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

message

The conveyance of information from one role to another as part of an interaction within a context; at the instance level, a communication from one object to another. A message may be a signal or the call of an operation. The sending and the receipt of a message are occurrence specifications.

See also call, collaboration, interaction, operation, send, signal.

Semantics

A message is the transmission of a signal from one object (the sender) to one or more other objects (the receivers), or it is the call of an operation on one object (the receiver) by another object (the sender or caller). The implementation of a message may take various forms, such as a procedure call, explicit raising of events, interprocess communication between active ...

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