[news.eclipse.modeling.mdt.uml2.uml] Re: Component, Port and Interface

["Kenn Hussey" <khussey@xxxxxxxxxx>]

Christian,

I'm quite sure this question has been asked on the newsgroup before... The 
provided and required interfaces of components and ports are derived, i.e. 
they are calculated from other properties. The Javadoc for 
Port#getProvideds(), for example, looks like this:

Returns the value of the 'Provided' reference list. The list contents are of 
type org.eclipse.uml2.uml.Interface. References the interfaces specifying 
the set of operations and receptions which the classifier offers to its 
environment, and which it will handle either directly or by forwarding it to 
a part of its internal structure. This association is derived from the 
interfaces realized by the type of the port or by the type of the port, if 
the port was typed by an interface.
  See Also:
  org.eclipse.uml2.uml.UMLPackage.getPort_Provided()
  Returns:
  the value of the 'Provided' reference list.
  @model
  type="org.eclipse.uml2.uml.Interface" transient="true" changeable="false" 
volatile="true" derived="true" ordered="false"
  @generated
So, to add a provided interface to a port, you would type the port with the 
desired interface or with a classifier that realizes (has an interface 
realization relationship with) the desired interface.

Kenn

"Christian Hein" <hein.@xxxxxxxxxxxxxxxx> wrote in message 
news:elu99v$tpi$1@xxxxxxxxxxxxxxxxxxxx
> Hi all,
>
> I have the following code:
>
>
> UML2Factory umlfactory = UML2Factory.eINSTANCE;
>
> Component component = umlfactory.createComponent();
> component.setName("ProviderComponent");
>
> Interface interf = umlfactory.createInterface(); 
> interf.setName("HelloWorld");
>
> Port port = umlfactory.createPort();
> port.setName("Source");
>
> But in the following line I get an UnsupportedOperationException
> port.getProvideds().add(interf);
>
> I wonder if somebody can answer how to add this interface to the list of 
> provided interfaces of the port.
>
> Thanks in advance
> Christian