org.apache.hadoop.contrib.index.lucene

Class FileSystemDirectory

java.lang.Object

org.apache.lucene.store.Directory

org.apache.hadoop.contrib.index.lucene.FileSystemDirectory

public class FileSystemDirectory
extends org.apache.lucene.store.Directory

This class implements a Lucene Directory on top of a general FileSystem. Currently it does not support locking.

Field Summary

Fields inherited from class org.apache.lucene.store.Directory

lockFactory

Constructor Summary

Constructors

Constructor and Description
FileSystemDirectory(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path directory, boolean create, org.apache.hadoop.conf.Configuration conf) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
org.apache.lucene.store.IndexOutput	createOutput(java.lang.String name)
void	deleteFile(java.lang.String name)
boolean	fileExists(java.lang.String name)
long	fileLength(java.lang.String name)
long	fileModified(java.lang.String name)
java.lang.String[]	list()
org.apache.lucene.store.Lock	makeLock(java.lang.String name)
org.apache.lucene.store.IndexInput	openInput(java.lang.String name)
org.apache.lucene.store.IndexInput	openInput(java.lang.String name, int bufferSize)
void	renameFile(java.lang.String from, java.lang.String to)
java.lang.String	toString()
void	touchFile(java.lang.String name)

Methods inherited from class org.apache.lucene.store.Directory

clearLock, copy, getLockFactory, getLockID, setLockFactory

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemDirectory

public FileSystemDirectory(org.apache.hadoop.fs.FileSystem fs,
                   org.apache.hadoop.fs.Path directory,
                   boolean create,
                   org.apache.hadoop.conf.Configuration conf)
                    throws java.io.IOException

Constructor

Parameters:

fs -

directory -

create -

conf -

Throws:

java.io.IOException

Method Detail

list

public java.lang.String[] list()
                        throws java.io.IOException

Specified by:

list in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

fileExists

public boolean fileExists(java.lang.String name)
                   throws java.io.IOException

Specified by:

fileExists in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

fileModified

public long fileModified(java.lang.String name)

Specified by:

fileModified in class org.apache.lucene.store.Directory

touchFile

public void touchFile(java.lang.String name)

Specified by:

touchFile in class org.apache.lucene.store.Directory

fileLength

public long fileLength(java.lang.String name)
                throws java.io.IOException

Specified by:

fileLength in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

deleteFile

public void deleteFile(java.lang.String name)
                throws java.io.IOException

Specified by:

deleteFile in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

renameFile

public void renameFile(java.lang.String from,
              java.lang.String to)
                throws java.io.IOException

Specified by:

renameFile in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

createOutput

public org.apache.lucene.store.IndexOutput createOutput(java.lang.String name)
                                                 throws java.io.IOException

Specified by:

createOutput in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

openInput

public org.apache.lucene.store.IndexInput openInput(java.lang.String name)
                                             throws java.io.IOException

Specified by:

openInput in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

openInput

public org.apache.lucene.store.IndexInput openInput(java.lang.String name,
                                           int bufferSize)
                                             throws java.io.IOException

Overrides:

openInput in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

makeLock

public org.apache.lucene.store.Lock makeLock(java.lang.String name)

Overrides:

makeLock in class org.apache.lucene.store.Directory

close

public void close()
           throws java.io.IOException

Specified by:

close in class org.apache.lucene.store.Directory

Throws:

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object