public final class ScoreCachingWrappingScorer extends Scorable
Scorer which wraps another scorer and caches the score of the
current document. Successive calls to score() will return the same
result and will not invoke the wrapped Scorer's score() method, unless the
current document has changed.Collector
interface, in which the score is not computed for a document by default, only
if the collector requests it. Some collectors may need to use the score in
several places, however all they have in hand is a Scorer object, and
might end up computing the score of a document more than once.Scorable.ChildScorable| Constructor and Description |
|---|
ScoreCachingWrappingScorer(Scorable scorer)
Deprecated.
Use
wrap(Scorable) instead |
| Modifier and Type | Method and Description |
|---|---|
int |
docID()
Returns the doc ID that is currently being scored.
|
Collection<Scorable.ChildScorable> |
getChildren()
Returns child sub-scorers positioned on the current document
|
float |
score()
Returns the score of the current document matching the query.
|
void |
setMinCompetitiveScore(float minScore)
Optional method: Tell the scorer that its iterator may safely ignore all
documents whose score is less than the given
minScore. |
static Scorable |
wrap(Scorable scorer)
Wraps the provided
Scorable unless it's already an instance of
ScoreCachingWrappingScorer, in which case it will just return the provided instance. |
smoothingScore@Deprecated public ScoreCachingWrappingScorer(Scorable scorer)
wrap(Scorable) insteadpublic static Scorable wrap(Scorable scorer)
Scorable unless it's already an instance of
ScoreCachingWrappingScorer, in which case it will just return the provided instance.scorer - Underlying Scorable to wrapScoreCachingWrappingScorer wrapping the underlying scorerpublic float score()
throws IOException
Scorablescore in class ScorableIOExceptionpublic void setMinCompetitiveScore(float minScore)
throws IOException
ScorableminScore. This is a
no-op by default.
This method may only be called from collectors that use
ScoreMode.TOP_SCORES, and successive calls may only set increasing
values of minScore.setMinCompetitiveScore in class ScorableIOExceptionpublic int docID()
Scorablepublic Collection<Scorable.ChildScorable> getChildren()
ScorablegetChildren in class ScorableCopyright © 2000-2024 Apache Software Foundation. All Rights Reserved.