com.orientechnologies.orient.core.index

Interface OIndexDefinitionMultiValue

All Superinterfaces:

OIndexCallback, OIndexDefinition

All Known Implementing Classes:

OAbstractIndexDefinitionMultiValue, OPropertyListIndexDefinition, OPropertyMapIndexDefinition, OPropertyRidBagIndexDefinition

public interface OIndexDefinitionMultiValue
extends OIndexDefinition

Interface that indicates that index definition is based on collection of values but not on single value.

Since:

20.12.11

Author:

Andrey Lomakin

Method Summary

Modifier and Type	Method and Description
Object	createSingleValue(Object... param) Converts passed in value in the key of single index entry.
void	processChangeEvent(OMultiValueChangeEvent<?,?> changeEvent, Map<Object,Integer> keysToAdd, Map<Object,Integer> keysToRemove) Process event that contains operation on collection and extract values that should be added removed from index to reflect collection changes in the given index.

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

createValue, createValue, equals, fromStream, getClassName, getCollate, getFields, getFieldsToIndex, getParamCount, getTypes, hashCode, isAutomatic, isNullValuesIgnored, setCollate, setNullValuesIgnored, toCreateIndexDDL, toStream, toString

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

getDocumentValueToIndex

Method Detail

createSingleValue

Object createSingleValue(Object... param)

Converts passed in value in the key of single index entry.

Parameters:

param - Value to convert.

Returns:

Index key.

processChangeEvent

void processChangeEvent(OMultiValueChangeEvent<?,?> changeEvent,
                        Map<Object,Integer> keysToAdd,
                        Map<Object,Integer> keysToRemove)

Process event that contains operation on collection and extract values that should be added removed from index to reflect collection changes in the given index.

Parameters:

changeEvent - Event that describes operation that was performed on collection.

keysToAdd - Values that should be added to related index.

keysToRemove - Values that should be removed to related index.