org.elasticsearch.util.lucene
Class Directories

java.lang.Object
  org.elasticsearch.util.lucene.Directories

public class Directories
extends java.lang.Object

A set of utilities for Lucene Directory.

Method Summary

static long	checksum(org.apache.lucene.store.Directory dir, java.lang.String name) Computes the checksum of the given file name with the directory.
static long	checksum(org.apache.lucene.store.IndexInput indexInput) Computes the checksum of the content represented by the provided index input.
static void	copyFromDirectory(org.apache.lucene.store.Directory dir, java.lang.String fileName, java.io.File copyTo)
static void	copyFromDirectory(org.apache.lucene.store.IndexInput ii, java.io.OutputStream os)
static void	copyToDirectory(java.io.File copyFrom, org.apache.lucene.store.Directory dir, java.lang.String fileName)
static void	copyToDirectory(java.io.InputStream is, org.apache.lucene.store.Directory dir, java.lang.String fileName)
static void	copyToDirectory(java.io.InputStream is, org.apache.lucene.store.IndexOutput io)
static void	deleteFiles(org.apache.lucene.store.Directory directory) Deletes all the files from a directory.
static SizeValue	estimateSize(org.apache.lucene.store.Directory directory) Returns the estimated size of a Directory.
static java.util.Collection<org.apache.lucene.index.IndexCommit>	listCommits(org.apache.lucene.store.Directory directory) Lists all the commit point in a directory.
static void	sync(org.apache.lucene.store.Directory dir, java.lang.String fileName)

Methods inherited from class java.lang.Object

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

Method Detail

deleteFiles

public static void deleteFiles(org.apache.lucene.store.Directory directory)
                        throws java.io.IOException

Deletes all the files from a directory.

Parameters:

directory - The directoy to delete all the files from

Throws:

java.io.IOException - if an exception occurs during the delete process

estimateSize

public static SizeValue estimateSize(org.apache.lucene.store.Directory directory)
                              throws java.io.IOException

Returns the estimated size of a Directory.

Throws:

java.io.IOException

listCommits

public static java.util.Collection<org.apache.lucene.index.IndexCommit> listCommits(org.apache.lucene.store.Directory directory)
                                                                             throws java.io.IOException

Lists all the commit point in a directory.

Throws:

java.io.IOException

checksum

public static long checksum(org.apache.lucene.store.Directory dir,
                            java.lang.String name)
                     throws java.io.IOException

Computes the checksum of the given file name with the directory.

Throws:

java.io.IOException

copyFromDirectory

public static void copyFromDirectory(org.apache.lucene.store.Directory dir,
                                     java.lang.String fileName,
                                     java.io.File copyTo)
                              throws java.io.IOException

Throws:

java.io.IOException

copyFromDirectory

public static void copyFromDirectory(org.apache.lucene.store.IndexInput ii,
                                     java.io.OutputStream os)
                              throws java.io.IOException

Throws:

java.io.IOException

copyToDirectory

public static void copyToDirectory(java.io.File copyFrom,
                                   org.apache.lucene.store.Directory dir,
                                   java.lang.String fileName)
                            throws java.io.IOException

Throws:

java.io.IOException

copyToDirectory

public static void copyToDirectory(java.io.InputStream is,
                                   org.apache.lucene.store.Directory dir,
                                   java.lang.String fileName)
                            throws java.io.IOException

Throws:

java.io.IOException

sync

public static void sync(org.apache.lucene.store.Directory dir,
                        java.lang.String fileName)
                 throws java.io.IOException

Throws:

java.io.IOException

copyToDirectory

public static void copyToDirectory(java.io.InputStream is,
                                   org.apache.lucene.store.IndexOutput io)
                            throws java.io.IOException

Throws:

java.io.IOException

checksum

public static long checksum(org.apache.lucene.store.IndexInput indexInput)
                     throws java.io.IOException

Computes the checksum of the content represented by the provided index input.

Closes the index input once checksum is computed.

Throws:

java.io.IOException