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Cannot find imported compilation unit [message #1702618]

Thu, 23 July 2015 14:30

Denis Nikiforov

Messages: 344
Registered: August 2013

Senior Member

Hi

I've attached a very simple project with a blackbox library.
I defined the later one in plugin.xml:

   <extension
         point="org.eclipse.m2m.qvt.oml.javaBlackboxUnits">
      <unit
            name="UtilitiesLibrary"
            namespace="uml2xsd">
         <library
               class="uml2xsd.UtilitiesLibrary"
               name="UtilitiesLibrary">
         </library>
      </unit>
   </extension>

But editor doesn't find this compilation unit. What's wrong with my code? I'm using QVTo 3.5.0.

Thanks!

Attachment: qvto_bb_test.rar
(Size: 3.07KB, Downloaded 218 times)

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Re: Cannot find imported compilation unit [message #1702908 is a reply to message #1702618]

Mon, 27 July 2015 10:41

Christopher Gerking

Messages: 115
Registered: April 2011

Senior Member

Hi

If both transformation and blackbox reside in the same workspace, QVTo is currently not able to resolve the blackbox, because it cannot analyze the plugin.xml registrations.

In order to be resolved successfully, the blackbox is required to reside in a deployed plugin that runs inside your platform.

To alleviate this problem, you could use the "blackbox" keyword to declare your library as a stub, which can be resolved inside your workspace. However, it still won't be executable in the workspace.

Support for resolving and executing a blackbox from the workspace is planned for Neon.

Regards
Christopher

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Re: Cannot find imported compilation unit [message #1703227 is a reply to message #1702908]

Wed, 29 July 2015 13:54

Denis Nikiforov

Messages: 344
Registered: August 2013

Senior Member

Hi

Thanks! Yep, deployed bb-library works as expected. I'll be waiting for Neon.

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Re: Cannot find imported compilation unit [message #1726314 is a reply to message #1703227]

Fri, 11 March 2016 10:03

smaoui asma

Messages: 50
Registered: July 2009
Location: Paris Saclay, France

Member

hello
I have the same problem in neon, and I do not understand how to use the "blackbox" keyword to declare your library as a stub ?

can you give an example ?

thanks

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Re: Cannot find imported compilation unit [message #1727071 is a reply to message #1726314]

Fri, 18 March 2016 15:01

Christopher Gerking

Messages: 115
Registered: April 2011

Senior Member

The "blackbox" keyword declares an operation (or transformation) as a stub, not a library. Instead, you may declare every operation in your library as a stub by prefixing the operation signatures with the "blackbox" keyword.

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