org.elasticsearch.index.search.child

Class ConstantScorer

java.lang.Object

org.apache.lucene.search.DocIdSetIterator

org.apache.lucene.index.DocsEnum

org.apache.lucene.search.Scorer

org.elasticsearch.index.search.child.ConstantScorer

public class ConstantScorer
extends org.apache.lucene.search.Scorer

A scorer that wraps a DocIdSetIterator and emits a constant score.

Nested Class Summary

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

org.apache.lucene.search.Scorer.ChildScorer

Field Summary

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

weight

Fields inherited from class org.apache.lucene.index.DocsEnum

FLAG_FREQS, FLAG_NONE

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

NO_MORE_DOCS

Method Summary

Modifier and Type	Method and Description
int	advance(int target)
long	cost()
static ConstantScorer	create(org.apache.lucene.search.DocIdSetIterator iterator, org.apache.lucene.search.Weight weight, float constantScore)
int	docID()
int	freq()
int	nextDoc()
float	score()

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

getChildren, getWeight

Methods inherited from class org.apache.lucene.index.DocsEnum

attributes

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

empty, slowAdvance

Methods inherited from class java.lang.Object

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

Method Detail

create

public static ConstantScorer create(org.apache.lucene.search.DocIdSetIterator iterator,
                                    org.apache.lucene.search.Weight weight,
                                    float constantScore)
                             throws IOException

Throws:

IOException

nextDoc

public int nextDoc()
            throws IOException

Specified by:

nextDoc in class org.apache.lucene.search.DocIdSetIterator

Throws:

IOException

docID

public int docID()

Specified by:

docID in class org.apache.lucene.search.DocIdSetIterator

score

public float score()
            throws IOException

Specified by:

score in class org.apache.lucene.search.Scorer

Throws:

IOException

freq

public int freq()
         throws IOException

Specified by:

freq in class org.apache.lucene.index.DocsEnum

Throws:

IOException

advance

public int advance(int target)
            throws IOException

Specified by:

advance in class org.apache.lucene.search.DocIdSetIterator

Throws:

IOException

cost

public long cost()

Specified by:

cost in class org.apache.lucene.search.DocIdSetIterator