PowerDesigner supports all the objects necessary to build sequence diagrams.
Object |
Tool |
Symbol |
Description |
---|---|---|---|
Actor |
|
An external person, process or something interacting with a system, sub-system or class. See Actors (OOM). |
|
Object |
|
Instance of a class. See Objects (OOM). |
|
Activation |
|
Execution of a procedure, including the time it waits for nested procedures to execute. See Activations (OOM). |
|
Interaction Reference |
|
Reference to another sequence diagram. See Interaction References and Interaction Activities (OOM). |
|
Interaction Fragment |
|
Collection of associated messages. See Interaction Fragments (OOM). |
|
Message |
|
Communication that conveys information with the expectation that action will ensue. See Messages (OOM). |
|
Self Message |
|
Recursive message: the sender and the receiver are the same object. See Messages (OOM). |
|
Procedure Call Message |
|
Procedure call message with a default activation. See Messages (OOM). |
|
Self Call Message |
|
Procedure call recursive message with a default activation. See Messages (OOM). |
|
Return Message |
|
Specifies the end of a procedure. Generally associated with a Procedure Call, the Return message may be omitted as it is implicit at the end of an activation. See Messages (OOM). |
|
Self Return Message |
|
Recursive message with a Return control flow type. See Messages (OOM). |