Package org.apache.solr.ltr

Class LTRScoringQuery.ModelWeight

java.lang.Object

org.apache.lucene.search.Weight

org.apache.solr.ltr.LTRScoringQuery.ModelWeight

All Implemented Interfaces:

org.apache.lucene.search.SegmentCacheable

Enclosing class:

LTRScoringQuery

public class LTRScoringQuery.ModelWeight
extends org.apache.lucene.search.Weight

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	LTRScoringQuery.ModelWeight.ModelScorer

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

org.apache.lucene.search.Weight.DefaultBulkScorer, org.apache.lucene.search.Weight.DefaultScorerSupplier

Field Summary

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

parentQuery

Constructor Summary

Constructors

Constructor	Description
ModelWeight(Feature.FeatureWeight[] modelFeatureWeights, int allFeaturesSize)

Method Summary

Modifier and Type	Method	Description
org.apache.lucene.search.Explanation	explain(org.apache.lucene.index.LeafReaderContext context, int doc)
LTRScoringQuery.FeatureInfo[]	getAllFeaturesInStore()
float[]	getModelFeatureValuesNormalized()
boolean	isCacheable(org.apache.lucene.index.LeafReaderContext ctx)
LTRScoringQuery.ModelWeight.ModelScorer	modelScorer(org.apache.lucene.index.LeafReaderContext context)
void	normalizeFeatures()	Goes through all the stored feature values, and calculates the normalized values for all the features that will be used for scoring.
org.apache.lucene.search.ScorerSupplier	scorerSupplier(org.apache.lucene.index.LeafReaderContext context)

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

bulkScorer, count, getQuery, matches, scorer

Methods inherited from class java.lang.Object

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

Constructor Details

ModelWeight

public ModelWeight(Feature.FeatureWeight[] modelFeatureWeights,
 int allFeaturesSize)

Method Details

getAllFeaturesInStore

public LTRScoringQuery.FeatureInfo[] getAllFeaturesInStore()

getModelFeatureValuesNormalized

public float[] getModelFeatureValuesNormalized()

normalizeFeatures

public void normalizeFeatures()

Goes through all the stored feature values, and calculates the normalized values for all the features that will be used for scoring. Then calculate and return the model's score.

explain

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

Specified by:

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

Throws:

IOException

scorerSupplier

public org.apache.lucene.search.ScorerSupplier scorerSupplier(org.apache.lucene.index.LeafReaderContext context)
                                                       throws IOException

Specified by:

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

Throws:

IOException

modelScorer

public LTRScoringQuery.ModelWeight.ModelScorer modelScorer(org.apache.lucene.index.LeafReaderContext context)
                                                    throws IOException

Throws:

IOException

isCacheable

public boolean isCacheable(org.apache.lucene.index.LeafReaderContext ctx)