org.apache.hadoop.net
Class NodeBase

java.lang.Object
  org.apache.hadoop.net.NodeBase

All Implemented Interfaces:

Node

public class NodeBase
extends Object
implements Node

A base class that implements interface Node

Field Summary

protected int	level
protected String	location
protected String	name
protected Node	parent
static char	PATH_SEPARATOR
static String	PATH_SEPARATOR_STR
static String	ROOT

Constructor Summary

NodeBase()
Default constructor

NodeBase(String path)
Construct a node from its path

NodeBase(String name, String location)
Construct a node from its name and its location

NodeBase(String name, String location, Node parent, int level)
Construct a node from its name and its location

Method Summary

int	getLevel() Return this node's level in the tree.
String	getName() Return this node's name
String	getNetworkLocation() Return this node's network location
Node	getParent() Return this node's parent
static String	getPath(Node node) Return this node's path
static String	normalize(String path) Normalize a path
void	setLevel(int level) Set this node's level in the tree
void	setNetworkLocation(String location) Set this node's network location
void	setParent(Node parent) Set this node's parent
String	toString() Return this node's string representation

Methods inherited from class java.lang.Object

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

Field Detail

PATH_SEPARATOR

public static final char PATH_SEPARATOR

See Also:

Constant Field Values

PATH_SEPARATOR_STR

public static final String PATH_SEPARATOR_STR

See Also:

Constant Field Values

ROOT

public static final String ROOT

See Also:

Constant Field Values

name

protected String name

location

protected String location

level

protected int level

parent

protected Node parent

Constructor Detail

NodeBase

public NodeBase()

Default constructor

NodeBase

public NodeBase(String path)

Construct a node from its path

Parameters:

path - a concatenation of this node's location, the path seperator, and its name

NodeBase

public NodeBase(String name,
                String location)

Construct a node from its name and its location

Parameters:

name - this node's name

location - this node's location

NodeBase

public NodeBase(String name,
                String location,
                Node parent,
                int level)

Construct a node from its name and its location

Parameters:

name - this node's name

location - this node's location

parent - this node's parent node

level - this node's level in the tree

Method Detail

getName

public String getName()

Return this node's name

Specified by:

getName in interface Node

getNetworkLocation

public String getNetworkLocation()

Return this node's network location

Specified by:

getNetworkLocation in interface Node

setNetworkLocation

public void setNetworkLocation(String location)

Set this node's network location

Specified by:

setNetworkLocation in interface Node

getPath

public static String getPath(Node node)

Return this node's path

toString

public String toString()

Return this node's string representation

Overrides:

toString in class Object

normalize

public static String normalize(String path)

Normalize a path

getParent

public Node getParent()

Return this node's parent

Specified by:

getParent in interface Node

setParent

public void setParent(Node parent)

Set this node's parent

Specified by:

setParent in interface Node

getLevel

public int getLevel()

Return this node's level in the tree. E.g. the root of a tree returns 0 and its children return 1

Specified by:

getLevel in interface Node

setLevel

public void setLevel(int level)

Set this node's level in the tree

Specified by:

setLevel in interface Node