UML Weekend Crash Course™ - To Parent Directory

Glossary 335
automatic transition
A change in state triggered by the completion or termination of a state activity. See also
transition and activity.
balking event
A message type in which the client can pass the message only if the supplier is immediately
ready to accept the message. The client abandons the message if the supplier is not ready.
base class
A class that is further specified by subclasses. Also called a superclass or ancestor class. For
more information see Session 11. See also superclass and subclass.
bound element
A class resulting from the specification of parameters in a template class. See also template
class.
class
An abstraction of a set of related information, behaviors, and relationships that describes a
type of entity. A definition used to create objects. For more information see Sessions 1
and 9. See also object.
classification
The process of finding common information, behaviors, and relationships among objects, in
order to create a common definition for the objects. For more information see Session 9. See
also class and object.
class operation
An operation that is specific to a class rather than to objects of the class. As such, it may be
invoked without using an object of the class. For more information see Session 9.
class variable
An attribute that is specific to a class rather than to objects of the class. As such, it may be
referenced within the class without using an object of the class. For more information see
Session 9.
client
An object that initiates a request.
collaboration
An interaction between objects. The term is also used to describe a pattern, a standardized
concept for configuring classes to fulfill a specific function. For more information see
Session 12. See also pattern.