org.apache.lucene.store

Class MMapDirectory

java.lang.Object

org.apache.lucene.store.Directory

org.apache.lucene.store.FSDirectory

org.apache.lucene.store.MMapDirectory

public class MMapDirectory
extends FSDirectory

File-based Directory implementation that uses mmap for input.

To use this, invoke Java with the System property org.apache.lucene.FSDirectory.class set to org.apache.lucene.store.MMapDirectory. This will cause FSDirectory.getDirectory(File,boolean) to return instances of this class.

Field Summary

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

LOCK_DIR

Constructor Summary

Constructors

Constructor and Description
MMapDirectory()

Method Summary

Methods

Modifier and Type	Method and Description
IndexInput	openInput(String name) Returns a stream reading an existing file.

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

close, createOutput, deleteFile, fileExists, fileLength, fileModified, fileModified, getDirectory, getDirectory, getDisableLocks, getFile, list, makeLock, renameFile, setDisableLocks, toString, touchFile

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

createFile, openFile

Methods inherited from class java.lang.Object

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

Constructor Detail

MMapDirectory

public MMapDirectory()

Method Detail

openInput

public IndexInput openInput(String name)
                     throws IOException

Description copied from class: FSDirectory

Returns a stream reading an existing file.

Overrides:

openInput in class FSDirectory

Throws:

IOException