org.apache.lucene.search.payloads

Class PayloadNearQuery.PayloadNearSpanWeight

java.lang.Object

org.apache.lucene.search.Weight

org.apache.lucene.search.spans.SpanWeight

org.apache.lucene.search.spans.SpanNearQuery.SpanNearWeight

org.apache.lucene.search.payloads.PayloadNearQuery.PayloadNearSpanWeight

Enclosing class:

PayloadNearQuery

public class PayloadNearQuery.PayloadNearSpanWeight
extends SpanNearQuery.SpanNearWeight

Nested Class Summary

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

field, similarity, simWeight

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

parentQuery

Constructor Summary

Constructors

Constructor and Description
PayloadNearQuery.PayloadNearSpanWeight(List<SpanWeight> subWeights, IndexSearcher searcher, Map<Term,TermContext> terms)

Method Summary

Methods

Modifier and Type	Method and Description
Explanation	explain(LeafReaderContext context, int doc) An explanation of the score computation for the named document.
Scorer	scorer(LeafReaderContext context) Returns a Scorer which can iterate in order over all matching documents and assign them a score.

Methods inherited from class org.apache.lucene.search.spans.SpanNearQuery.SpanNearWeight

extractTermContexts, extractTerms, getSpans

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

getSimScorer, getValueForNormalization, normalize

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

bulkScorer, getQuery

Methods inherited from class java.lang.Object

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

Constructor Detail

PayloadNearQuery.PayloadNearSpanWeight

public PayloadNearQuery.PayloadNearSpanWeight(List<SpanWeight> subWeights,
                                      IndexSearcher searcher,
                                      Map<Term,TermContext> terms)
                                       throws IOException

Throws:

IOException

Method Detail

scorer

public Scorer scorer(LeafReaderContext context)
              throws IOException

Description copied from class: Weight

Returns a Scorer which can iterate in order over all matching documents and assign them a score.

NOTE: null can be returned if no documents will be scored by this query.

NOTE: The returned Scorer does not have LeafReader.getLiveDocs() applied, they need to be checked on top.

Overrides:

scorer in class SpanWeight

Parameters:

context - the LeafReaderContext for which to return the Scorer.

Returns:

a Scorer which scores documents in/out-of order.

Throws:

IOException - if there is a low-level I/O error

explain

public Explanation explain(LeafReaderContext context,
                  int doc)
                    throws IOException

Description copied from class: Weight

An explanation of the score computation for the named document.

Overrides:

explain in class SpanWeight

Parameters:

context - the readers context to create the Explanation for.

doc - the document's id relative to the given context's reader

Returns:

an Explanation for the score

Throws:

IOException - if an IOException occurs