WTreeNode (SystemDS 2.1.0 API)

```
public class WTreeNode
extends Object
```
A workload tree is a compact representation of the operations on a compressed matrix and derived intermediates, including the basic control structure and inlined functions as well as links to categories TODO separate classes for inner and leaf nodes?

Nested Classes
Modifier and Type	Class and Description
`static class`	`WTreeNode.WTNodeType`

Constructors
Constructor and Description
`WTreeNode(WTreeNode.WTNodeType type)`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addChild(WTreeNode node)`
`void`	`addCompressedOp(Hop hop)`
`String`	`explain(int level)`
`List<WTreeNode>`	`getChildNodes()`
`List<Hop>`	`getCompressedOps()`
`WTreeNode.WTNodeType`	`getType()`
`void`	`setLineNumbers(int begin, int end)`
`String`	`toString()`

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

public WTreeNode(WTreeNode.WTNodeType type)

public List<WTreeNode> getChildNodes()

public void setLineNumbers(int begin,
                           int end)

Class WTreeNode