Package com.orientechnologies.orient.core.storage.index.hashindex.local

Class OHashIndexFactory

java.lang.Object

com.orientechnologies.orient.core.storage.index.hashindex.local.OHashIndexFactory

All Implemented Interfaces:

OIndexFactory

public final class OHashIndexFactory
extends Object
implements OIndexFactory

Author:

Artem Orobets (enisher-at-gmail.com)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	HASH_INDEX_ALGORITHM

Constructor Summary

Constructors

Constructor	Description
OHashIndexFactory()

Method Summary

Modifier and Type	Method	Description
final OIndexInternal	createIndex(OStorage storage, OIndexMetadata im)	Creates an index.
OBaseIndexEngine	createIndexEngine(OStorage storage, IndexEngineData data)
final Set<String>	getAlgorithms()
final int	getLastVersion(String algorithm)
final Set<String>	getTypes()	Index types : UNIQUE NOTUNIQUE FULLTEXT DICTIONARY

Methods inherited from class java.lang.Object

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

Field Details

HASH_INDEX_ALGORITHM

public static final String HASH_INDEX_ALGORITHM

See Also:

• Constant Field Values

Constructor Details

OHashIndexFactory

public OHashIndexFactory()

Method Details

getTypes

public final Set<String> getTypes()

Index types :

• UNIQUE
• NOTUNIQUE
• FULLTEXT
• DICTIONARY

Specified by:

getTypes in interface OIndexFactory

Returns:

List of supported indexes of this factory

getAlgorithms

public final Set<String> getAlgorithms()

Specified by:

getAlgorithms in interface OIndexFactory

Returns:

List of supported algorithms of this factory

createIndex

public final OIndexInternal createIndex(OStorage storage,
 OIndexMetadata im)
                                 throws OConfigurationException

Description copied from interface: OIndexFactory

Creates an index.

Specified by:

createIndex in interface OIndexFactory

im - TODO

Returns:

OIndexInternal

Throws:

OConfigurationException - if index creation failed

getLastVersion

public final int getLastVersion(String algorithm)

Specified by:

getLastVersion in interface OIndexFactory

createIndexEngine

public OBaseIndexEngine createIndexEngine(OStorage storage,
 IndexEngineData data)

Specified by:

createIndexEngine in interface OIndexFactory