Description:

Abstract virtual interface type to implement types observing configuration changes.

See also: Chapter 9. Monitoring Changes of Variables of the Programmer's Manual of camp ALib Variables.

Definition at line 103 of file configuration.inl.

Public Type Index:
enum class	Event { Creation , Definition , Deletion }
	The type of change that imposes the notification of a listener. More...

Public Method Index:
virtual	~ConfigurationListener ()
	Virtual destructor.

virtual void	Notify (const Variable &variable, Event event, Priority previousPriority)=0

Enumeration Details:

strong

The type of change that imposes the notification of a listener.

Enumerator
Creation	A variable was declared for the first time.
Definition	A variable was defined or re-defined with the same or a higher priority.
Deletion	A variable is deleted. Note that the variable is still valid when method Notify is invoked and will be deleted right after the invocation of all listeners in question.

Definition at line 106 of file configuration.inl.

virtual alib::variables::ConfigurationListener::~ConfigurationListener ( )

inlinevirtual

Virtual destructor.

Definition at line 116 of file configuration.inl.

virtual void alib::variables::ConfigurationListener::Notify	(	const Variable &	variable,
		Event	event,
		Priority	previousPriority )

pure virtual

The virtual notification method.

Parameters

variable	The variable that was modified.
event	The type of modification.
previousPriority	The priority of the variable before event type Event::Definition.

With other events, this parameter is undefined.

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