org.expasy.jpl.commons.collection.tree
Class TreeNodeImpl<T>

java.lang.Object
  org.expasy.jpl.commons.collection.tree.TreeNodeImpl<T>

Type Parameters:

T - data type.

All Implemented Interfaces:

Serializable, TreeNode<T>, TreeView<T>

public final class TreeNodeImpl<T>
extends Object
implements TreeNode<T>

Naive tree node.

Version:

1.0

Author:

nikitin.

See Also:

Serialized Form

Method Summary

void	addChild(TreeNode<T> child) Add the given child to the node.
boolean	equals(Object o)
TreeNode<T>	getChildAt(int index)
List<TreeNode<T>>	getChildren()
T	getData()
Set<TreeNode<T>>	getLeaves()
Set<TreeNode<T>>	getNodes()
int	getNumberOfChildren()
TreeNode<T>	getParent()
int	hashCode()
boolean	isLeave()
boolean	isRoot()
static <T> TreeNodeImpl<T>	newNode(T data, TreeNode<T> parent)
static <T> TreeNodeImpl<T>	newRoot(T data)
void	setData(T data) Set the data to this node.
void	setParent(TreeNode<T> parent) Set the parent node.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

newRoot

public static <T> TreeNodeImpl<T> newRoot(T data)

newNode

public static <T> TreeNodeImpl<T> newNode(T data,
                                          TreeNode<T> parent)

getParent

public final TreeNode<T> getParent()

Specified by:

getParent in interface TreeView<T>

Returns:

the parent node.

setParent

public void setParent(TreeNode<T> parent)

Description copied from interface: TreeNode

Set the parent node.

Specified by:

setParent in interface TreeNode<T>

getChildren

public final List<TreeNode<T>> getChildren()

Specified by:

getChildren in interface TreeView<T>

Returns:

the direct children of the node.

getLeaves

public final Set<TreeNode<T>> getLeaves()

Specified by:

getLeaves in interface TreeView<T>

Returns:

the tree leaves.

getNodes

public final Set<TreeNode<T>> getNodes()

Specified by:

getNodes in interface TreeView<T>

Returns:

the tree nodes.

getNumberOfChildren

public final int getNumberOfChildren()

Specified by:

getNumberOfChildren in interface TreeView<T>

Returns:

the number of children of this node.

isRoot

public final boolean isRoot()

Specified by:

isRoot in interface TreeView<T>

Returns:

true if root node.

isLeave

public final boolean isLeave()

Specified by:

isLeave in interface TreeView<T>

Returns:

the parent node.

addChild

public void addChild(TreeNode<T> child)

Description copied from interface: TreeNode

Add the given child to the node.

Specified by:

addChild in interface TreeNode<T>

getChildAt

public final TreeNode<T> getChildAt(int index)
                             throws IndexOutOfBoundsException

Specified by:

getChildAt in interface TreeView<T>

Returns:

the child node at index.

Throws:

IndexOutOfBoundsException

getData

public final T getData()

Specified by:

getData in interface TreeView<T>

Returns:

the node data.

setData

public void setData(T data)

Description copied from interface: TreeNode

Set the data to this node.

Specified by:

setData in interface TreeNode<T>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object