javatools.datatypes

Class Tree<T>

java.lang.Object

javatools.datatypes.Tree<T>

All Implemented Interfaces:

java.lang.Iterable<T>, Visitable<Tree<T>>

public class Tree<T>
extends java.lang.Object
implements java.lang.Iterable<T>, Visitable<Tree<T>>

This class is part of the Java Tools (see http://mpii.de/yago-naga/javatools). It is licensed under the Creative Commons Attribution License (see http://creativecommons.org/licenses/by/3.0) by the YAGO-NAGA team (see http://mpii.de/yago-naga). The class represents the simple datatype of a Tree.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<Tree<T>>	children Holds the children
protected T	element Holds the node
protected Tree<T>	parent Points to the parent

Constructor Summary

Constructors

Constructor and Description
Tree() Constructs an empty tree with a null element
Tree(T element) Constructs a tree with a node element
Tree(T element, java.util.List<Tree<T>> children) Constructs a tree with a node element and children
Tree(Tree<T> parent, T element) Constructs a tree with a node element and a parent
Tree(Tree<T> parent, T element, java.util.List<Tree<T>> children) Constructs a tree with a node element and a parent

Method Summary

Modifier and Type	Method and Description
void	addChild(Tree<T> child) Adds a child
java.util.List<Tree<T>>	getChildren() Depth first search across the tree
T	getElement() Returns the element
Tree<T>	getParent() Returns the parent
java.util.Iterator<T>	iterator()
static void	main(java.lang.String[] args)
boolean	receive(Visitor<Tree<T>> visitor) Receives a visitor for a depth first traversal
void	setChildren(java.util.List<Tree<T>> children) Sets the children
void	setElement(T element) Sets the element
void	setParent(Tree<T> parent) Sets the parent
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

children

protected java.util.List<Tree<T>> children

Holds the children

element

protected T element

Holds the node

parent

protected Tree<T> parent

Points to the parent

Constructor Detail

Tree

public Tree()

Constructs an empty tree with a null element

Tree

public Tree(T element)

Constructs a tree with a node element

Tree

public Tree(Tree<T> parent,
            T element)

Constructs a tree with a node element and a parent

Tree

public Tree(T element,
            java.util.List<Tree<T>> children)

Constructs a tree with a node element and children

Tree

public Tree(Tree<T> parent,
            T element,
            java.util.List<Tree<T>> children)

Constructs a tree with a node element and a parent

Method Detail

getParent

public Tree<T> getParent()

Returns the parent

setParent

public void setParent(Tree<T> parent)

Sets the parent

getChildren

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

Depth first search across the tree

setChildren

public void setChildren(java.util.List<Tree<T>> children)

Sets the children

addChild

public void addChild(Tree<T> child)

Adds a child

getElement

public T getElement()

Returns the element

setElement

public void setElement(T element)

Sets the element

iterator

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

Specified by:

iterator in interface java.lang.Iterable<T>

receive

public boolean receive(Visitor<Tree<T>> visitor)
                throws java.lang.Exception

Receives a visitor for a depth first traversal

Specified by:

receive in interface Visitable<Tree<T>>

Throws:

java.lang.Exception

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

main

public static void main(java.lang.String[] args)