Package org.apache.lucene.queries.spans

Class SpanWithinQuery.SpanWithinWeight

java.lang.Object

org.apache.lucene.search.Weight

org.apache.lucene.queries.spans.SpanWeight

org.apache.lucene.queries.spans.SpanContainQuery.SpanContainWeight

org.apache.lucene.queries.spans.SpanWithinQuery.SpanWithinWeight

All Implemented Interfaces:

SegmentCacheable

Enclosing class:

SpanWithinQuery

public class SpanWithinQuery.SpanWithinWeight
extends org.apache.lucene.queries.spans.SpanContainQuery.SpanContainWeight

Creates SpanWithinQuery scorer instances

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.queries.spans.SpanWeight

SpanWeight.Postings

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

Weight.DefaultBulkScorer

Field Summary

Fields inherited from class org.apache.lucene.queries.spans.SpanWeight

field, similarity, simScorer

Fields inherited from class org.apache.lucene.search.Weight

parentQuery

Constructor Summary

Constructors

Constructor	Description
SpanWithinWeight(IndexSearcher searcher, Map<Term,TermStates> terms, SpanWeight bigWeight, SpanWeight littleWeight, float boost)

Method Summary

Modifier and Type	Method	Description
Spans	getSpans(LeafReaderContext context, SpanWeight.Postings requiredPostings)	Return spans from little that are contained in a spans from big.
boolean	isCacheable(LeafReaderContext ctx)

Methods inherited from class org.apache.lucene.queries.spans.SpanContainQuery.SpanContainWeight

extractTermStates

Methods inherited from class org.apache.lucene.queries.spans.SpanWeight

explain, getSimScorer, matches, scorer

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

bulkScorer, count, getQuery, scorerSupplier

Methods inherited from class java.lang.Object

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

Constructor Details

SpanWithinWeight

public SpanWithinWeight(IndexSearcher searcher,
 Map<Term,TermStates> terms,
 SpanWeight bigWeight,
 SpanWeight littleWeight,
 float boost)
                 throws IOException

Throws:

IOException

Method Details

getSpans

public Spans getSpans(LeafReaderContext context,
 SpanWeight.Postings requiredPostings)
               throws IOException

Return spans from little that are contained in a spans from big. The payload is from the spans of little.

Specified by:

getSpans in class SpanWeight

Parameters:

context - a LeafReaderContext for this Spans

Returns:

a Spans

Throws:

IOException - on error

isCacheable

public boolean isCacheable(LeafReaderContext ctx)