org.apache.solr.core

Class MMapDirectoryFactory

java.lang.Object

org.apache.solr.core.DirectoryFactory

org.apache.solr.core.CachingDirectoryFactory

org.apache.solr.core.StandardDirectoryFactory

org.apache.solr.core.MMapDirectoryFactory

All Implemented Interfaces:

Closeable, AutoCloseable, NamedListInitializedPlugin

public class MMapDirectoryFactory
extends StandardDirectoryFactory

Directly provide MMapDirectory instead of relying on FSDirectory.open(java.nio.file.Path).

Can set the following parameters:

• unmap -- See MMapDirectory.setUseUnmap(boolean)
• preload -- See MMapDirectory.setPreload(boolean)
• maxChunkSize -- The Max chunk size. See MMapDirectory.MMapDirectory(Path, LockFactory, int)

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.solr.core.CachingDirectoryFactory

CachingDirectoryFactory.CacheValue, CachingDirectoryFactory.CloseListener

Nested classes/interfaces inherited from class org.apache.solr.core.DirectoryFactory

DirectoryFactory.DirContext

Field Summary

Fields inherited from class org.apache.solr.core.CachingDirectoryFactory

byDirectoryCache, byPathCache, closeListeners, removeEntries

Fields inherited from class org.apache.solr.core.DirectoryFactory

coreContainer, dataHomePath, INDEX_W_TIMESTAMP_REGEX, IOCONTEXT_NO_CACHE, LOCK_TYPE_HDFS, LOCK_TYPE_NATIVE, LOCK_TYPE_NONE, LOCK_TYPE_SIMPLE, LOCK_TYPE_SINGLE

Constructor Summary

Constructors

Constructor and Description
MMapDirectoryFactory()

Method Summary

Modifier and Type	Method and Description
protected Directory	create(String path, LockFactory lockFactory, DirectoryFactory.DirContext dirContext) Creates a new Directory for a given path.
void	init(NamedList args)
boolean	isAbsolute(String path)

Methods inherited from class org.apache.solr.core.StandardDirectoryFactory

createLockFactory, exists, isPersistent, move, normalize, removeDirectory, renameWithOverwrite

Methods inherited from class org.apache.solr.core.CachingDirectoryFactory

addCloseListener, close, deleteOldIndexDirectory, doneWithDirectory, get, getLivePaths, getPath, incRef, release, remove, remove, remove, remove, stripTrailingSlash

Methods inherited from class org.apache.solr.core.DirectoryFactory

cleanupOldIndexDirectories, empty, getBaseDir, getDataHome, initCoreContainer, isSharedStorage, searchersReserveCommitPoints, size, size, sizeOf, sizeOfDirectory

Methods inherited from class java.lang.Object

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

Constructor Detail

MMapDirectoryFactory

public MMapDirectoryFactory()

Method Detail

init

public void init(NamedList args)

Specified by:

init in interface NamedListInitializedPlugin

Overrides:

init in class CachingDirectoryFactory

create

protected Directory create(String path,
                           LockFactory lockFactory,
                           DirectoryFactory.DirContext dirContext)
                    throws IOException

Description copied from class: DirectoryFactory

Creates a new Directory for a given path.

Overrides:

create in class StandardDirectoryFactory

Throws:

IOException - If there is a low-level I/O error.

isAbsolute

public boolean isAbsolute(String path)

Overrides:

isAbsolute in class StandardDirectoryFactory

Parameters:

path - the path to check

Returns:

true if absolute, as in not relative