Node

Object
- Node<CONTENT,CHILD>

Type Parameters:

CONTENT - half of the type of the objects stored in this node, which are IPair<CONTENT,CONTENT>

CHILD - the type of the children; it is is ignored if there are no children

Direct Known Subclasses:

InvNode, PptNode, RootNode
```
public abstract class Node<CONTENT extends @Nullable Object,CHILD>
extends Object
```
All nodes must subclass this class.

Constructor Summary

Constructors
Modifier Constructor Description

protected Node(CONTENT left, CONTENT right)

protected Node(IPair<CONTENT,CONTENT> userObject)
Creates a new Node.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract void`	`accept(Visitor v)`
`void`	`add(CHILD newChild)`
`Iterator<CHILD>`	`children()`
`CONTENT`	`getUserLeft()`	Returns the first element of the user object pair.
`IPair<CONTENT,CONTENT>`	`getUserObject()`	Returns the user object pair.
`CONTENT`	`getUserRight()`	Returns the second element of the user object pair.

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

Constructor Detail

Node
```
protected Node(IPair<CONTENT,CONTENT> userObject)
```
Creates a new Node.

Parameters:

userObject - the user object

Node

protected Node(CONTENT left,
               CONTENT right)

Method Detail
- add
```
public void add(CHILD newChild)
```
- children
```
public Iterator<CHILD> children()
```
- getUserObject
```
public IPair<CONTENT,CONTENT> getUserObject()
```
  Returns the user object pair.
  
  Returns:
  
  the user object pair
- getUserLeft
```
@Pure
public CONTENT getUserLeft()
```
  Returns the first element of the user object pair.
  
  Returns:
  
  the first element of the user object pair
- getUserRight
```
@Pure
public CONTENT getUserRight()
```
  Returns the second element of the user object pair.
  
  Returns:
  
  the second element of the user object pair
- accept
```
public abstract void accept(Visitor v)
```