FitObserver< T > Class Template Reference

Collaboration diagram for FitObserver< T >:

Classes
class	ObserverData

Public Types
using	observer_t = std::function< void(const T &)>

Public Member Functions
	FitObserver ()
void	addObserver (int every_nth, observer_t observer)
void	notify (const T &data)
void	notify_all (const T &data)

Private Member Functions
bool	need_notify (int every_nth)

Private Attributes
std::vector< ObserverData >	m_observers
int	m_notify_count

Detailed Description

template<class T>
class FitObserver< T >

Contains collection of observers and call them at specified intervals.

Each observer will be called at first iteration and every-nth iterations.

Definition at line 25 of file FitObserver.h.

Member Typedef Documentation

observer_t

template<class T >

using FitObserver< T >::observer_t = std::function<void(const T&)>

Definition at line 28 of file FitObserver.h.

Constructor & Destructor Documentation

FitObserver()

template<class T >

FitObserver< T >::FitObserver

Definition at line 61 of file FitObserver.h.

: m_notify_count(0) {}

Member Function Documentation

addObserver()

template<class T >

void FitObserver< T >::addObserver	(	int	every_nth,
		typename FitObserver< T >::observer_t	observer
	)

Adds observer to the list.

Parameters

every_nth	An observer function will be called every_nth iterations.
observer	Observer function to be called.

Definition at line 64 of file FitObserver.h.

{
    m_observers.push_back(ObserverData(every_nth, observer));
}

Referenced by FitStatus::addObserver().

notify()

template<class T >

void FitObserver< T >::notify

(

const T &

data

)

Notifies all observers at their personally specified intervals.

Parameters

data	The data which will be passed to the observer.

Definition at line 69 of file FitObserver.h.

{
    for (const auto& observer : m_observers) {
        if (need_notify(observer.m_every_nth))
            observer.m_observer(data);
    }
 
    m_notify_count++;
}

Referenced by FitStatus::update().

notify_all()

template<class T >

void FitObserver< T >::notify_all

(

const T &

data

)

Definition at line 79 of file FitObserver.h.

{
    for (const auto& observer : m_observers)
        observer.m_observer(data);
 
    m_notify_count++;
}

Referenced by FitStatus::finalize().

need_notify()

template<class T >

bool FitObserver< T >::need_notify ( int  every_nth )

private

Definition at line 87 of file FitObserver.h.

{
    return m_notify_count == 0 || m_notify_count % every_nth == 0;
}

Member Data Documentation

m_observers

template<class T >

std::vector<ObserverData> FitObserver< T >::m_observers

private

Definition at line 57 of file FitObserver.h.

m_notify_count

template<class T >

int FitObserver< T >::m_notify_count

private

Definition at line 58 of file FitObserver.h.

---

The documentation for this class was generated from the following file:

• /home/www/ba/Core/Fitting/FitObserver.h