Package com.orientechnologies.orient.core.index

Interface OIndexDefinitionMultiValue

All Superinterfaces:

OIndexCallback, OIndexDefinition

All Known Implementing Classes:

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	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.OIndexCallback

getDocumentValueToIndex

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

Method Details

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.