#include <disti_metadata.h>

Inheritance diagram for AttributeResourceCallback< T >:

Public Member Functions
	AttributeResourceCallback (T *object, const AttributeName &attributeName)

void	Call (DistiAttributeBase &attr) override

virtual bool	IsValid () const override

virtual void	Call (DistiAttributeBase &attr)=0

virtual bool	IsValid () const =0

Protected Attributes
AttributeName	_attributeName
	The attribute to set when invoked.

WeakRef< T >	_object
	The object containing the attribute.

Detailed Description

template<class T>
class disti::AttributeResourceCallback< T >

Template for an AttributeCallbackBase that will set another object's attribute whenever the attribute changes. The class must implement WeakReferenceable. Don't use this directly, use CreateAttributeResourceCallback instead.

Constructor & Destructor Documentation

◆ AttributeResourceCallback()

AttributeResourceCallback	(	T *	object,
		const AttributeName &	attributeName
	)

inline

Construct a new AttributeResourceCallback object to link an attribute to an attribute of another object.

Parameters

object	The object containing the attribute.
attributeName	The attribute to set.

Member Function Documentation

◆ Call()

void Call ( DistiAttributeBase & attr )

inlineoverridevirtual

Call the callback with the provided display event.

Parameters

attr	The attribute associated with this callback.

Implements AttributeObserver.

◆ IsValid()

virtual bool IsValid ( ) const

inlineoverridevirtual

When IsValid is false, then this AttributeObserver can be deleted.

Returns: Whether or not this observer is attached to a valid attribute.