org.apache.hadoop.contrib.index.lucene

类 FileSystemDirectory

java.lang.Object

Directory

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

public class FileSystemDirectory
extends Directory

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

构造器概要

构造器

构造器和说明
FileSystemDirectory(FileSystem fs, Path directory, boolean create, Configuration conf) Constructor

方法概要

方法

限定符和类型	方法和说明
void	close()
IndexOutput	createOutput(String name)
void	deleteFile(String name)
boolean	fileExists(String name)
long	fileLength(String name)
long	fileModified(String name)
String[]	list()
Lock	makeLock(String name)
IndexInput	openInput(String name)
IndexInput	openInput(String name, int bufferSize)
void	renameFile(String from, String to)
String	toString()
void	touchFile(String name)

从类继承的方法 java.lang.Object

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

构造器详细资料

FileSystemDirectory

public FileSystemDirectory(FileSystem fs,
                   Path directory,
                   boolean create,
                   Configuration conf)
                    throws IOException

Constructor

参数:

fs -

directory -

create -

conf -

抛出:

IOException

方法详细资料

list

public String[] list()
              throws IOException

抛出:

IOException

fileExists

public boolean fileExists(String name)
                   throws IOException

抛出:

IOException

fileModified

public long fileModified(String name)

touchFile

public void touchFile(String name)

fileLength

public long fileLength(String name)
                throws IOException

抛出:

IOException

deleteFile

public void deleteFile(String name)
                throws IOException

抛出:

IOException

renameFile

public void renameFile(String from,
              String to)
                throws IOException

抛出:

IOException

createOutput

public IndexOutput createOutput(String name)
                         throws IOException

抛出:

IOException

openInput

public IndexInput openInput(String name)
                     throws IOException

抛出:

IOException

openInput

public IndexInput openInput(String name,
                   int bufferSize)
                     throws IOException

抛出:

IOException

makeLock

public Lock makeLock(String name)

close

public void close()
           throws IOException

抛出:

IOException

toString

public String toString()