Package com.yahoo.searchlib.gbdt

Class CategoryFeatureNode

java.lang.Object

com.yahoo.searchlib.gbdt.TreeNode

com.yahoo.searchlib.gbdt.FeatureNode

com.yahoo.searchlib.gbdt.CategoryFeatureNode

public final class CategoryFeatureNode
extends FeatureNode

A GBDT node representing a set inclusion test: feature IN [value-list] where values can be strings or numbers.

Author:

bratseth

Constructor Summary

Constructors

Constructor	Description
CategoryFeatureNode(String feature, Value[] values, Optional<Integer> samples, TreeNode left, TreeNode right)

Method Summary

Modifier and Type	Method	Description
protected String	rankingExpressionCondition()
Value[]	values()	Returns a copy of the array of values in this

Methods inherited from class com.yahoo.searchlib.gbdt.FeatureNode

feature, fromDom, left, right, toRankingExpression

Methods inherited from class com.yahoo.searchlib.gbdt.TreeNode

samples

Methods inherited from class java.lang.Object

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

Constructor Detail

CategoryFeatureNode

public CategoryFeatureNode(String feature,
                           Value[] values,
                           Optional<Integer> samples,
                           TreeNode left,
                           TreeNode right)

Method Detail

values

public Value[] values()

Returns a copy of the array of values in this

rankingExpressionCondition

protected String rankingExpressionCondition()

Specified by:

rankingExpressionCondition in class FeatureNode