()).listStatus(path);
+ } else {
+ return new CarbonFile[0];
+ }
+ } catch (IOException ex) {
+ LOGGER.error("Exception occured" + ex.getMessage());
+ return new CarbonFile[0];
+ }
+ return getFiles(listStatus, fileType);
+ }
+
+ @Override public CarbonFile[] listFiles(final CarbonFileFilter fileFilter) {
+ CarbonFile[] files = listFiles();
+ if (files != null && files.length >= 1) {
+ List<CarbonFile> fileList = new ArrayList<CarbonFile>(files.length);
+ for (int i = 0; i < files.length; i++) {
+ if (fileFilter.accept(files[i])) {
+ fileList.add(files[i]);
+ }
+ }
+ if (fileList.size() >= 1) {
+ return fileList.toArray(new CarbonFile[fileList.size()]);
+ } else {
+ return new CarbonFile[0];
+ }
+ }
+ return files;
+ }
+
+ public CarbonFile getParentFile(FileFactory.FileType fileType) {
--- End diff --
Have to use factory method, cannot use switchcase
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