org.apache.lucene.search.join

Class GlobalOrdinalsCollector

java.lang.Object

org.apache.lucene.search.join.GlobalOrdinalsCollector

All Implemented Interfaces:

Collector

final class GlobalOrdinalsCollector
extends java.lang.Object
implements Collector

A collector that collects all ordinals from a specified field matching the query.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) class	GlobalOrdinalsCollector.OrdinalMapCollector
(package private) class	GlobalOrdinalsCollector.SegmentOrdinalCollector

Field Summary

Fields

Modifier and Type	Field and Description
(package private) LongBitSet	collectedOrds
(package private) java.lang.String	field
(package private) MultiDocValues.OrdinalMap	ordinalMap

Constructor Summary

Constructors

Constructor and Description
GlobalOrdinalsCollector(java.lang.String field, MultiDocValues.OrdinalMap ordinalMap, long valueCount)

Method Summary

Modifier and Type	Method and Description
LongBitSet	getCollectorOrdinals()
LeafCollector	getLeafCollector(LeafReaderContext context) Create a new collector to collect the given context.
boolean	needsScores() Indicates if document scores are needed by this collector.

Methods inherited from class java.lang.Object

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

Field Detail

field

final java.lang.String field

collectedOrds

final LongBitSet collectedOrds

ordinalMap

final MultiDocValues.OrdinalMap ordinalMap

Constructor Detail

GlobalOrdinalsCollector

GlobalOrdinalsCollector(java.lang.String field,
                        MultiDocValues.OrdinalMap ordinalMap,
                        long valueCount)

Method Detail

getCollectorOrdinals

public LongBitSet getCollectorOrdinals()

needsScores

public boolean needsScores()

Description copied from interface: Collector

Indicates if document scores are needed by this collector.

Specified by:

needsScores in interface Collector

Returns:

true if scores are needed.

getLeafCollector

public LeafCollector getLeafCollector(LeafReaderContext context)
                               throws java.io.IOException

Description copied from interface: Collector

Create a new collector to collect the given context.

Specified by:

getLeafCollector in interface Collector

Parameters:

context - next atomic reader context

Throws:

java.io.IOException