org.richfaces.model
Class TreeNodeImpl

java.lang.Object
  org.richfaces.model.TreeNodeImpl

All Implemented Interfaces:

java.io.Serializable, TreeNode

public class TreeNodeImpl
extends java.lang.Object
implements TreeNode

Default TreeNode implementation based on LinkedHashMap to preserve elements ordering

Author:

Nick Belaevski - nbelaevski@exadel.com created 16.11.2006

See Also:

Serialized Form

Constructor Summary

TreeNodeImpl()

Method Summary

void	addChild(java.lang.Object identifier, TreeNode child) adds child to children collection
TreeNode	getChild(java.lang.Object identifier) find child by id
java.util.Iterator	getChildren() getter for children
java.lang.Object	getData() getter for node attached data
TreeNode	getParent() getter for parent TreeNode
boolean	isLeaf() Returns whether this node is leaf
void	removeChild(java.lang.Object identifier) removes child from children collection by child id
void	setData(java.lang.Object data) setter for node attached data
void	setParent(TreeNode parent) setter for parent TreeNode

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeNodeImpl

public TreeNodeImpl()

Method Detail

getData

public java.lang.Object getData()

Description copied from interface: TreeNode

getter for node attached data

Specified by:

getData in interface TreeNode

Returns:

node attached data

getChild

public TreeNode getChild(java.lang.Object identifier)

Description copied from interface: TreeNode

find child by id

Specified by:

getChild in interface TreeNode

Parameters:

identifier - identifier of the child to find

Returns:

designated TreeNode instance or null

addChild

public void addChild(java.lang.Object identifier,
                     TreeNode child)

Description copied from interface: TreeNode

adds child to children collection

Specified by:

addChild in interface TreeNode

Parameters:

identifier - child identifier

child - child

removeChild

public void removeChild(java.lang.Object identifier)

Description copied from interface: TreeNode

removes child from children collection by child id

Specified by:

removeChild in interface TreeNode

Parameters:

identifier - id of the child to remove

setData

public void setData(java.lang.Object data)

Description copied from interface: TreeNode

setter for node attached data

Specified by:

setData in interface TreeNode

Parameters:

data - data to set as attached node data

getParent

public TreeNode getParent()

Description copied from interface: TreeNode

getter for parent TreeNode

Specified by:

getParent in interface TreeNode

Returns:

parent TreeNode instance or null if this node is root

setParent

public void setParent(TreeNode parent)

Description copied from interface: TreeNode

setter for parent TreeNode

Specified by:

setParent in interface TreeNode

Parameters:

parent - TreeNode to set as parent

getChildren

public java.util.Iterator getChildren()

Description copied from interface: TreeNode

getter for children

Specified by:

getChildren in interface TreeNode

Returns:

Iterator of Map.Entry instances containing TreeNode as values and their identifiers as keys

isLeaf

public boolean isLeaf()

Description copied from interface: TreeNode

Returns whether this node is leaf

Specified by:

isLeaf in interface TreeNode

Returns:

true if this node is leaf else returns false