Package org.apache.lucene.search.join

Class DiversifyingNearestChildrenKnnCollectorManager

java.lang.Object

org.apache.lucene.search.join.DiversifyingNearestChildrenKnnCollectorManager

All Implemented Interfaces:

KnnCollectorManager

public class DiversifyingNearestChildrenKnnCollectorManager
extends Object
implements KnnCollectorManager

DiversifyingNearestChildrenKnnCollectorManager responsible for creating DiversifyingNearestChildrenKnnCollector instances.

Constructor Summary

Constructors

Constructor	Description
DiversifyingNearestChildrenKnnCollectorManager(int k, BitSetProducer parentsFilter, IndexSearcher indexSearcher)	Constructor

Method Summary

Modifier and Type	Method	Description
KnnCollector	newCollector(int visitedLimit, KnnSearchStrategy searchStrategy, LeafReaderContext context)	Return a new DiversifyingNearestChildrenKnnCollector instance.

Methods inherited from class java.lang.Object

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

Constructor Details

DiversifyingNearestChildrenKnnCollectorManager

public DiversifyingNearestChildrenKnnCollectorManager(int k,
 BitSetProducer parentsFilter,
 IndexSearcher indexSearcher)

Constructor

Parameters:

k - - the number of top k vectors to collect

parentsFilter - Filter identifying the parent documents.

Method Details

newCollector

public KnnCollector newCollector(int visitedLimit,
 KnnSearchStrategy searchStrategy,
 LeafReaderContext context)
                          throws IOException

Return a new DiversifyingNearestChildrenKnnCollector instance.

Specified by:

newCollector in interface KnnCollectorManager

Parameters:

visitedLimit - the maximum number of nodes that the search is allowed to visit

context - the leaf reader context

Throws:

IOException