edu.umn.cs.spatialHadoop.util

Class FileUtil

java.lang.Object

edu.umn.cs.spatialHadoop.util.FileUtil

public final class FileUtil
extends java.lang.Object

A bunch of helper functions used with files

Author:

Ahmed Eldawy

Constructor Summary

Constructors

Constructor and Description
FileUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	copyFile(Configuration job, FileStatus fileStatus)
static java.lang.String	copyFile(Configuration conf, Path inFile) Copies a file to the local file system given its path.
static java.lang.String	copyFileSplit(Configuration conf, FileSplit split) Copies a part of a file from a remote file system (e.g., HDFS) to a local file.
static Path	writePathsToFile(OperationsParams params, Path[] paths) Writes paths to a file where each path is a line.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtil

public FileUtil()

Method Detail

copyFile

public static java.lang.String copyFile(Configuration job,
                        FileStatus fileStatus)
                                 throws java.io.IOException

Throws:

java.io.IOException

copyFileSplit

public static java.lang.String copyFileSplit(Configuration conf,
                             FileSplit split)
                                      throws java.io.IOException

Copies a part of a file from a remote file system (e.g., HDFS) to a local file. Returns a path to a local temporary file.

Parameters:

conf -

split -

Returns:

Throws:

java.io.IOException

copyFile

public static java.lang.String copyFile(Configuration conf,
                        Path inFile)
                                 throws java.io.IOException

Copies a file to the local file system given its path.

Parameters:

conf -

inFile -

Returns:

Throws:

java.io.IOException

writePathsToFile

public static Path writePathsToFile(OperationsParams params,
                    Path[] paths)

Writes paths to a file where each path is a line.

Parameters:

paths -