Package org.apache.lucene.sandbox.search

Class LargeNumHitsTopDocsCollectorManager

java.lang.Object

org.apache.lucene.sandbox.search.LargeNumHitsTopDocsCollectorManager

All Implemented Interfaces:

CollectorManager<LargeNumHitsTopDocsCollector,TopDocs>

public class LargeNumHitsTopDocsCollectorManager
extends Object
implements CollectorManager<LargeNumHitsTopDocsCollector,TopDocs>

CollectorManager for LargeNumHitsTopDocsCollector that enables concurrent collection of top docs across multiple segments.

Example usage:

 IndexSearcher searcher = ...; // your IndexSearcher
 TopDocs topDocs = searcher.search(new MatchAllDocsQuery(),
     new LargeNumHitsTopDocsCollectorManager(100_000));
 System.out.println("Total hits: " + topDocs.totalHits.value());
 

Constructor Summary

Constructors

Constructor	Description
LargeNumHitsTopDocsCollectorManager(int numHits)	Creates a new LargeNumHitsTopDocsCollectorManager given the number of hits to collect.

Method Summary

Modifier and Type	Method	Description
LargeNumHitsTopDocsCollector	newCollector()
TopDocs	reduce(Collection<LargeNumHitsTopDocsCollector> collectors)

Methods inherited from class java.lang.Object

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

Constructor Details

LargeNumHitsTopDocsCollectorManager

public LargeNumHitsTopDocsCollectorManager(int numHits)

Creates a new LargeNumHitsTopDocsCollectorManager given the number of hits to collect.

Parameters:

numHits - the number of results to collect.

Method Details

newCollector

public LargeNumHitsTopDocsCollector newCollector()

Specified by:

newCollector in interface CollectorManager<LargeNumHitsTopDocsCollector,TopDocs>

reduce

public TopDocs reduce(Collection<LargeNumHitsTopDocsCollector> collectors)
               throws IOException

Specified by:

reduce in interface CollectorManager<LargeNumHitsTopDocsCollector,TopDocs>

Throws:

IOException