How to create the delegation connectors in Composite Structure Diagram in Astah

We receive many questions about how to create the delegation connectors. So here’s how to do so:

Delegate_Connector_in_Astah

(1) Create a Class, and add a Port to it.
(2) To add a lollipop or socket, right-click the Port and select [Add Required Interface (Socket)] or [Add Provided Interface (Lollipop)]
Astah_Interface

 

 

 

 

 

 

(3) Now  create a Part inside the Class and add a Port to it
(4) Copy the Interface (Lollipop or Socket) by using shortcut key (Ctrl+C) or [Copy] from its Pop-up menu
(5) Paste the Interface (Lollipop or Socket) on the diagram by using shortcut key (Ctrl+V)  or [Paste] from its Pop-up menu
(6) Drag and drop the pasted Interface within a Class
(7)

[For Lollipop]
Select [Realization] from the tool bar and then draw it from Part’s Port to the Lollipop within the class.
Astah_UML_Realization3

 

 

 

 

[For Socket]
Select [Usage Dependency] from the tool bar and then draw it from Part’s Port to the Socket within the class.
Astah_UML_Usage

 

 

 

(8) At last, select [Connector] and connects two Ports
Astah_UML_Connector

 

 

 

 

Hope this helps. There are are several ways to depict this delegation connector but this is the fastest way to do so in the Composite Structure Diagram.

Cheers,
SJ

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