public class SpanWeight extends Weight
Weight.DefaultBulkScorer
Modifier and Type | Field and Description |
---|---|
protected SpanQuery |
query |
protected Similarity |
similarity |
protected Similarity.SimWeight |
stats |
protected Map<Term,TermContext> |
termContexts |
parentQuery
Constructor and Description |
---|
SpanWeight(SpanQuery query,
IndexSearcher searcher) |
Modifier and Type | Method and Description |
---|---|
Explanation |
explain(LeafReaderContext context,
int doc)
An explanation of the score computation for the named document.
|
void |
extractTerms(Set<Term> terms)
Expert: adds all terms occurring in this query to the terms set.
|
float |
getValueForNormalization()
The value for normalization of contained query clauses (e.g.
|
void |
normalize(float queryNorm,
float topLevelBoost)
Assigns the query normalization factor and boost from parent queries to this.
|
Scorer |
scorer(LeafReaderContext context,
Bits acceptDocs)
Returns a
Scorer which scores documents in/out-of order according
to scoreDocsInOrder . |
bulkScorer, getQuery
protected final Similarity similarity
protected final Map<Term,TermContext> termContexts
protected final SpanQuery query
protected Similarity.SimWeight stats
public SpanWeight(SpanQuery query, IndexSearcher searcher) throws IOException
IOException
public void extractTerms(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 float getValueForNormalization() throws IOException
Weight
getValueForNormalization
in class Weight
IOException
public void normalize(float queryNorm, float topLevelBoost)
Weight
public Scorer scorer(LeafReaderContext context, Bits acceptDocs) throws IOException
Weight
Scorer
which scores documents in/out-of order according
to scoreDocsInOrder
.
NOTE: null can be returned if no documents will be scored by this query.
scorer
in class Weight
context
- the LeafReaderContext
for which to return the Scorer
.acceptDocs
- Bits that represent the allowable docs to match (typically deleted docs
but possibly filtering other documents)Scorer
which scores documents in/out-of order.IOException
- if there is a low-level I/O errorpublic Explanation explain(LeafReaderContext context, int doc) throws 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 readerIOException
- if an IOException
occursCopyright © 2000-2015 Apache Software Foundation. All Rights Reserved.