tlp::Event Class Reference

Event is the base class for all events used in the Observable/listener/Observer mechanism. More...

#include <Observable.h>

Inheritance diagram for tlp::Event:

Collaboration diagram for tlp::Event:

List of all members.

Public Types

• enum EventType { TLP_DELETE = 0, TLP_MODIFICATION, TLP_INFORMATION, TLP_INVALID }

Public Member Functions

• virtual ~Event ()
• Observable * sender () const
• Event (const Observable &sender, EventType type)
• EventType type () const

Friends

• class Observable
• class Graph
• class PropertyInterface

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Detailed Description

Event is the base class for all events used in the Observable/listener/Observer mechanism.

Event is the base class to send notification to Observer or Listerner. The nature of an Event is characterized by its type. In the current implemenation there is 4 kind of event :

event::DELETE : send directly to all Observers/Listeners, it is not possible to delay its processing.
event::MODIFICATION : sent to all Observers/Listeners, it is possible to delay its processing. MODIFACTION are first sent to Observer then to Listenr
event::INFORMATION : sent only to Listeners, it is not possible to delay its processing.
event::INVALID : never sent use internally for delaying events.

See also:

Listener

Observer

Observable

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Member Enumeration Documentation

enum tlp::Event::EventType

Enumerator:

TLP_DELETE
TLP_MODIFICATION
TLP_INFORMATION
TLP_INVALID

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Constructor & Destructor Documentation

virtual tlp::Event::~Event

(

)

[virtual]

tlp::Event::Event	(	const Observable &	sender,
		EventType	type
	)

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Member Function Documentation

Observable* tlp::Event::sender

(

)

const

EventType tlp::Event::type

(

)

const [inline]

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Friends And Related Function Documentation

friend class Graph [friend]

friend class Observable [friend]

friend class PropertyInterface [friend]