Lecture
The syntax for the property representation is:
Name: Type = Value
The language provides the following standard stereotypes of visibility:
· “Global”
· "Local"
· “Parameter”
· “Self”
A message is a specification for the transfer of information between objects in anticipation of the required activity.
The following syntax is used for writing messages:
Return Value: = MessageName (Arguments),
Fig.8.1 Synchronous message flow
Fig.8.2 Asynchronous message flow
Iteration represents a repeating sequence of messages.
Fig.8.3 Iterative and forked message flows
For the collaboration diagram, the following actions are performed:
1) the objects involved in the interaction are displayed;
2) the connections connecting these objects are drawn;
3) communications are marked with messages that send and receive selected objects. The result is a clear visual representation of the control flow.
Fig.8.4 Asynchronous message flow
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System modeling
Terms: System modeling