edu.berkeley.io.context.home
Class LightWidget

java.lang.Object
  context.arch.BaseObject
      context.arch.widget.Widget
          edu.berkeley.io.context.home.LightWidget

All Implemented Interfaces:

CommunicationsHandler, MessageHandler

public class LightWidget

extends Widget

Author:

newbergr

Field Summary

static java.lang.String	INTENSITY
static java.lang.String	SET_INTENSITY
static java.lang.String	SET_INTENSITY_SERVICE

Fields inherited from class context.arch.widget.Widget

attributes, attributeTypes, callbacks, CLASS, constantAttributes, constantAttributesTypes, CurrentOffset, DEBUG, DEFAULT_PORT, PUT_DATA, PUT_DATA_REPLY, QUERY, QUERY_ATTRIBUTES, QUERY_ATTRIBUTES_REPLY, QUERY_CALLBACKS, QUERY_CALLBACKS_REPLY, QUERY_CONSTANT_ATTRIBUTES, QUERY_CONSTANT_ATTRIBUTES_REPLY, QUERY_REPLY, QUERY_SERVICES, QUERY_SERVICES_REPLY, QUERY_VERSION, QUERY_VERSION_REPLY, services, SPACER, storage, subscribers, TIMESTAMP, UPDATE, UPDATE_AND_QUERY, UPDATE_AND_QUERY_REPLY, VERSION, VERSION_NUMBER, WIDGET_TYPE

Fields inherited from class context.arch.BaseObject

BASEOBJECT_TYPE, communications, DISABLE_PORT, discoverer, EXIT_OK, gFrame, handlers, ID, parser, PING, PING_REPLY, QUERY_DESCRIPTION, QUERY_DESCRIPTION_REPLY, serviceHandlers

Constructor Summary

LightWidget(java.lang.String location, int port, boolean storageFlag)

LightWidget(java.lang.String location, int port, java.lang.String id, boolean storageFlag)

Method Summary

protected Attributes	initAttributes() Sets the attributes for the widget
protected Callbacks	initCallbacks() This method implements the abstract method Widget.setCallbacks().
protected Attributes	initConstantAttributes() Sets the constant attributes for the widget
protected Services	initServices() This method implements the abstract method Widget.setServices().
protected Attributes	queryGenerator() This method returns an empty AttributeNameValues object.
void	setIntensity(float intensity)
void	update()

Methods inherited from class context.arch.widget.Widget

addSubscriber, canHandle, canHandle, executeService, getAttributeType, getCurrentTime, getNewOffset, getNewOffsetNoDelay, getSubscribersDescription, getType, getUserDescription, getWidgetDescription, handleIndependentReply, isAttribute, isCallback, notify, processCallbackReply, putData, queryAttributes, queryCallbacks, queryConstantAttributes, queryServices, queryWidget, removeSubscriber, retrieveData, runUserMethod, runWidgetMethod, sendToSubscribers, setAttribute, setAttributes, setCallbacks, setConstantAttributes, setId, setNonConstantAttributes, setServices, setSubscribers, store, store, updateWidgetInformation

Methods inherited from class context.arch.BaseObject

activateDisplay, askInterpreter, deactivateDisplay, debugprintln, decodeData, discovererQuery, discovererQuery, discovererRegistration, discovererRegistration, discovererSendSubscription, discovererSubscribe, discovererSubscriptionNotification, discovererUnregistration, discovererUpdate, encodeData, executeAsynchronousWidgetService, executeSynchronousWidgetService, findDiscoverer, findDiscoverer, findDiscoverer, getComponentDescription, getDescription, getHostAddress, getHostName, getId, getId, getLease, getListOfHandlers, getLocationAddress, getPort, getVersion, getVersion, getWidgetAttributes, getWidgetCallbacks, getWidgetConstantAttributes, getWidgetServices, independentUserRequest, leaseEndNotified, pingComponent, pingComponent, pollWidget, println, putDataInWidget, queryVersion, quit, retrieveDataFrom, retrieveDataFrom, returnPing, runComponentMethod, runMethod, serviceResult, setAllDebug, setDiscoverer, setDisplay, setDisplay, setDisplayName, setDisplayTitle, setLease, setLocationAddress, setVersion, subscribeTo, unsubscribeFrom, updateAndPollWidget, userCallback, userRequest, userRequest, userRequest, userRequest

Methods inherited from class java.lang.Object

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

Field Detail

INTENSITY

public static final java.lang.String INTENSITY

See Also:

Constant Field Values

SET_INTENSITY

public static final java.lang.String SET_INTENSITY

See Also:

Constant Field Values

SET_INTENSITY_SERVICE

public static final java.lang.String SET_INTENSITY_SERVICE

See Also:

Constant Field Values

Constructor Detail

LightWidget

public LightWidget(java.lang.String location,
                   int port,
                   boolean storageFlag)

LightWidget

public LightWidget(java.lang.String location,
                   int port,
                   java.lang.String id,
                   boolean storageFlag)

Method Detail

setIntensity

public void setIntensity(float intensity)

update

public void update()

initAttributes

protected Attributes initAttributes()

Description copied from class: Widget

Sets the attributes for the widget

Specified by:

initAttributes in class Widget

initConstantAttributes

protected Attributes initConstantAttributes()

Description copied from class: Widget

Sets the constant attributes for the widget

Specified by:

initConstantAttributes in class Widget

See Also:

context.arch.widget.Widget#setConstantAttributes()

initCallbacks

protected Callbacks initCallbacks()

This method implements the abstract method Widget.setCallbacks(). It defines the callbacks for the widget as: UPDATE with the attributes TIMESTAMP, TEMPERATURE, UNITS, LOCATION

Specified by:

initCallbacks in class Widget

Returns:

the Callbacks used by this widget

initServices

protected Services initServices()

This method implements the abstract method Widget.setServices(). It currently has no services and returns an empty Services object.

Specified by:

initServices in class Widget

Returns:

the Services provided by this widget

queryGenerator

protected Attributes queryGenerator()

This method returns an empty AttributeNameValues object. The temperature sensor can not be polled.

Specified by:

queryGenerator in class Widget

Returns:

empty AttributeNameValues