private static class FunctionScoreQuery.FunctionScoreWeight extends Weight
Weight.DefaultBulkScorer
Modifier and Type | Field and Description |
---|---|
(package private) float |
boost |
(package private) Weight |
inner |
(package private) DoubleValuesSource |
valueSource |
parentQuery
Constructor and Description |
---|
FunctionScoreWeight(Query query,
Weight inner,
DoubleValuesSource valueSource,
float boost) |
Modifier and Type | Method and Description |
---|---|
Explanation |
explain(LeafReaderContext context,
int doc)
An explanation of the score computation for the named document.
|
void |
extractTerms(java.util.Set<Term> terms)
Expert: adds all terms occurring in this query to the terms set.
|
boolean |
isCacheable(LeafReaderContext ctx) |
Matches |
matches(LeafReaderContext context,
int doc)
Returns
Matches for a specific document, or null if the document
does not match the parent query
A query match that contains no position information (for example, a Point or
DocValues query) will return MatchesUtils.MATCH_WITH_NO_TERMS |
Scorer |
scorer(LeafReaderContext context)
Returns a
Scorer which can iterate in order over all matching
documents and assign them a score. |
bulkScorer, getQuery, scorerSupplier
final Weight inner
final DoubleValuesSource valueSource
final float boost
FunctionScoreWeight(Query query, Weight inner, DoubleValuesSource valueSource, float boost)
public void extractTerms(java.util.Set<Term> terms)
Weight
Weight
was created with needsScores == true
then this
method will only extract terms which are used for scoring, otherwise it
will extract all terms which are used for matching.extractTerms
in class Weight
public Matches matches(LeafReaderContext context, int doc) throws java.io.IOException
Weight
Matches
for a specific document, or null
if the document
does not match the parent query
A query match that contains no position information (for example, a Point or
DocValues query) will return MatchesUtils.MATCH_WITH_NO_TERMS
public Explanation explain(LeafReaderContext context, int doc) throws java.io.IOException
Weight
explain
in class Weight
context
- the readers context to create the Explanation
for.doc
- the document's id relative to the given context's readerjava.io.IOException
- if an IOException
occurspublic Scorer scorer(LeafReaderContext context) throws java.io.IOException
Weight
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.
scorer
in class Weight
context
- the LeafReaderContext
for which to return the Scorer
.Scorer
which scores documents in/out-of order.java.io.IOException
- if there is a low-level I/O errorpublic boolean isCacheable(LeafReaderContext ctx)
true
if the object can be cached against a given leaf