MicroTAPAS.mobility
Class Node

java.lang.Object
  |
  +--MicroTAPAS.mobility.Node

All Implemented Interfaces:

java.io.Serializable

public class Node

extends java.lang.Object

implements java.io.Serializable

This class is a representation of a node in the MicroTAPAS system.

See Also:

Serialized Form

Field Summary

private java.util.Hashtable	actors Register of all registered actors at this node.
private CapabilitySet	caps The offered capabilities of this node.
GAI	dirGAI Address of current director.
private boolean	isConnected Variable to hold information about this node's connection status.
private static java.lang.String	LF LineFeed contstant.
static int	MA MobilityAgent node type variable.
GAI	maGAI Current MA - changes as the node is moved around.
static int	MM MobilityManager node type variable.
GAI	mmGAI Current MM - changes as the node is moved around.
java.lang.String	nodeID Uniquie ID of this node.
private int	type Type of terminal (MA or MM).
static int	UNDEFINED Undefined node type variable.

Constructor Summary

Node()
Constructor

Method Summary

boolean	actorMove(java.lang.String aID, GAI oldGAI, GAI newGAI) Method to delete an actor entry in the actor registry when an actor has moved to a different node.
RequestResult	addActor(RequestPars pRP) Adds an actor (really ActorPlugInReq) to to the actor register.
Item	getActorStatus() Status report of registered actors in this entity in Item hierarchy of information elements.
java.util.Vector	getAllActorGAI() Returns a vector of all registered actors GAI's.
CapabilitySet	getCaps() Returns the CapabilitySet of this node.
boolean	getConnected() Returns whether this node is connected or not.
int	getType()
private int	nodeType() Method to determine what kind of mobility node this node is.
RequestResult	removeActor(RequestPars pRP) Removes a previously added actor from the actor registry.
void	setConnected(boolean pIsConnected) Sets the connection status of this node.
Item	status() Status report of this entity in Item hierarchy of information elements.
void	terminalMove(java.lang.String oldNode, java.lang.String newNode) Updates this object whenever the terminal is moved from one node to another.
java.lang.String	toString() Overloaded toString mehtod.
void	updateCapabilities() Updates the node capabilities for this node by reading them from file.
private java.lang.String	vector2String(java.util.Vector v) Method to convert a vector of Strings into a comma-separated string.

Methods inherited from class java.lang.Object

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

Field Detail

LF

private static final java.lang.String LF

LineFeed contstant.

See Also:

Constant Field Values

UNDEFINED

public static final int UNDEFINED

Undefined node type variable.

See Also:

Constant Field Values

MM

public static final int MM

MobilityManager node type variable.

See Also:

Constant Field Values

MA

public static final int MA

MobilityAgent node type variable.

See Also:

Constant Field Values

type

private int type

Type of terminal (MA or MM).

nodeID

public java.lang.String nodeID

Uniquie ID of this node.

maGAI

public GAI maGAI

Current MA - changes as the node is moved around.

mmGAI

public GAI mmGAI

Current MM - changes as the node is moved around.

dirGAI

public GAI dirGAI

Address of current director.

caps

private CapabilitySet caps

The offered capabilities of this node.

actors

private java.util.Hashtable actors

Register of all registered actors at this node.

isConnected

private boolean isConnected

Variable to hold information about this node's connection status.

Constructor Detail

Node

public Node()

Constructor

Method Detail

setConnected

public void setConnected(boolean pIsConnected)

Sets the connection status of this node. This method is used by the MicroTAPAS.pingClint to set the connection status of the node.

Parameters:

pIsConnected - True if the node is connected, false otherwise.

getConnected

public boolean getConnected()

Returns whether this node is connected or not.

Returns:

True if the node is connected, false otherwise.

getCaps

public CapabilitySet getCaps()

Returns the CapabilitySet of this node.

Returns:

The node's capability set.

updateCapabilities

public void updateCapabilities()

Updates the node capabilities for this node by reading them from file.

terminalMove

public void terminalMove(java.lang.String oldNode,
                         java.lang.String newNode)

Updates this object whenever the terminal is moved from one node to another.

Parameters:

oldNode - The old node

newNode - The new node

addActor

public RequestResult addActor(RequestPars pRP)

Adds an actor (really ActorPlugInReq) to to the actor register.

Parameters:

pRP - TAPAS-style request parameters.

Returns:

TAPAS-style request result.

removeActor

public RequestResult removeActor(RequestPars pRP)

Removes a previously added actor from the actor registry.

Parameters:

pRP - TAPAS-style request parameters.

Returns:

TAPAS-style request result.

getAllActorGAI

public java.util.Vector getAllActorGAI()

Returns a vector of all registered actors GAI's.

Returns:

A vector containing the String representation GAI of all registered actors.

actorMove

public boolean actorMove(java.lang.String aID,
                         GAI oldGAI,
                         GAI newGAI)

Method to delete an actor entry in the actor registry when an actor has moved to a different node.

Parameters:

aID - The unique actor identificator.

oldGAI - The old GAI of the actor.

newGAI - The new GAI of the actor.

Returns:

Success indicator

nodeType

private int nodeType()

Method to determine what kind of mobility node this node is.

Returns:

The type of node: MMM, MM, MA or UNDEFINED

getType

public int getType()

toString

public java.lang.String toString()

Overloaded toString mehtod.

Overrides:

toString in class java.lang.Object

Returns:

A string representation of this object.

status

public Item status()

Status report of this entity in Item hierarchy of information elements.

Returns:

Hierarchy of Item information elements

getActorStatus

public Item getActorStatus()

Status report of registered actors in this entity in Item hierarchy of information elements.

Returns:

Hierarchy of Item information elements

vector2String

private java.lang.String vector2String(java.util.Vector v)

Method to convert a vector of Strings into a comma-separated string.

Parameters:

v - A vector containing String elements

Returns:

A comma-seperated String of the vector elements.