O'Reilly logo

Unified Modeling Language Reference Manual, The, Second Edition by Grady Booch, Ivar Jacobson, James Rumbaugh

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

object node

A kind of activity node that represents the existence of an object produced by one action in an activity and used by other actions.

See also control flow, object flow.

Semantics

An activity mainly models the flow of control among actions and control constructs. It can also model the flow of values among the actions.

An object node represents an object value that exists at a point within a computation. The object may be the output of one activity node and the input of other activity nodes. An object node has an input object flow connected to a source action (or other activity node). When the source action completes, an object token is generated and placed on the object node. This represents the creation of on object of the class or ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required