org.alfresco.repo.search.impl.lucene.query

Class ContainerScorer

java.lang.Object

org.apache.lucene.search.DocIdSetIterator

org.apache.lucene.search.Scorer

org.alfresco.repo.search.impl.lucene.query.ContainerScorer

public class ContainerScorer
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.

Constructor Summary

Constructors

Constructor and Description
ContainerScorer(org.apache.lucene.search.Weight weight, org.apache.lucene.index.TermPositions root, StructuredFieldPosition[] positions, org.apache.lucene.index.TermPositions containers, org.apache.lucene.search.Similarity similarity, byte[] norms) The arguments here follow the same pattern as used by the PhraseQuery.

Method Summary

Methods

Modifier and Type	Method and Description
int	doc()
org.apache.lucene.search.Explanation	explain(int doc)
boolean	next()
float	score()
boolean	skipTo(int target)

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

getSimilarity, score, score

Methods inherited from class java.lang.Object

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

Constructor Detail

ContainerScorer

public ContainerScorer(org.apache.lucene.search.Weight weight,
               org.apache.lucene.index.TermPositions root,
               StructuredFieldPosition[] positions,
               org.apache.lucene.index.TermPositions containers,
               org.apache.lucene.search.Similarity similarity,
               byte[] norms)

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

Parameters:

weight - - curently unsued

tps - - the term positions for the terms we are trying to find

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

similarity - - used in the abstract scorer implementation

norms - - unused

Method Detail

next

public boolean next()
             throws java.io.IOException

Specified by:

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

Throws:

java.io.IOException

doc

public int doc()

Specified by:

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

score

public float score()
            throws java.io.IOException

Specified by:

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

Throws:

java.io.IOException

skipTo

public boolean skipTo(int target)
               throws java.io.IOException

Specified by:

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

Throws:

java.io.IOException

explain

public org.apache.lucene.search.Explanation explain(int doc)
                                             throws java.io.IOException

Specified by:

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

Throws:

java.io.IOException