com.orientechnologies.orient.core.index

Class OIndexTxAwareOneValue

java.lang.Object

com.orientechnologies.orient.core.index.OIndexAbstractDelegate

com.orientechnologies.orient.core.index.OIndexTxAware<OIdentifiable>

com.orientechnologies.orient.core.index.OIndexTxAwareOneValue

All Implemented Interfaces:

OIndex, OIndexInternal, Comparable<OIndex>

Direct Known Subclasses:

OIndexTxAwareDictionary

public class OIndexTxAwareOneValue
extends OIndexTxAware<OIdentifiable>

Transactional wrapper for indexes. Stores changes locally to the transaction until tx.commit(). All the other operations are delegated to the wrapped OIndex instance.

Author:

Luca Garulli (l.garulli--(at)--orientdb.com)

Nested Class Summary

Nested classes/interfaces inherited from class com.orientechnologies.orient.core.index.OIndexTxAware

OIndexTxAware.PartialSearchMode

Field Summary

Fields inherited from class com.orientechnologies.orient.core.index.OIndexTxAware

database

Fields inherited from class com.orientechnologies.orient.core.index.OIndexAbstractDelegate

delegate

Fields inherited from interface com.orientechnologies.orient.core.index.OIndexInternal

ALGORITHM, CONFIG_AUTOMATIC, CONFIG_KEYTYPE, CONFIG_NAME, CONFIG_TYPE, INDEX_DEFINITION, INDEX_DEFINITION_CLASS, INDEX_VERSION, METADATA, VALUE_CONTAINER_ALGORITHM

Fields inherited from interface com.orientechnologies.orient.core.index.OIndex

MERGE_KEYS

Constructor Summary

Constructors

Constructor and Description
OIndexTxAwareOneValue(ODatabaseDocumentInternal database, OIndexInternal delegate)

Method Summary

Modifier and Type	Method and Description
Stream<ORawPair<Object,ORID>>	descStream()
OIdentifiable	get(Object key) Deprecated.
Stream<ORID>	getRids(Object key)
Stream<ORawPair<Object,ORID>>	stream()
Stream<ORawPair<Object,ORID>>	streamEntries(Collection<?> keys, boolean ascSortOrder) Returns stream which presents data associated with passed in keys.
Stream<ORawPair<Object,ORID>>	streamEntriesBetween(Object fromKey, boolean fromInclusive, Object toKey, boolean toInclusive, boolean ascOrder) Returns stream which presents subset of index data between passed in keys.
Stream<ORawPair<Object,ORID>>	streamEntriesMajor(Object fromKey, boolean fromInclusive, boolean ascOrder) Returns stream which presents subset of data which associated with key which is greater than passed in key.
Stream<ORawPair<Object,ORID>>	streamEntriesMinor(Object toKey, boolean toInclusive, boolean ascOrder) Returns stream which presents subset of data which associated with key which is less than passed in key.

Methods inherited from class com.orientechnologies.orient.core.index.OIndexTxAware

clear, enhanceFromCompositeKeyBetweenAsc, enhanceFromCompositeKeyBetweenDesc, enhanceToCompositeKeyBetweenAsc, enhanceToCompositeKeyBetweenDesc, put, remove, remove, size

Methods inherited from class com.orientechnologies.orient.core.index.OIndexAbstractDelegate

acquireAtomicExclusiveLock, addCluster, addTxOperation, canBeUsedInEqualityOperators, checkForKeyType, close, commit, compareTo, count, create, cursor, delete, descCursor, doPut, doRemove, doRemove, equals, flush, getAlgorithm, getClusters, getCollatingValue, getConfiguration, getDatabaseName, getDefinition, getFirstKey, getIndexId, getIndexNameByKey, getInternal, getKeySize, getKeyTypes, getLastKey, getMetadata, getName, getRebuildVersion, getSize, getType, getVersion, hashCode, hasRangeQuerySupport, interpretTxKeyChanges, isAutomatic, isNativeTxSupported, isRebuilding, isUnique, iterateEntries, iterateEntriesBetween, iterateEntriesMajor, iterateEntriesMinor, keyCursor, keyStream, loadFromConfiguration, loadMetadata, postCommit, preCommit, rebuild, rebuild, removeCluster, setType, supportsOrderedIterations, toString, updateConfiguration

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.orientechnologies.orient.core.index.OIndexInternal

isLabelSecurityDefined, isReadRestrictedBySecurityPolicy, securityFilterOnRead, securityFilterOnRead

Constructor Detail

OIndexTxAwareOneValue

public OIndexTxAwareOneValue(ODatabaseDocumentInternal database,
                             OIndexInternal delegate)

Method Detail

get

@Deprecated
public OIdentifiable get(Object key)

Deprecated.

