org.universAAL.support.utils.service.top
Class UtilSensorCallee

java.lang.Object
  org.universAAL.middleware.bus.member.BusMember
      org.universAAL.middleware.bus.member.Callee
          org.universAAL.middleware.service.ServiceCallee
              org.universAAL.support.utils.service.top.UtilSensorCallee

public abstract class UtilSensorCallee
extends ServiceCallee

This is an abstract class for those who want to use the typical services of an sensor (get status) over an ontological service. Classes extending this abstract class will be ServiceCallees which handle by default these 1 services. Those considering using UtilSensor could take advantage of this class if they want only to handle those 1 typical services profiles and no more.

Author:

alfiva

Field Summary

Fields inherited from class org.universAAL.middleware.bus.member.BusMember

busResourceURI, owner, theBus

Constructor Summary

UtilSensorCallee(ModuleContext context, String namespace, Sensor sensor)
Default constructor of the class.

Method Summary

abstract boolean	executeGet() When a GET STATUS service request is received, this method is called automatically.
ServiceResponse	handleCall(ServiceCall call) The actual service method of the ServiceCallee.

Methods inherited from class org.universAAL.middleware.service.ServiceCallee

addNewServiceProfiles, busDyingOut, communicationChannelBroken, getMyID, handleRequest, removeMatchingProfiles

Methods inherited from class org.universAAL.middleware.bus.member.BusMember

close, getType, getURI

Methods inherited from class java.lang.Object

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

Constructor Detail

UtilSensorCallee

public UtilSensorCallee(ModuleContext context,
                        String namespace,
                        Sensor sensor)
                 throws InvalidOntologyUtilException

Default constructor of the class. Takes the same parameters needed by a UtilSensor profile method, in addition to the ModuleContext.

BE CAREFUL: This will only work with sensors that have StatusValue as HAS_VALUE property. Others, like DimmerSensor, will throw an exception.

Parameters:

context - The Module Context of uAAL

namespace - The namespace of your server, ending with the character #

sensor - The ontology instance of the sensor you are controlling. The more properties it has set, the better.

Throws:

InvalidOntologyUtilException - when an sensor is passed that is does not have StatusValue as type restriction of its HAS_VALUE property.

Method Detail

handleCall

public ServiceResponse handleCall(ServiceCall call)

Description copied from class: ServiceCallee

The actual service method of the ServiceCallee. It is called by the bus whenever there is a call that need to be serviced by this ServiceCallee.

Specified by:

handleCall in class ServiceCallee

Parameters:

call - the call that needs to be serviced.

Returns:

the result of the call execution.

executeGet

public abstract boolean executeGet()

When a GET STATUS service request is received, this method is called automatically.

Returns:

The Boolean value representing the measured value property of the sensor.