ddl::utility::ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T > Class Template Reference

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

#include <access_observer.h>

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!
virtual	~ModelSubjectUtility ()=default
	DTOR.
void	attachObserver (observer_type *observer)
	adda a observer to notify.
void	detachObserver (observer_type *observer)
	remove a observer if in list.

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

Detailed Description

template<typename MODEL_SUBJECT_T, typename EVENT_CODE_T>
class ddl::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

Member Function Documentation

attachObserver()

template<typename MODEL_SUBJECT_T, typename EVENT_CODE_T>

void ddl::dd::utility::ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T >::attachObserver ( observer_type * observer )

inline

adda a observer to notify.

Parameters

observer

the observer instance

detachObserver()

template<typename MODEL_SUBJECT_T, typename EVENT_CODE_T>

void ddl::dd::utility::ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T >::detachObserver ( observer_type * observer )

inline

remove a observer if in list.

Parameters

observer

the observer to remove

notifyChanged()

template<typename MODEL_SUBJECT_T, typename EVENT_CODE_T>

void ddl::dd::utility::ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T >::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)

operator=()

template<typename MODEL_SUBJECT_T, typename EVENT_CODE_T>

ModelSubjectUtility & ddl::dd::utility::ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T >::operator= ( const ModelSubjectUtility< MODEL_SUBJECT_T, EVENT_CODE_T > & )

inline

copy assignment operator which removes the observers in case of!

Returns

ModelSubjectUtility&

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

• include/ddl/utilities/access_observer.h