applications

Class DangerApplication

java.lang.Object

core.Application

applications.DangerApplication

public class DangerApplication
extends Application

Danger application to warn other hosts of a danger and to react when receiving a warning message.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	APP_ID Application ID
static java.lang.String	DANGER_KEY_MESSAGE Danger Key Message
static java.lang.String	KNOWN_ACCIDENTS_KEY_MESSAGE Known Accidents Key Message
static java.lang.String	KNOWN_LOCATIONS_KEY_MESSAGE Known Location Key Message
static java.lang.String	MESSAGE_SIZE Message size
static java.lang.String	SEND_INTERVAL Message sending interval

Fields inherited from class core.Application

appID

Constructor Summary

Constructors

Constructor and Description
DangerApplication(DangerApplication a) Copy-constructor
DangerApplication(Settings s) Creates a new danger application with the given settings.

Method Summary

Methods

Modifier and Type	Method and Description
int	getMessageSize()
static int	getNrofMessages()
double	getSendInterval()
Message	handle(Message msg, DTNHost host) Handles an incoming message.
Application	replicate()
void	update(DTNHost host) Creates warning message for other hosts in range

Methods inherited from class core.Application

getAppID, getAppListeners, sendEventToListeners, setAppID, setAppListeners

Methods inherited from class java.lang.Object

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

Field Detail

SEND_INTERVAL

public static final java.lang.String SEND_INTERVAL

Message sending interval

See Also:

Constant Field Values

MESSAGE_SIZE

public static final java.lang.String MESSAGE_SIZE

Message size

See Also:

Constant Field Values

APP_ID

public static final java.lang.String APP_ID

Application ID

See Also:

Constant Field Values

DANGER_KEY_MESSAGE

public static final java.lang.String DANGER_KEY_MESSAGE

Danger Key Message

See Also:

Constant Field Values

KNOWN_LOCATIONS_KEY_MESSAGE

public static final java.lang.String KNOWN_LOCATIONS_KEY_MESSAGE

Known Location Key Message

See Also:

Constant Field Values

KNOWN_ACCIDENTS_KEY_MESSAGE

public static final java.lang.String KNOWN_ACCIDENTS_KEY_MESSAGE

Known Accidents Key Message

See Also:

Constant Field Values

Constructor Detail

DangerApplication

public DangerApplication(Settings s)

Creates a new danger application with the given settings.

Parameters:

s - Settings to use for initializing the application.

DangerApplication

public DangerApplication(DangerApplication a)

Copy-constructor

Parameters:

a -

Method Detail

handle

public Message handle(Message msg,
             DTNHost host)

Handles an incoming message. If the message is a warning message sets the host warned boolean.

Specified by:

handle in class Application

Parameters:

msg - message received by the router

host - host to which the application instance is attached

Returns:

the (possibly modified) message to forward or null if the application wants the router to stop forwarding the message.

replicate

public Application replicate()

Specified by:

replicate in class Application

update

public void update(DTNHost host)

Creates warning message for other hosts in range

Specified by:

update in class Application

Parameters:

host - to which the application instance is attached

getSendInterval

public double getSendInterval()

Returns:

message sending interval between two connected nodes

getMessageSize

public int getMessageSize()

Returns:

message size

getNrofMessages

public static int getNrofMessages()