ISignalListening

Interface for listening to signals that are available via the signal regsitry. More...

Inheritance diagram for ISignalListening:

Classes
class	ISignalListener
	Callback interface for signal value updates. More...
class	ISignalsListener
	Callback interface that informs about added and/or removed signals. More...

Public Member Functions
	ADTF_IID (ISignalListening, "signal_listening.ant.services.adtf.iid")
	Interface ID for the interface.
virtual tResult	RegisterSignalsListener (ISignalsListener &oListener)=0
	Registers a new listener for added and removed signals. More...
virtual tResult	UnregisterSignalsListener (ISignalsListener &oListener)=0
	Unregisters a listener for added and removed signals. More...
virtual tResult	RequestSignalUpdates (ISignalRegistry::tSignalID nSignalID, ISignalListener &oListener)=0
	Requests updates for a given signal. More...
virtual tResult	CancelSignalUpdates (ISignalRegistry::tSignalID nSignalID, ISignalListener &oListener)=0
	Cancels a request for signal updates. More...
Public Member Functions inherited from IObject
	ADTF_IID (IObject, "object.ant.ucom.adtf.iid")
	Marks the IObject to be castable with the ucom_cast() More...

Protected Member Functions
	~ISignalListening ()=default
	Protected destructor --> Use implemented Destroy() instead of delete!
Protected Member Functions inherited from IObject
	~IObject ()=default
	Protected destructor --> Use implemented Destroy() instead of delete!

Detailed Description

Interface for listening to signals that are available via the signal regsitry.

Definition at line 27 of file signal_listening_intf.h.

Member Function Documentation

CancelSignalUpdates()

virtual tResult CancelSignalUpdates ( ISignalRegistry::tSignalID  nSignalID, ISignalListener &  oListener  )

pure virtual

Cancels a request for signal updates.

Parameters

[in]	nSignalID	The id of the signal.
[in]	oListener	The listener.

Returns

Standard result.

RegisterSignalsListener()

virtual tResult RegisterSignalsListener ( ISignalsListener &  oListener )

pure virtual

Registers a new listener for added and removed signals.

This will call ISignalsListener::SignalAdded for each signal currently registered.

Parameters

[in]

oListener

The new listener.

Returns

Standard result.

RequestSignalUpdates()

virtual tResult RequestSignalUpdates ( ISignalRegistry::tSignalID  nSignalID, ISignalListener &  oListener  )

pure virtual

Requests updates for a given signal.

Parameters

[in]	nSignalID	The id of the signal
[in]	oListener	The listener whose ISignalListener::SignalUpdated method will be called.

Returns

Standard result.

UnregisterSignalsListener()

virtual tResult UnregisterSignalsListener ( ISignalsListener &  oListener )

pure virtual

Unregisters a listener for added and removed signals.

Parameters

[in]

oListener

The listener.

Returns

Standard result.