ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T >

Model Subject utility to define a Model Subject that notifies one or more observers. More...

Inheritance diagram for ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T >:

Public Types
typedef EVENT_CODE_T	event_code_type
	local definition of the event code type
typedef MODEL_SUBJECT_T	subject_type
	local definition of the subject type
typedef ModelObserverUtility< MODEL_SUBJECT_T, EVENT_CODE_T >	observer_type
	local definition of the observer type to notify

Public Member Functions
	ModelSubjectUtility ()=default
	CTOR.
	ModelSubjectUtility (const ModelSubjectUtility &)
	copy CTOR which removes the observers in case of!
ModelSubjectUtility &	operator= (const ModelSubjectUtility &)
	copy assignment operator which removes the observers in case of! More...
virtual	~ModelSubjectUtility ()=default
	DTOR.
void	attachObserver (observer_type *observer)
	adda a observer to notify. More...
void	detachObserver (observer_type *observer)
	remove a observer if in list. More...

Protected Member Functions
void	notifyChanged (event_code_type event_code, subject_type &changed_subject, const std::string &additional_info)
	helper utility function to notify the current observers More...

Private Attributes
std::vector< observer_type * >	_observers

Detailed Description

template<typename MODEL_SUBJECT_T, typename EVENT_CODE_T>
class ddl::dd::utility::ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T >

Model Subject utility to define a Model Subject that notifies one or more observers.

Template Parameters

MODEL_SUBJECT_T	the subject type
EVENT_CODE_T	the event code type

Definition at line 68 of file dd_access_observer.h.

Member Function Documentation

attachObserver()

void attachObserver ( observer_type *  observer )

inline

adda a observer to notify.

Parameters

observer

the observer instance

Definition at line 112 of file dd_access_observer.h.

detachObserver()

void detachObserver ( observer_type *  observer )

inline

remove a observer if in list.

Parameters

observer

the observer to remove

Definition at line 126 of file dd_access_observer.h.

notifyChanged()

void notifyChanged ( event_code_type  event_code, subject_type &  changed_subject, const std::string &  additional_info  )

inlineprotected

helper utility function to notify the current observers

Parameters

event_code	the eventcode
changed_subject	the subject changed
additional_info	additional info (see i.e. ddl::dd::datamodel::ModelEventCode)

Definition at line 144 of file dd_access_observer.h.

operator=()

ModelSubjectUtility& operator= ( const ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T > &  )

inline

copy assignment operator which removes the observers in case of!

Returns

ModelSubjectUtility&

Definition at line 95 of file dd_access_observer.h.