DisplayService (Location Stack v0.8 API Specification)

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uwcse.location.client
Class DisplayService

java.lang.Object
  |
  +--com.intel.research.rain.Service
        |
        +--uwcse.location.LocationService
              |
              +--uwcse.location.FusionClientService
                    |
                    +--uwcse.location.client.DisplayService

All Implemented Interfaces:: MessageHandler

public class DisplayService
extends FusionClientService

A service for displaying location readings.

Author:: Matthai Philipose and Jeffrey Hightower

Nested Class Summary

static class DisplayService.Args
          A class to contain the command line argument values.

Nested classes inherited from class uwcse.location.LocationService

LocationService.RediscoverServices

Field Summary

Fields inherited from class uwcse.location.FusionClientService

FUSION_DISCOVERY_QUERY, m_fusionServiceIDSet

Fields inherited from class uwcse.location.LocationService

CONFIG_FILENAME, MESSAGE_ELEMENT, MESSAGE_EXTENSION, RPC_ELEMENT, RPC_EXCEPTION_ELEMENT, RPC_EXTENSION, RPC_RESULT_ELEMENT

Constructor Summary

DisplayService(Collection requestedNames, boolean shouldIllustrateSensingArg, ServiceID fusionServiceID)
          Create a location display service with the given properties using the explicitly specified fusion service (bypasses discovery).

Method Summary

static void main(String[] argv)


protected static void printUsageAndExit()
          Show the program argument usage and then exit.

protected void processLocationMsg(ServiceID from, LocationMsg@SubscriberLocationReportMsg report)
          Handle a location report msg.

protected void withdraw()
          Overridden to stop all timer tasks and cancel all subscriptions.

Methods inherited from class uwcse.location.FusionClientService

callFusionServiceRpc, getFusionServiceIDSet

Methods inherited from class uwcse.location.LocationService

addObject, callLocationRpc, correctedTimeMillis, getObject, getSysclockError, handleTerminalCommand, multicastLocationMsg, multicastLocationMsgs, processLocationMsg, processLocationRpc, runTerminalCommandLoop, sendLocationMsg, sendLocationMsgs, setDescription

Methods inherited from class com.intel.research.rain.Service

getDaemon, getDispatcher, getServiceID, process, receive, setDaemon

Methods inherited from class java.lang.Object

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

Constructor Detail

DisplayService

public DisplayService(Collection requestedNames,
                      boolean shouldIllustrateSensingArg,
                      ServiceID fusionServiceID)
               throws RainException,
                      LocationException

Create a location display service with the given properties using the explicitly specified fusion service (bypasses discovery).

Throws:: RainException; LocationException

Method Detail

processLocationMsg

protected void processLocationMsg(ServiceID from,
                                  LocationMsg@SubscriberLocationReportMsg report)

Handle a location report msg.

Overrides:: processLocationMsg in class LocationService

withdraw

protected void withdraw()

Overridden to stop all timer tasks and cancel all subscriptions.

Overrides:: withdraw in class FusionClientService

printUsageAndExit

protected static void printUsageAndExit()

Show the program argument usage and then exit.

main

public static void main(String[] argv)