Package com.yahoo.searchdefinition.expressiontransforms

Class XgboostFeatureConverter

java.lang.Object

com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer<RankProfileTransformContext>

com.yahoo.searchdefinition.expressiontransforms.XgboostFeatureConverter

public class XgboostFeatureConverter
extends com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer<RankProfileTransformContext>

Replaces instances of the xgboost(model-path) pseudofeature with the native Vespa ranking expression implementing the same computation.

Author:

grace-lam, bratseth

Constructor Summary

Constructors

Constructor	Description
XgboostFeatureConverter()

Method Summary

Modifier and Type	Method	Description
com.yahoo.searchlib.rankingexpression.rule.ExpressionNode	transform(com.yahoo.searchlib.rankingexpression.rule.ExpressionNode node, RankProfileTransformContext context)

Methods inherited from class com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer

transform, transformChildren

Methods inherited from class java.lang.Object

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

Constructor Detail

XgboostFeatureConverter

public XgboostFeatureConverter()

Method Detail

transform

public com.yahoo.searchlib.rankingexpression.rule.ExpressionNode transform(com.yahoo.searchlib.rankingexpression.rule.ExpressionNode node,
                                                                           RankProfileTransformContext context)

Specified by:

transform in class com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer<RankProfileTransformContext>