com.orientechnologies.orient.core.sharding.auto

Class OAutoShardingIndexFactory

java.lang.Object

com.orientechnologies.orient.core.sharding.auto.OAutoShardingIndexFactory

All Implemented Interfaces:

OIndexFactory

public class OAutoShardingIndexFactory
extends Object
implements OIndexFactory

Auto-sharding index factory.
Supports index types:

• UNIQUE
• NOTUNIQUE

Since:

3.0

Field Summary

Fields

Modifier and Type	Field and Description
static String	AUTOSHARDING_ALGORITHM
static String	NONE_VALUE_CONTAINER

Constructor Summary

Constructors

Constructor and Description
OAutoShardingIndexFactory()

Method Summary

Modifier and Type	Method and Description
OIndexInternal	createIndex(String name, OStorage storage, String indexType, String algorithm, String valueContainerAlgorithm, ODocument metadata, int version) Creates an index.
OBaseIndexEngine	createIndexEngine(int indexId, String algorithm, String name, Boolean durableInNonTxMode, OStorage storage, int version, int apiVersion, boolean multiValue, Map<String,String> engineProperties)
Set<String>	getAlgorithms()
int	getLastVersion(String algorithm)
Set<String>	getTypes() Index types: UNIQUE NOTUNIQUE
static boolean	isMultiValueIndex(String indexType)

Methods inherited from class java.lang.Object

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

Field Detail

AUTOSHARDING_ALGORITHM

public static final String AUTOSHARDING_ALGORITHM

See Also:

Constant Field Values

NONE_VALUE_CONTAINER

public static final String NONE_VALUE_CONTAINER

See Also:

Constant Field Values

Constructor Detail

OAutoShardingIndexFactory

public OAutoShardingIndexFactory()

Method Detail

isMultiValueIndex

public static boolean isMultiValueIndex(String indexType)

getTypes

public Set<String> getTypes()

Index types:

• UNIQUE
• NOTUNIQUE

Specified by:

getTypes in interface OIndexFactory

Returns:

List of supported indexes of this factory

getAlgorithms

public Set<String> getAlgorithms()

Specified by:

getAlgorithms in interface OIndexFactory

Returns:

List of supported algorithms of this factory

createIndex

public OIndexInternal createIndex(String name,
                                  OStorage storage,
                                  String indexType,
                                  String algorithm,
                                  String valueContainerAlgorithm,
                                  ODocument metadata,
                                  int version)
                           throws OConfigurationException

Description copied from interface: OIndexFactory

Creates an index.

Specified by:

createIndex in interface OIndexFactory

indexType - index type

Returns:

OIndexInternal

Throws:

OConfigurationException - if index creation failed

getLastVersion

public int getLastVersion(String algorithm)

Specified by:

getLastVersion in interface OIndexFactory

createIndexEngine

public OBaseIndexEngine createIndexEngine(int indexId,
                                          String algorithm,
                                          String name,
                                          Boolean durableInNonTxMode,
                                          OStorage storage,
                                          int version,
                                          int apiVersion,
                                          boolean multiValue,
                                          Map<String,String> engineProperties)

Specified by:

createIndexEngine in interface OIndexFactory