Package org.apache.solr.ltr.scoring

Class SingleFeatureScorer

java.lang.Object

org.apache.lucene.search.Scorable

org.apache.lucene.search.Scorer

org.apache.solr.ltr.scoring.FeatureTraversalScorer

org.apache.solr.ltr.scoring.SingleFeatureScorer

public class SingleFeatureScorer
extends FeatureTraversalScorer

This class is responsible for extracting a single feature and using it to score the document.

Nested Class Summary

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

org.apache.lucene.search.Scorable.ChildScorable

Field Summary

Fields

Modifier and Type	Field	Description
protected DocInfo	docInfo

Fields inherited from class org.apache.solr.ltr.scoring.FeatureTraversalScorer

allFeaturesInStore, extractedFeatureWeights, featureExtractor, ltrScoringModel, modelWeight

Constructor Summary

Constructors

Constructor	Description
SingleFeatureScorer(LTRScoringQuery.ModelWeight modelWeight, SolrQueryRequest request, Feature.FeatureWeight[] extractedFeatureWeights, LTRScoringQuery.FeatureInfo[] allFeaturesInStore, LTRScoringModel ltrScoringModel, Map<String,String[]> efi, List<Feature.FeatureWeight.FeatureScorer> featureScorers, DocInfo docInfo)

Method Summary

Modifier and Type	Method	Description
int	docID()
int	getActiveDoc()
final Collection<org.apache.lucene.search.Scorable.ChildScorable>	getChildren()
DocInfo	getDocInfo()
int	getTargetDoc()
org.apache.lucene.search.DocIdSetIterator	iterator()

Methods inherited from class org.apache.solr.ltr.scoring.FeatureTraversalScorer

fillFeaturesInfo, getMaxScore, reset, score

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

advanceShallow, nextDocsAndScores, twoPhaseIterator

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

setMinCompetitiveScore, smoothingScore

Methods inherited from class java.lang.Object

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

Field Details

docInfo

protected DocInfo docInfo

Constructor Details

SingleFeatureScorer

public SingleFeatureScorer(LTRScoringQuery.ModelWeight modelWeight,
 SolrQueryRequest request,
 Feature.FeatureWeight[] extractedFeatureWeights,
 LTRScoringQuery.FeatureInfo[] allFeaturesInStore,
 LTRScoringModel ltrScoringModel,
 Map<String,String[]> efi,
 List<Feature.FeatureWeight.FeatureScorer> featureScorers,
 DocInfo docInfo)

Method Details

getActiveDoc

public int getActiveDoc()

Specified by:

getActiveDoc in class FeatureTraversalScorer

getTargetDoc

public int getTargetDoc()

Specified by:

getTargetDoc in class FeatureTraversalScorer

getDocInfo

public DocInfo getDocInfo()

Specified by:

getDocInfo in class FeatureTraversalScorer

docID

public int docID()

Specified by:

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

getChildren

public final Collection<org.apache.lucene.search.Scorable.ChildScorable> getChildren()

Overrides:

getChildren in class org.apache.lucene.search.Scorable

iterator

public org.apache.lucene.search.DocIdSetIterator iterator()

Specified by:

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