com.technia.tvc.core.util

Class TreeNode

java.lang.Object

com.technia.tvc.core.util.TreeNode

public class TreeNode
extends java.lang.Object

Generic object to represent trees, ie. hierarcical relations.

Constructor Summary

Constructors

Constructor and Description
TreeNode()
TreeNode(java.lang.Object o)

Method Summary

Modifier and Type	Method and Description
void	add(TreeNode o) Adds child node to this node.
java.lang.Object	get() Gets value of this node.
TreeNode	get(int i) Returns children i of this node.
java.util.List<TreeNode>	getChildren()
int	getLevel()
TreeNode	getParent() Returns parent of this node, if one exists.
boolean	hasChild()
boolean	isLastChild()
boolean	isRoot()
java.util.Iterator<TreeNode>	iterator() Returns iterator that goes through this tree in the following way: First this node is given.
void	set(java.lang.Object o) Sets value of this node.
int	size() Gets amount of children in this node.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeNode

public TreeNode()

TreeNode

public TreeNode(java.lang.Object o)

Method Detail

getParent

public TreeNode getParent()

Returns parent of this node, if one exists.

Returns:

TreeNode parent or null if no parent.

isRoot

public boolean isRoot()

add

public void add(TreeNode o)

Adds child node to this node.

Parameters:

o - TreeNode o is added as child to this node.

hasChild

public boolean hasChild()

getChildren

public java.util.List<TreeNode> getChildren()

isLastChild

public boolean isLastChild()

size

public int size()

Gets amount of children in this node.

Returns:

amount of children in this node.

get

public TreeNode get(int i)

Returns children i of this node.

Returns:

children i in this node.

set

public void set(java.lang.Object o)

Sets value of this node.

Parameters:

o - Value of this node is set to o.

get

public java.lang.Object get()

Gets value of this node.

Returns:

value of this node.

iterator

public java.util.Iterator<TreeNode> iterator()

Returns iterator that goes through this tree in the following way: First this node is given. Then first child of this node. Then first child of that node. And so on. Example: Node1 has children Node2 and Node4. Node2 has child Node3. Iterator goes thru these nodes: Node1, Node2, Node3, Node4.

Returns:

iterator that goes through this hierarchy and returns TreeNodes

getLevel

public int getLevel()