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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchlib.gbdt;
import org.w3c.dom.Node;
import java.util.Optional;
/**
* @author Simon Thoresen Hult
*/
public class ResponseNode extends TreeNode {
private final double value;
public ResponseNode(double value, Optional<Integer> samples) {
super(samples);
this.value = value;
}
public double value() {
return value;
}
@Override
public String toRankingExpression() {
return String.valueOf(value);
}
public static ResponseNode fromDom(Node node) {
return new ResponseNode(Double.valueOf(XmlHelper.getAttributeText(node, "value")),
toInteger(XmlHelper.getOptionalAttributeText(node, "nSamples")));
}
}
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