Claudio De Sio Cesari --- Interaction Diagram Syntax Reference --- http://www.claudiodesio.com

Interaction Diagram Syntax Reference

Element name

Syntax

Synopsis

Actor

Actor: role performed by user with the system.
PS: a user could not be human.

Object

Object: phisical creation (or instance) of a class.

Creation & Destruction


Creation


Destruction

Creation: starting point of an object life line (it can coincide with a call of the created object constructor).


Destruction:
ending point of an object life line (it can coincide with a call of the created object destructor).

Life Line &
Activity Line


Life Line


Activity Line

Life line : object life line.

Activity line : activity line of an object (is a method execution block).

Message


Sequence


Collaboration

Message: collaboration message beetween objects (it can coincide with a call of the target object destructor).

Asynchronous Message


Asynchronuos Message

Asynchronous Message: asynchronuos message.

Claudio De Sio Cesari --- Interaction Diagram Syntax Reference --- http://www.claudiodesio.com