Description copied from interface: OIndex

Gets the set of records associated with the passed key.

Specified by:

get in interface OIndex

Overrides:

get in class OIndexAbstractDelegate

Parameters:

key - The key to search

Returns:

The Record set if found, otherwise an empty Set

getRids

public Stream<ORID> getRids(Object key)

Specified by:

getRids in interface OIndexInternal

Overrides:

getRids in class OIndexAbstractDelegate

stream

public Stream<ORawPair<Object,ORID>> stream()

Specified by:

stream in interface OIndexInternal

Overrides:

stream in class OIndexAbstractDelegate

descStream

public Stream<ORawPair<Object,ORID>> descStream()

Specified by:

descStream in interface OIndexInternal

Overrides:

descStream in class OIndexAbstractDelegate

streamEntriesBetween

public Stream<ORawPair<Object,ORID>> streamEntriesBetween(Object fromKey,
                                                          boolean fromInclusive,
                                                          Object toKey,
                                                          boolean toInclusive,
                                                          boolean ascOrder)

Description copied from interface: OIndexInternal

Returns stream which presents subset of index data between passed in keys.

Specified by:

streamEntriesBetween in interface OIndexInternal

Overrides:

streamEntriesBetween in class OIndexAbstractDelegate

Parameters:

fromKey - Lower border of index data.

fromInclusive - Indicates whether lower border should be inclusive or exclusive.

toKey - Upper border of index data.

toInclusive - Indicates whether upper border should be inclusive or exclusive.

ascOrder - Flag which determines whether data iterated by stream should be in ascending or descending order.

Returns:

Cursor which presents subset of index data between passed in keys.

streamEntriesMajor

public Stream<ORawPair<Object,ORID>> streamEntriesMajor(Object fromKey,
                                                        boolean fromInclusive,
                                                        boolean ascOrder)

Description copied from interface: OIndexInternal

Returns stream which presents subset of data which associated with key which is greater than passed in key.

Specified by:

streamEntriesMajor in interface OIndexInternal

Overrides:

streamEntriesMajor in class OIndexAbstractDelegate

Parameters:

fromKey - Lower border of index data.

fromInclusive - Indicates whether lower border should be inclusive or exclusive.

ascOrder - Flag which determines whether data iterated by stream should be in ascending or descending order.

Returns:

stream which presents subset of data which associated with key which is greater than passed in key.

streamEntriesMinor

public Stream<ORawPair<Object,ORID>> streamEntriesMinor(Object toKey,
                                                        boolean toInclusive,
                                                        boolean ascOrder)

Description copied from interface: OIndexInternal

Returns stream which presents subset of data which associated with key which is less than passed in key.

Specified by:

streamEntriesMinor in interface OIndexInternal

Overrides:

streamEntriesMinor in class OIndexAbstractDelegate

Parameters:

toKey - Upper border of index data.

toInclusive - Indicates Indicates whether upper border should be inclusive or exclusive.

ascOrder - Flag which determines whether data iterated by stream should be in ascending or descending order.

Returns:

stream which presents subset of data which associated with key which is less than passed in key.

streamEntries

public Stream<ORawPair<Object,ORID>> streamEntries(Collection<?> keys,
                                                   boolean ascSortOrder)

Description copied from interface: OIndexInternal

Returns stream which presents data associated with passed in keys.

Specified by:

streamEntries in interface OIndexInternal

Overrides:

streamEntries in class OIndexAbstractDelegate

Parameters:

keys - Keys data of which should be returned.

ascSortOrder - Flag which determines whether data iterated by stream should be in ascending or descending order.

Returns:

stream which presents data associated with passed in keys.