org.alfresco.solr.query

Class SolrContainerScorer

java.lang.Object

org.apache.lucene.search.DocIdSetIterator

org.apache.lucene.index.DocsEnum

org.apache.lucene.search.Scorer

org.alfresco.solr.query.SolrContainerScorer

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

The scorer for structured field queries. A document either matches or it does not, there for the frequency is reported as 0.0f or 1.0.

Author:

andyh

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.index.DocsEnum

FLAG_FREQS, FLAG_NONE

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

NO_MORE_DOCS

Constructor Summary

Constructors

Constructor and Description
SolrContainerScorer(org.apache.lucene.search.Weight weight, org.apache.lucene.index.DocsAndPositionsEnum root, StructuredFieldPosition[] positions) The arguments here follow the same pattern as used by the PhraseQuery.

Method Summary

Modifier and Type	Method and Description
int	advance(int target)
long	cost()
int	docID()
int	freq()
boolean	next()
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

Constructor Detail

SolrContainerScorer

public SolrContainerScorer(org.apache.lucene.search.Weight weight,
                           org.apache.lucene.index.DocsAndPositionsEnum root,
                           StructuredFieldPosition[] positions)

The arguments here follow the same pattern as used by the PhraseQuery. (It has the same unused arguments)

Parameters:

weight - - curently unsued

root - - the term positions for documents with multiple entries - this may be null, or contain no matches - it specifies those things that appear under multiple categories etc.

positions - - the structured field positions - where terms should appear

Method Detail

next

public boolean next()
             throws IOException

Throws:

IOException

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

docID

public int docID()

Specified by:

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

nextDoc

public int nextDoc()
            throws IOException

Specified by:

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

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