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How to call a Java service [message #1699234]

Mon, 22 June 2015 19:43

qwer qwer

Messages: 9
Registered: June 2015

Junior Member

Hi everyone,

a couple of days I'm trying to call a Java Service from my viewpoint but I can't make it work. I need a service with a method which creates a label for a component of my diagram.
I have a single viewpoint specification project with my metamodel, model, .odesign and in src/mypackage I defined the Java service with a public constructor with no arguments and a public method which takes a paramter from type EObject and returns an EObject. I tried to reference the service through Java Extension (with path: MyProject/src/mypackage/Service.java) but it doesn't seem to be working. The service could not be found and I am not able to call the method (through Service:myMethod or [myObject.myMethod()/]).
Could you please tell me, what I'm doing wrong and what is the right way to call a Java Service. Sirius is something new for me, I'm a beginner.

Thank you in advance! Smile

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Re: How to call a Java service [message #1699339 is a reply to message #1699234]

Tue, 23 June 2015 13:33

Maxime Porhel

Messages: 516
Registered: July 2009
Location: Nantes, France

Senior Member

Hi "qwer qwer"

Le 23/06/2015 15:08, qwer qwer a écrit :
> Hi everyone,
>
> a couple of days I'm trying to call a Java Service from my viewpoint but
> I can't make it work. I need a service with a method which creates a
> label for a component of my diagram.
> I have a single viewpoint specification project with my metamodel,
> model, .odesign and in src/mypackage I defined the Java service with a
> public constructor with no arguments and a public method which takes a
> paramter from type EObject and returns an EObject. I tried to reference
> the service through Java Extension (with path:
> MyProject/src/mypackage/Service.java) but it doesn't seem to be working.

You will find information about Java services in [1], note that you have
to use the "fully qualified Java name" of your service class.

You should try: mypackage.Service

> The service could not be found and I am not able to call the method
> (through Service:myMethod or [myObject.myMethod()/]).

"Service:" is not supported, the prefix of the service interpreter is
"service:".

> Could you please tell me, what I'm doing wrong and what is the right way
> to call a Java Service. Sirius is something new for me, I'm a beginner.
>
> Thank you in advance! :)

Regards

--
Maxime - Obeo

Need professional services for Sirius?
http://www.obeodesigner.com/sirius
--
[1]
https://www.eclipse.org/sirius/doc/specifier/general/Writing_Queries.html#service_methods

Maxime Porhel - Obeo

Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: How to call a Java service [message #1699361 is a reply to message #1699339]

Tue, 23 June 2015 15:32

qwer qwer

Messages: 9
Registered: June 2015

Junior Member

Thank you, Maxime but it doesn't work again. I suppose, the different parts have to be deployed on different eclipse instances but I don't know which parts and in what kind of projects. I found this topic here and in one of the posts there are two exmples attached but the links don't work. https://www.eclipse.org/forums/index.php/t/632359/
Do you have any exmaples with Java services?

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