public abstract static class Similarity.SimScorer extends Object
TermQuery
,
SpanQuery
, and PhraseQuery
.
Frequencies are floating-point values: an approximate
within-document frequency adjusted for "sloppiness" by
computeSlopFactor(int)
.
Constructor and Description |
---|
SimScorer()
Sole constructor.
|
Modifier and Type | Method and Description |
---|---|
abstract float |
computePayloadFactor(int doc,
int start,
int end,
BytesRef payload)
Calculate a scoring factor based on the data in the payload.
|
abstract float |
computeSlopFactor(int distance)
Computes the amount of a sloppy phrase match, based on an edit distance.
|
Explanation |
explain(int doc,
Explanation freq)
Explain the score for a single document
|
abstract float |
score(int doc,
float freq)
Score a single document
|
public SimScorer()
public abstract float score(int doc, float freq)
doc
- document id within the inverted index segmentfreq
- sloppy term frequencypublic abstract float computeSlopFactor(int distance)
public abstract float computePayloadFactor(int doc, int start, int end, BytesRef payload)
public Explanation explain(int doc, Explanation freq)
doc
- document id within the inverted index segmentfreq
- Explanation of how the sloppy term frequency was computedCopyright © 2000-2016 Apache Software Foundation. All Rights Reserved.