TreeNode (searchlib 7.501.17 API)

java.lang.Object
- com.yahoo.searchlib.gbdt.TreeNode

Direct Known Subclasses:

FeatureNode, ResponseNode
```
public abstract class TreeNode
extends Object
```
Author:

bratseth

Constructor Summary

Constructors
Constructor Description

TreeNode(Optional<Integer> samples)

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`static TreeNode`	`fromDom(Node node)`
`Optional<Integer>`	`samples()`	Returns the number of samples in the training set that matches this node if this model does not contain this information (i.e if it is not an "ext" model).
`abstract String`	`toRankingExpression()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TreeNode
```
public TreeNode(Optional<Integer> samples)
```
- Method Detail
  - toRankingExpression
```
public abstract String toRankingExpression()
```
  - samples
```
public Optional<Integer> samples()
```
    Returns the number of samples in the training set that matches this node if this model does not contain this information (i.e if it is not an "ext" model).
  - fromDom
```
public static TreeNode fromDom(Node node)
```