public final class SpanBoostQuery extends SpanQuery
BoostQuery
for spans.Constructor and Description |
---|
SpanBoostQuery(SpanQuery query,
float boost)
Sole constructor: wrap
query in such a way that the produced
scores will be boosted by boost . |
Modifier and Type | Method and Description |
---|---|
SpanWeight |
createWeight(IndexSearcher searcher,
boolean needsScores)
Create a SpanWeight for this query
|
boolean |
equals(Object obj) |
float |
getBoost()
Gets the boost for this clause.
|
String |
getField()
Returns the name of the field matched by this query.
|
SpanQuery |
getQuery()
Return the wrapped
SpanQuery . |
int |
hashCode() |
Query |
rewrite(IndexReader reader)
Expert: called to re-write queries into primitive queries.
|
String |
toString(String field)
Prints a query to a string, with
field assumed to be the
default field and omitted. |
getTermContexts, getTermContexts
public SpanBoostQuery(SpanQuery query, float boost)
query
in such a way that the produced
scores will be boosted by boost
.public float getBoost()
Query
public Query rewrite(IndexReader reader) throws IOException
Query
rewrite
in class SpanQuery
IOException
public String toString(String field)
Query
field
assumed to be the
default field and omitted.public String getField()
SpanQuery
public SpanWeight createWeight(IndexSearcher searcher, boolean needsScores) throws IOException
SpanQuery
createWeight
in class SpanQuery
searcher
- the IndexSearcher to be searched acrossneedsScores
- if the query needs scoresIOException
- on errorCopyright © 2000-2017 Apache Software Foundation. All Rights Reserved.