fawkes::InterfaceMediator Class Reference

#include <interface_mediator.h>

Inheritance diagram for fawkes::InterfaceMediator:


Public Member Functions
virtual	~InterfaceMediator ()
	Virtual destructor.
virtual bool	exists_writer (const Interface *interface) const =0
	Check if a writer exists for the given interface.
virtual unsigned int	num_readers (const Interface *interface) const =0
	Get number of readers.
virtual void	notify_of_data_change (const Interface *interface)=0
	Notify of data change.

Detailed Description

Interface mediator interface.

An interface mediator is used by interfaces to communicate events and to query status information which need interaction with the BlackBoard.

Author:: Tim Niemueller

Definition at line 36 of file interface_mediator.h.

Constructor & Destructor Documentation

virtual fawkes::InterfaceMediator::~InterfaceMediator ( ) [inline, virtual]

Virtual destructor.

Definition at line 40 of file interface_mediator.h.

Member Function Documentation

virtual bool fawkes::InterfaceMediator::exists_writer ( const Interface * interface ) const [pure virtual]

Check if a writer exists for the given interface.

Parameters:

interface

interface to check

Returns:: true, if there is any writer for the given interface, false otherwise

Implemented in fawkes::BlackBoardInterfaceManager, and fawkes::BlackBoardInterfaceProxy.

Referenced by fawkes::Interface::has_writer().

virtual void fawkes::InterfaceMediator::notify_of_data_change ( const Interface * interface ) [pure virtual]

Notify of data change.

Notify all subscribers of the given interface of a data change. This also influences logging and sending data over the network so it is mandatory to call this function! The interface base class write method does that for you.

Parameters:

interface

interface whose subscribers to notify