org.apache.lucene.store
Class RAMDirectory

java.lang.Object
  |
  +--org.apache.lucene.store.Directory
        |
        +--org.apache.lucene.store.RAMDirectory

public final class RAMDirectory

extends Directory

Constructor Summary

RAMDirectory()

Method Summary

void	close() Closes the store to future operations.
OutputStream	createFile(String name) Creates a new, empty file in the directory with the given name.
void	deleteFile(String name) Removes an existing file in the directory.
boolean	fileExists(String name) Returns true iff the named file exists in this directory.
long	fileLength(String name) Returns the length in bytes of a file in the directory.
long	fileModified(String name) Returns the time the named file was last modified.
String[]	list() Returns an array of strings, one for each file in the directory.
Lock	makeLock(String name) Construct a Lock.
InputStream	openFile(String name) Returns a stream reading an existing file.
void	renameFile(String from, String to) Removes an existing file in the directory.

Methods inherited from class java.lang.Object

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

Constructor Detail

RAMDirectory

public RAMDirectory()

Method Detail

list

public final String[] list()

Returns an array of strings, one for each file in the directory.

Overrides:

list in class Directory

fileExists

public final boolean fileExists(String name)

Returns true iff the named file exists in this directory.

Overrides:

fileExists in class Directory

fileModified

public final long fileModified(String name)
                        throws IOException

Returns the time the named file was last modified.

Overrides:

fileModified in class Directory

fileLength

public final long fileLength(String name)

Returns the length in bytes of a file in the directory.

Overrides:

fileLength in class Directory

deleteFile

public final void deleteFile(String name)

Removes an existing file in the directory.

Overrides:

deleteFile in class Directory

renameFile

public final void renameFile(String from,
                             String to)

Removes an existing file in the directory.

Overrides:

renameFile in class Directory

createFile

public final OutputStream createFile(String name)

Creates a new, empty file in the directory with the given name. Returns a stream writing this file.

Overrides:

createFile in class Directory

openFile

public final InputStream openFile(String name)

Returns a stream reading an existing file.

Overrides:

openFile in class Directory

makeLock

public final Lock makeLock(String name)

Construct a Lock.

Overrides:

makeLock in class Directory

Parameters:

name - the name of the lock file

close

public final void close()

Closes the store to future operations.

Overrides:

close in class Directory