eu.fbk.knowledgestore.runtime

Class Files

java.lang.Object

eu.fbk.knowledgestore.runtime.Files

public final class Files
extends Object

Utility methods for dealing with files using the Hadoop API.

Method Summary

Modifier and Type	Method and Description
static void	delete(FileSystem fs, Path path)
static FileSystem	getFileSystem(String url, Map<String,String> properties)
static FileSystem	getRawLocalFileSystem()
static FSDataInputStream	readWithBackup(FileSystem fs, Path path)
static void	rename(FileSystem fs, Path from, Path to)
static FileStatus	stat(FileSystem fs, Path path)
static FSDataOutputStream	writeWithBackup(FileSystem fs, Path path)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getFileSystem

public static FileSystem getFileSystem(String url,
                                       Map<String,String> properties)
                                throws IOException

Throws:

IOException

getRawLocalFileSystem

public static FileSystem getRawLocalFileSystem()

readWithBackup

@Nullable
public static FSDataInputStream readWithBackup(FileSystem fs,
                                                         Path path)
                                                  throws IOException

Throws:

IOException

writeWithBackup

public static FSDataOutputStream writeWithBackup(FileSystem fs,
                                                 Path path)
                                          throws IOException

Throws:

IOException

delete

public static void delete(FileSystem fs,
                          Path path)
                   throws IOException

Throws:

IOException

rename

public static void rename(FileSystem fs,
                          Path from,
                          Path to)
                   throws IOException

Throws:

IOException

stat

@Nullable
public static FileStatus stat(FileSystem fs,
                                        Path path)
                                 throws IOException

Throws:

IOException