org.openjdk.jmc.flightrecorder.rules.tree

Class TreeNode<T>

java.lang.Object

org.openjdk.jmc.flightrecorder.rules.tree.TreeNode<T>

Type Parameters:

T - the type of the payload

All Implemented Interfaces:

ITreeNode<T>

public class TreeNode<T>
extends java.lang.Object
implements ITreeNode<T>

A simple mutable tree node implementation, with a typed payload.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.List<ITreeNode<T>>	children
private T	item
private TreeNode<T>	parent

Constructor Summary

Constructors

Constructor and Description
TreeNode(T item) Create a new node.

Method Summary

Modifier and Type	Method and Description
void	accept(ITreeVisitor<T> visitor)
void	addChild(TreeNode<T> node) Add a child node.
void	detach() Detach this node from its parent.
java.util.List<ITreeNode<T>>	getChildren()
ITreeNode<T>	getParent()
T	getValue()
(package private) void	removeChild(TreeNode<T> node) Remove a child node.
(package private) void	setItem(T item) Set the node payload.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

parent

private TreeNode<T> parent

children

private java.util.List<ITreeNode<T>> children

item

private T item

Constructor Detail

TreeNode

public TreeNode(T item)

Create a new node.

Parameters:

item - node payload

Method Detail

getParent

public ITreeNode<T> getParent()

Specified by:

getParent in interface ITreeNode<T>

Returns:

the parent of the tree, or null if it is the root node

getChildren

public java.util.List<ITreeNode<T>> getChildren()

Specified by:

getChildren in interface ITreeNode<T>

Returns:

the children of the the node, or the empty list if there are no children

getValue

public T getValue()

Specified by:

getValue in interface ITreeNode<T>

Returns:

the payload of the tree node

accept

public void accept(ITreeVisitor<T> visitor)

Specified by:

accept in interface ITreeNode<T>

Parameters:

visitor - a tree node visitor

addChild

public void addChild(TreeNode<T> node)

Add a child node.

Parameters:

node - child node to add

removeChild

void removeChild(TreeNode<T> node)

Remove a child node.

Parameters:

node - child node to remove

setItem

void setItem(T item)

Set the node payload.

Parameters:

item - new node payload

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

detach

public void detach()

Detach this node from its parent.