Observable Class Reference

Object that notifies its changes to a set of observers. More...

#include <ql/patterns/observable.hpp>

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Public Member Functions
	Observable ()
	Observable (const Observable &)
Observable &	operator= (const Observable &)
	Observable (Observable &&)=delete
Observable &	operator= (Observable &&)=delete
virtual	~Observable ()=default
void	notifyObservers ()

Private Types
typedef std::set< Observer * >	set_type
typedef set_type::iterator	iterator

Private Member Functions
std::pair< iterator, bool >	registerObserver (Observer *)
Size	unregisterObserver (Observer *)

Private Attributes
set_type	observers_

Friends
class	Observer
class	ObservableSettings

Detailed Description

Object that notifies its changes to a set of observers.

Definition at line 62 of file observable.hpp.

Member Typedef Documentation

set_type

typedef std::set<Observer*> set_type

private

Definition at line 79 of file observable.hpp.

iterator

typedef set_type::iterator iterator

private

Definition at line 80 of file observable.hpp.

Constructor & Destructor Documentation

Observable() [1/3]

Observable ( )

default

Observable() [2/3]

Observable

(

const Observable &

)

Definition at line 173 of file observable.hpp.

Observable() [3/3]

Observable ( Observable &&  )

delete

~Observable()

virtual ~Observable ( )

virtualdefault

Member Function Documentation

operator=() [1/2]

Observable & operator=

(

const Observable &

o

)

Warning:

notification is sent before the copy constructor has a chance of actually change the data members. Therefore, observers whose update() method tries to use their observables will not see the updated values. It is suggested that the update() method just raise a flag in order to trigger a later recalculation.

Definition at line 186 of file observable.hpp.

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operator=() [2/2]

Observable & operator= ( Observable &&  )

delete

notifyObservers()

void notifyObservers

(

)

This method should be called at the end of non-const methods or when the programmer desires to notify any changes.

Definition at line 56 of file observable.cpp.

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registerObserver()

std::pair< Observable::iterator, bool > registerObserver ( Observer *  o )

private

Definition at line 195 of file observable.hpp.

unregisterObserver()

Size unregisterObserver ( Observer *  o )

private

Definition at line 199 of file observable.hpp.

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Friends And Related Function Documentation

Observer

friend class Observer

friend

Definition at line 63 of file observable.hpp.

ObservableSettings

friend class ObservableSettings

friend

Definition at line 64 of file observable.hpp.

Member Data Documentation

observers_

set_type observers_

private

Definition at line 83 of file observable.hpp.