org.apache.lucene.queries.function

Class FunctionQuery.FunctionWeight

java.lang.Object

org.apache.lucene.search.Weight

org.apache.lucene.queries.function.FunctionQuery.FunctionWeight

Enclosing class:

FunctionQuery

protected class FunctionQuery.FunctionWeight
extends Weight

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.Weight

Weight.DefaultBulkScorer

Field Summary

Fields

Modifier and Type	Field and Description
protected Map	context
protected float	queryNorm
protected float	queryWeight
protected IndexSearcher	searcher

Fields inherited from class org.apache.lucene.search.Weight

parentQuery

Constructor Summary

Constructors

Constructor and Description
FunctionQuery.FunctionWeight(IndexSearcher searcher)

Method Summary

Methods

Modifier and Type	Method and Description
Explanation	explain(LeafReaderContext context, int doc)
void	extractTerms(Set<Term> terms)
float	getValueForNormalization()
void	normalize(float norm, float topLevelBoost)
Scorer	scorer(LeafReaderContext context, Bits acceptDocs)

Methods inherited from class org.apache.lucene.search.Weight

bulkScorer, getQuery

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

searcher

protected final IndexSearcher searcher

queryNorm

protected float queryNorm

queryWeight

protected float queryWeight

context

protected final Map context

Constructor Detail

FunctionQuery.FunctionWeight

public FunctionQuery.FunctionWeight(IndexSearcher searcher)
                             throws IOException

Throws:

IOException

Method Detail

extractTerms

public void extractTerms(Set<Term> terms)

Specified by:

extractTerms in class Weight

getValueForNormalization

public float getValueForNormalization()
                               throws IOException

Specified by:

getValueForNormalization in class Weight

Throws:

IOException

normalize

public void normalize(float norm,
             float topLevelBoost)

Specified by:

normalize in class Weight

scorer

public Scorer scorer(LeafReaderContext context,
            Bits acceptDocs)
              throws IOException

Specified by:

scorer in class Weight

Throws:

IOException

explain

public Explanation explain(LeafReaderContext context,
                  int doc)
                    throws IOException

Specified by:

explain in class Weight

Throws:

IOException