protected class FunctionQuery.FunctionWeight extends Weight
Weight.DefaultBulkScorer
Modifier and Type | Field and Description |
---|---|
protected float |
boost |
protected java.util.Map |
context |
protected IndexSearcher |
searcher |
parentQuery
Constructor and Description |
---|
FunctionWeight(IndexSearcher searcher,
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) |
Scorer |
scorer(LeafReaderContext context)
Returns a
Scorer which can iterate in order over all matching
documents and assign them a score. |
bulkScorer, getQuery, matches, scorerSupplier
protected final IndexSearcher searcher
protected final float boost
protected final java.util.Map context
public FunctionWeight(IndexSearcher searcher, float boost) throws java.io.IOException
java.io.IOException
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 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 leafpublic 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
occurs