final class FeatureQuery extends Query
Modifier and Type | Field and Description |
---|---|
private java.lang.String |
featureName |
private java.lang.String |
fieldName |
private FeatureField.FeatureFunction |
function |
Constructor and Description |
---|
FeatureQuery(java.lang.String fieldName,
java.lang.String featureName,
FeatureField.FeatureFunction function) |
Modifier and Type | Method and Description |
---|---|
Weight |
createWeight(IndexSearcher searcher,
ScoreMode scoreMode,
float boost)
Expert: Constructs an appropriate Weight implementation for this query.
|
boolean |
equals(java.lang.Object obj)
Override and implement query instance equivalence properly in a subclass.
|
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. |
void |
visit(QueryVisitor visitor)
Recurse through the query tree, visiting any child queries
|
classHash, sameClassAs, toString
private final java.lang.String fieldName
private final java.lang.String featureName
private final FeatureField.FeatureFunction function
FeatureQuery(java.lang.String fieldName, java.lang.String featureName, FeatureField.FeatureFunction function)
public Query rewrite(IndexReader reader) throws java.io.IOException
Query
public boolean equals(java.lang.Object obj)
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()
public int hashCode()
Query
QueryCache
works properly.hashCode
in class Query
Query.equals(Object)
public Weight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws java.io.IOException
Query
Only implemented by primitive queries, which re-write to themselves.
createWeight
in class Query
scoreMode
- How the produced scorers will be consumed.boost
- The boost that is propagated by the parent queries.java.io.IOException
public void visit(QueryVisitor visitor)
Query