org.sindice.siren.search.node

Class TwigQuery.TwigWeight

java.lang.Object

org.apache.lucene.search.Weight

org.sindice.siren.search.node.TwigQuery.TwigWeight

Enclosing class:

TwigQuery

protected class TwigQuery.TwigWeight
extends org.apache.lucene.search.Weight

Expert: the Weight for TwigQuery, used to normalize, score and explain these queries.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.lucene.search.Weight	rootWeight
protected org.apache.lucene.search.similarities.Similarity	similarity The Similarity implementation.
protected ArrayList<org.apache.lucene.search.Weight>	weights

Constructor Summary

Constructors

Constructor and Description
TwigQuery.TwigWeight(org.apache.lucene.search.IndexSearcher searcher)

Method Summary

Methods

Modifier and Type	Method and Description
float	coord(int overlap, int maxOverlap)
org.apache.lucene.search.Explanation	explain(org.apache.lucene.index.AtomicReaderContext context, int doc)
org.apache.lucene.search.Query	getQuery()
float	getValueForNormalization()
protected void	initWeights(org.apache.lucene.search.IndexSearcher searcher)
void	normalize(float norm, float topLevelBoost)
org.apache.lucene.search.Scorer	scorer(org.apache.lucene.index.AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, org.apache.lucene.util.Bits acceptDocs)
String	toString()

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

scoresDocsOutOfOrder

Methods inherited from class java.lang.Object

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

Field Detail

rootWeight

protected org.apache.lucene.search.Weight rootWeight

similarity

protected org.apache.lucene.search.similarities.Similarity similarity

The Similarity implementation.

weights

protected ArrayList<org.apache.lucene.search.Weight> weights

Constructor Detail

TwigQuery.TwigWeight

public TwigQuery.TwigWeight(org.apache.lucene.search.IndexSearcher searcher)
                     throws IOException

Throws:

IOException

Method Detail

initWeights

protected void initWeights(org.apache.lucene.search.IndexSearcher searcher)
                    throws IOException

Throws:

IOException

getValueForNormalization

public float getValueForNormalization()
                               throws IOException

Specified by:

getValueForNormalization in class org.apache.lucene.search.Weight

Throws:

IOException

normalize

public void normalize(float norm,
             float topLevelBoost)

Specified by:

normalize in class org.apache.lucene.search.Weight

explain

public org.apache.lucene.search.Explanation explain(org.apache.lucene.index.AtomicReaderContext context,
                                           int doc)
                                             throws IOException

Specified by:

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

Throws:

IOException

scorer

public org.apache.lucene.search.Scorer scorer(org.apache.lucene.index.AtomicReaderContext context,
                                     boolean scoreDocsInOrder,
                                     boolean topScorer,
                                     org.apache.lucene.util.Bits acceptDocs)
                                       throws IOException

Specified by:

scorer in class org.apache.lucene.search.Weight

Throws:

IOException

getQuery

public org.apache.lucene.search.Query getQuery()

Specified by:

getQuery in class org.apache.lucene.search.Weight

toString

public String toString()

Overrides:

toString in class Object

coord

public float coord(int overlap,
          int maxOverlap)