siena.xml.xpath
Class BinaryNode

java.lang.Object
  siena.xml.xpath.BinaryNode

public class BinaryNode
extends java.lang.Object

This object represents a node in a Binary Tree. It has two children, left and right, and space to store a single user object.

Constructor Summary

BinaryNode()
Constructor

Method Summary

java.lang.Object	getData() Return the user data
BinaryNode	getLeftChild() Returns the left child of the node
BinaryNode	getRightChild() Returns the right child of the node
boolean	isLeaf() Returns if this node is a leaf node in the tree.
void	setData(java.lang.Object newData) Sets the user data
void	setLeaf() Sets that this node is a leaf node.
void	setLeftChild(BinaryNode node) Sets the left child of this node
void	setRightChild(BinaryNode node) Sets the right child of the node

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryNode

public BinaryNode()

Constructor

Method Detail

setLeftChild

public void setLeftChild(BinaryNode node)

Sets the left child of this node

Parameters:

node - Node to be set as the left child.

setRightChild

public void setRightChild(BinaryNode node)

Sets the right child of the node

Parameters:

node - Node to be set as the right child.

setData

public void setData(java.lang.Object newData)

Sets the user data

Parameters:

newData - User data

getLeftChild

public BinaryNode getLeftChild()

Returns the left child of the node

Returns:

BinaryNode object that is the left child of this node.

getRightChild

public BinaryNode getRightChild()

Returns the right child of the node

Returns:

BinaryNode object that is the right child of this node.

getData

public java.lang.Object getData()

Return the user data

Returns:

Object that was set by the previous call to setData.

setLeaf

public void setLeaf()

Sets that this node is a leaf node.

isLeaf

public boolean isLeaf()

Returns if this node is a leaf node in the tree.

Returns:

Returns true if this node is a leaf.