Package org.apache.lucene.search.knn

Class TopKnnCollectorManager

java.lang.Object

org.apache.lucene.search.knn.TopKnnCollectorManager

All Implemented Interfaces:

KnnCollectorManager

public class TopKnnCollectorManager
extends Object
implements KnnCollectorManager

TopKnnCollectorManager responsible for creating TopKnnCollector instances. When concurrency is supported, the BlockingFloatHeap is used to track the global top scores collected across all leaves.

Constructor Summary

Constructors

Constructor	Description
TopKnnCollectorManager(int k, IndexSearcher indexSearcher)

Method Summary

Modifier and Type	Method	Description
TopKnnCollector	newCollector(int visitedLimit, LeafReaderContext context)	Return a new TopKnnCollector instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

TopKnnCollectorManager

public TopKnnCollectorManager(int k,
                              IndexSearcher indexSearcher)

Method Detail

newCollector

public TopKnnCollector newCollector(int visitedLimit,
                                    LeafReaderContext context)
                             throws IOException

Return a new TopKnnCollector 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