Package org.apache.solr.ltr.feature.extraction

Class SingleFeatureExtractor

java.lang.Object

org.apache.solr.ltr.feature.extraction.FeatureExtractor

org.apache.solr.ltr.feature.extraction.SingleFeatureExtractor

public class SingleFeatureExtractor
extends FeatureExtractor

The class used to extract a single feature for LTR feature logging.

Field Summary

Fields inherited from class org.apache.solr.ltr.feature.extraction.FeatureExtractor

traversalScorer

Constructor Summary

Constructors

Constructor	Description
SingleFeatureExtractor(FeatureTraversalScorer singleFeatureScorer, SolrQueryRequest request, Feature.FeatureWeight[] extractedFeatureWeights, LTRScoringQuery.FeatureInfo[] allFeaturesInStore, LTRScoringModel ltrScoringModel, Map<String,String[]> efi, List<Feature.FeatureWeight.FeatureScorer> featureScorers)

Method Summary

Modifier and Type	Method	Description
protected float[]	extractFeatureVector()

Methods inherited from class org.apache.solr.ltr.feature.extraction.FeatureExtractor

fillFeaturesInfo, initFeatureVector

Methods inherited from class java.lang.Object

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

Constructor Details

SingleFeatureExtractor

public SingleFeatureExtractor(FeatureTraversalScorer singleFeatureScorer,
 SolrQueryRequest request,
 Feature.FeatureWeight[] extractedFeatureWeights,
 LTRScoringQuery.FeatureInfo[] allFeaturesInStore,
 LTRScoringModel ltrScoringModel,
 Map<String,String[]> efi,
 List<Feature.FeatureWeight.FeatureScorer> featureScorers)

Method Details

extractFeatureVector

protected float[] extractFeatureVector()
                                throws IOException

Specified by:

extractFeatureVector in class FeatureExtractor

Throws:

IOException