gps.network
Class Connection

java.lang.Object
  gps.network.Connection

Direct Known Subclasses:

BTConnection

public class Connection
extends java.lang.Object

high level directed connection between nodes

Version:

1.2, 6/20/2005

Author:

Weishuai Yang

Constructor Summary

Connection(Agent a, Agent b)
constructs a connection between agents

Connection(Node a, Node b)
constructs a connection between nodes

Method Summary

void	adjustBandwidth(double adj) adjust bandwidth for provided amount
Link	findBottleNeck(boolean forward) finds bottle neck along links
static java.util.ArrayList	getAllConnections() get all the connections in the system, class method
double	getBandwidth() gets bandwidth allocated for this connection
double	getBandwidthFrom(Node n) gets one way bandwidth
boolean	isActive() get active status
static void	printConnections() print all connections in system, just for debug purpose
void	relaxBandwidthAlongTheWay()
void	setActive() make connection active
void	setBandwidthFrom(Node n, double b) sets one way bandwidth
void	setInActive() makes connection inactive
void	setUp() setup this connection along links
void	tearDown() tear down the connection
java.lang.String	toString() gets string description

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Connection

public Connection(Agent a,
                  Agent b)

constructs a connection between agents

Parameters:

a - source agent

b - destination agent

Connection

public Connection(Node a,
                  Node b)

constructs a connection between nodes

Parameters:

a - source node

b - destination node

Method Detail

getAllConnections

public static java.util.ArrayList getAllConnections()

get all the connections in the system, class method

Returns:

connection list

printConnections

public static void printConnections()

print all connections in system, just for debug purpose

setUp

public void setUp()

setup this connection along links

setActive

public void setActive()

make connection active

isActive

public boolean isActive()

get active status

Returns:

true if active, otherwise false

findBottleNeck

public Link findBottleNeck(boolean forward)

finds bottle neck along links

Parameters:

forward - true means search forward, otherwise backward

getBandwidth

public double getBandwidth()

gets bandwidth allocated for this connection

Returns:

allocated bandwidth

getBandwidthFrom

public double getBandwidthFrom(Node n)

gets one way bandwidth

Parameters:

n - source

Returns:

bandwidth from source

setBandwidthFrom

public void setBandwidthFrom(Node n,
                             double b)

sets one way bandwidth

Parameters:

n - source

b - new bandwidth value

setInActive

public void setInActive()

makes connection inactive

relaxBandwidthAlongTheWay

public void relaxBandwidthAlongTheWay()

tearDown

public void tearDown()

tear down the connection

adjustBandwidth

public void adjustBandwidth(double adj)

adjust bandwidth for provided amount

Parameters:

adj - adjust amount

toString

public java.lang.String toString()

gets string description

Overrides:

toString in class java.lang.Object

Returns:

string description