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.
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.
|Constructor and Description
Creates a new instance by wrapping the given scorer.
|Modifier and Type
|Method and Description
Returns the doc ID that is currently being scored.
Returns child sub-scorers positioned on the current document
Returns the score of the current document matching the query.
Optional method: Tell the scorer that its iterator may safely ignore all documents whose score is less than the given
public ScoreCachingWrappingScorer(Scorable scorer)
public float score() throws IOException
public void setMinCompetitiveScore(float minScore) throws IOException
minScore. 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
public int docID()
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