org.sunspotworld.demo.util
Class LocateService

java.lang.Object
  org.sunspotworld.demo.util.LocateService

public class LocateService
extends java.lang.Object

Helper class to handle locating a remote service.

Broadcasts a service request periodically and listens for a response. When found calls back to report the IEEE address where the service can be found.

Author:

Ron Goldman
Date: July 31, 2007

See Also:

LocateServiceListener

Constructor Summary

LocateService(LocateServiceListener listener, java.lang.String port, long checkInterval, byte requestCmd, byte replyCmd)
Creates a new instance of LocateService.

LocateService(LocateServiceListener listener, java.lang.String port, long checkInterval, byte requestCmd, byte replyCmd, int numHops)
Creates a new instance of LocateService.

Method Summary

void	setStatusLed(com.sun.spot.sensorboard.peripheral.ITriColorLED led) Specify an LED to use to display status of search.
void	start() Start searching for a service
void	stop() Stop searching for a service

Methods inherited from class java.lang.Object

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

Constructor Detail

LocateService

public LocateService(LocateServiceListener listener,
                     java.lang.String port,
                     long checkInterval,
                     byte requestCmd,
                     byte replyCmd)

Creates a new instance of LocateService.

Parameters:

listener - class to callback when the service is found

port - the port to broadcast & listen on

checkInterval - how long to wait between checking

requestCmd - the command requesting a connection with the service

replyCmd - the command the service replys with to indicate it is available

LocateService

public LocateService(LocateServiceListener listener,
                     java.lang.String port,
                     long checkInterval,
                     byte requestCmd,
                     byte replyCmd,
                     int numHops)

Creates a new instance of LocateService.

Parameters:

listener - class to callback when the service is found

port - the port to broadcast & listen on

checkInterval - how long to wait between checking

requestCmd - the command requesting a connection with the service

replyCmd - the command the service replys with to indicate it is available

numHops - the number of hops the broadcast command should traverse

Method Detail

setStatusLed

public void setStatusLed(com.sun.spot.sensorboard.peripheral.ITriColorLED led)

Specify an LED to use to display status of search.

Parameters:

led - the LED to use to show the search status

start

public void start()

Start searching for a service

stop

public void stop()

Stop searching for a service