Module org.apache.lucene.grouping

Package org.apache.lucene.search.grouping

Class AllGroupHeadsCollector.ScoringGroupHeadsCollector<T>

java.lang.Object

org.apache.lucene.search.SimpleCollector

org.apache.lucene.search.grouping.AllGroupHeadsCollector<T>

org.apache.lucene.search.grouping.AllGroupHeadsCollector.ScoringGroupHeadsCollector<T>

All Implemented Interfaces:

Collector, LeafCollector

Enclosing class:

AllGroupHeadsCollector<T>

private static class AllGroupHeadsCollector.ScoringGroupHeadsCollector<T>
extends AllGroupHeadsCollector<T>

Specialized implementation for sorting by score

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.grouping.AllGroupHeadsCollector

AllGroupHeadsCollector.GroupHead<T>

Field Summary

Fields inherited from class org.apache.lucene.search.grouping.AllGroupHeadsCollector

compIDXEnd, context, heads, reversed, scorer, sort

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ScoringGroupHeadsCollector(GroupSelector<T> selector, Sort sort)

Method Summary

Modifier and Type	Method	Description
protected AllGroupHeadsCollector.GroupHead<T>	newGroupHead(int doc, T value, LeafReaderContext context, Scorable scorer)	Create a new GroupHead for the given group value, initialized with a doc, context and scorer

Methods inherited from class org.apache.lucene.search.grouping.AllGroupHeadsCollector

collect, doSetNextReader, getCollectedGroupHeads, groupHeadsSize, newCollector, retrieveGroupHeads, retrieveGroupHeads, scoreMode, setScorer

Methods inherited from class org.apache.lucene.search.SimpleCollector

getLeafCollector

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.search.Collector

setWeight

Methods inherited from interface org.apache.lucene.search.LeafCollector

collect, competitiveIterator, finish

Constructor Details

ScoringGroupHeadsCollector

protected ScoringGroupHeadsCollector(GroupSelector<T> selector,
 Sort sort)

Method Details

newGroupHead

protected AllGroupHeadsCollector.GroupHead<T> newGroupHead(int doc,
 T value,
 LeafReaderContext context,
 Scorable scorer)
                                                    throws IOException

Description copied from class: AllGroupHeadsCollector

Create a new GroupHead for the given group value, initialized with a doc, context and scorer

Specified by:

newGroupHead in class AllGroupHeadsCollector<T>

Throws:

IOException