public final class BoostedQuery extends Query
Modifier and Type | Class and Description |
---|---|
private class |
BoostedQuery.BoostedWeight |
private class |
BoostedQuery.CustomScorer |
Modifier and Type | Field and Description |
---|---|
private ValueSource |
boostVal |
private Query |
q |
Constructor and Description |
---|
BoostedQuery(Query subQuery,
ValueSource boostVal) |
Modifier and Type | Method and Description |
---|---|
Weight |
createWeight(IndexSearcher searcher,
boolean needsScores)
Expert: Constructs an appropriate Weight implementation for this query.
|
boolean |
equals(java.lang.Object other)
Override and implement query instance equivalence properly in a subclass.
|
private boolean |
equalsTo(BoostedQuery other) |
Query |
getQuery() |
ValueSource |
getValueSource() |
int |
hashCode()
Override and implement query hash code properly in a subclass.
|
Query |
rewrite(IndexReader reader)
Expert: called to re-write queries into primitive queries.
|
java.lang.String |
toString(java.lang.String field)
Prints a query to a string, with
field assumed to be the
default field and omitted. |
classHash, sameClassAs, toString
private final Query q
private final ValueSource boostVal
public BoostedQuery(Query subQuery, ValueSource boostVal)
public Query getQuery()
public ValueSource getValueSource()
public Query rewrite(IndexReader reader) throws java.io.IOException
Query
public Weight createWeight(IndexSearcher searcher, boolean needsScores) throws java.io.IOException
Query
Only implemented by primitive queries, which re-write to themselves.
createWeight
in class Query
needsScores
- True if document scores (Scorer.score()
) or match
frequencies (Scorer.freq()
) are needed.java.io.IOException
public java.lang.String toString(java.lang.String field)
Query
field
assumed to be the
default field and omitted.public boolean equals(java.lang.Object other)
Query
QueryCache
works properly.
Typically a query will be equal to another only if it's an instance of
the same class and its document-filtering properties are identical that other
instance. Utility methods are provided for certain repetitive code.equals
in class Query
Query.sameClassAs(Object)
,
Query.classHash()
private boolean equalsTo(BoostedQuery other)
public int hashCode()
Query
QueryCache
works properly.hashCode
in class Query
Query.equals(Object)