org.modeshape.jcr.query.lucene

Class ScoreQuery.NotScorer

java.lang.Object

org.apache.lucene.search.DocIdSetIterator

org.apache.lucene.search.Scorer

org.modeshape.jcr.query.lucene.ScoreQuery.NotScorer

Enclosing class:

ScoreQuery

protected static class ScoreQuery.NotScorer
extends org.apache.lucene.search.Scorer

A scorer for the NOT query that iterates over documents (in increasing docId order), using the given scorer implementation for the operand of the NOT.

Nested Class Summary

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

org.apache.lucene.search.Scorer.ScorerVisitor<P extends org.apache.lucene.search.Query,C extends org.apache.lucene.search.Query,S extends org.apache.lucene.search.Scorer>

Field Summary

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

weight

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

NO_MORE_DOCS

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ScoreQuery.NotScorer(org.apache.lucene.search.Scorer operandScorer, org.apache.lucene.index.IndexReader reader, org.apache.lucene.search.Weight weight)

Method Summary

Methods

Modifier and Type	Method and Description
int	advance(int target)
int	docID()
int	nextDoc()
float	score() This method always returns a score of 1.0 for the current document, since only those documents that satisfy the NOT are scored by this scorer.

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

freq, getSimilarity, score, score, visitScorers, visitSubScorers

Methods inherited from class java.lang.Object

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

Constructor Detail

ScoreQuery.NotScorer

protected ScoreQuery.NotScorer(org.apache.lucene.search.Scorer operandScorer,
                    org.apache.lucene.index.IndexReader reader,
                    org.apache.lucene.search.Weight weight)

Parameters:

operandScorer - the scorer that is used to score the documents based upon the operand of the NOT; may not be null

reader - the reader that has access to all the docs ...

weight -

Method Detail

docID

public int docID()

Specified by:

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

See Also:

DocIdSetIterator.docID()

nextDoc

public int nextDoc()
            throws IOException

Specified by:

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

Throws:

IOException

See Also:

DocIdSetIterator.nextDoc()

advance

public int advance(int target)
            throws IOException

Specified by:

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

Throws:

IOException

See Also:

DocIdSetIterator.advance(int)

score

public float score()

This method always returns a score of 1.0 for the current document, since only those documents that satisfy the NOT are scored by this scorer.

Specified by:

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

See Also:

Scorer.score()