Package org.apache.lucene.search.join

Class GlobalOrdinalsWithScoreQuery.W

java.lang.Object

org.apache.lucene.search.Weight

org.apache.lucene.search.FilterWeight

org.apache.lucene.search.join.GlobalOrdinalsWithScoreQuery.W

All Implemented Interfaces:

SegmentCacheable

Enclosing class:

GlobalOrdinalsWithScoreQuery

final class GlobalOrdinalsWithScoreQuery.W
extends FilterWeight

Nested Class Summary

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

Weight.DefaultBulkScorer, Weight.StartDISIWrapper

Field Summary

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

in

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

parentQuery

Constructor Summary

Constructors

Constructor	Description
W(Query query, Weight approximationWeight)

Method Summary

Modifier and Type	Method	Description
Explanation	explain(LeafReaderContext context, int doc)	An explanation of the score computation for the named document.
boolean	isCacheable(LeafReaderContext ctx)
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.FilterWeight

extractTerms, matches

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

bulkScorer, getQuery, scorerSupplier

Methods inherited from class java.lang.Object

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

Constructor Detail

W

W(Query query,
  Weight approximationWeight)

Method Detail

explain

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

Description copied from class: Weight

An explanation of the score computation for the named document.

Overrides:

explain in class FilterWeight

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:

java.io.IOException - if an IOException occurs

scorer

public Scorer scorer(LeafReaderContext context)
              throws java.io.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 FilterWeight

Parameters:

context - the LeafReaderContext for which to return the Scorer.

Returns:

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

Throws:

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

isCacheable

public boolean isCacheable(LeafReaderContext ctx)

Specified by:

isCacheable in interface SegmentCacheable

Overrides:

isCacheable in class FilterWeight

Returns:

true if the object can be cached against a given leaf