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Jörn Guy  
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 More options Nov 1 2007, 8:03 pm
From: Jörn Guy <jgsu...@itee.uq.edu.au>
Date: Thu, 01 Nov 2007 17:03:34 -0700
Local: Thurs, Nov 1 2007 8:03 pm
Subject: Inaccessible Instances
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I have a problem with rule matching. I have an MM structured into
recursive packages. The source is a resource that is strictly
contained (Everything in one root element, stored in one xmi file). I
find that I am able to match elements defined in the package that
contains the root element, but in none of the other packages using a
FORALL statement. I am uncertain wether this is by design or a bug.
DesignTime is in the root package, Component is defined in a
referenced package.

Below is the transform, dump and model.

TRANSFORMATION test2code : src -> tgt

NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/modelManagement.ecore
NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime.ecore

        RULE nowYouSeeMe
        FORALL  DesignTime d
        MAKE   println(d, d.components.name,d.components.eClass());

        RULE nowYouDont
        FORALL Component c
        MAKE   println(c.name);

INFO: Loaded (11681394) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/transformations/
inaccessibleObjects.qvt
INFO: Loaded (3538808) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/instances/
My.modelmanagement
INFO: Transformation started: test2code
INFO: Constructing stratification...
INFO: ... 1 levels.
INFO: Stratum 0 : nowYouSeeMe, nowYouDont
INFO: Evaluating nowYouSeeMe
INFO: Evaluating nowYouDont
INFO: []
INFO: [nowYouSeeMe::d/
DesignT...@tefkat.model.impl.ReferenceExtentImpl@905eb5 (resources:
[org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl@35ff78 uri='platform:/
resource/au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/instances/
My.modelmanagement'])] [Basic Calculations]
[org.eclipse.emf.ecore.impl.EClassImpl@ce88d2 (name: Component)
(instanceClassName: null) (abstract: false, interface: false)]
INFO: TRule: nowYouDont completed.
INFO: TRule: nowYouSeeMe completed.
INFO: Transformation finished
INFO: ResourceSet event 8: null

<?xml version="1.0" encoding="UTF-8"?>
<au.edu.uq.itee.mdavv.wrsa.foxbus.modelManagement:Repository
xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"
xmlns:au.edu.uq.itee.mdavv.wrsa.foxbus.modelManagement="http:///au/edu/
uq/itee/mdavv/wrsa/foxbus/modelManagement.ecore">
  <designTime>
    <components name="Basic Calculations"/>
  </designTime>
</au.edu.uq.itee.mdavv.wrsa.foxbus.modelManagement:Repository>

If this behavior is by design this makes writing transformations very
hard, as you have to write recursive traversal just as you do in Java.
All the nice declarative ease of use immediately goes away. It would
also make debugging very much harder, as you constantly have to watch
you back if you are crossing a package boundary.


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michael lawley  
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 More options Nov 1 2007, 8:26 pm
From: "michael lawley" <mich...@lawley.id.au>
Date: Fri, 2 Nov 2007 10:26:20 +1000
Local: Thurs, Nov 1 2007 8:26 pm
Subject: Re: Inaccessible Instances
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The problem is that the Components is in
http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime/components.ecore,
not http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime.ecore -- it's
in a nested package.

The fully-qualified name will work.

       RULE nowYouDont
       FORALL ::designtime::components::Component c
       MAKE   println(c.name);

michael

On 11/2/07, Jörn Guy <jgsu...@itee.uq.edu.au> wrote:


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Jörn Guy  
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 More options Nov 1 2007, 9:17 pm
From: Jörn Guy <jgsu...@itee.uq.edu.au>
Date: Thu, 01 Nov 2007 18:17:45 -0700
Local: Thurs, Nov 1 2007 9:17 pm
Subject: Re: Inaccessible Instances
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Does not fix it (See below). However, the parser detects the ambiguity
when I include the other namespace, saying that 'Component' matches in
both spaces.

TRANSFORMATION inaccessible: src -> tgt

NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/modelManagement.ecore
NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime.ecore
NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime/components.ecore

       RULE stillDontSeeIt
       FORALL ::designtime::components::Component c
       MAKE   println(c.name);

INFO: Loaded (25058902) http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime.ecore
INFO: Loaded (9545769) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/transformations/
inaccessibleObjects.qvt
INFO: Loaded (18353341) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/instances/
My.modelmanagement
INFO: Transformation started: test2code
INFO: Constructing stratification...
INFO: ... 1 levels.
INFO: Stratum 0 : nowYouDont
INFO: Evaluating nowYouDont
INFO: []
INFO: TRule: nowYouDont completed.
INFO: Transformation finished
INFO: ResourceSet event 8: null

On Nov 2, 10:26 am, "michael lawley" <mich...@lawley.id.au> wrote:


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Jörn Guy  
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 More options Nov 1 2007, 9:25 pm
From: Jörn Guy <jgsu...@itee.uq.edu.au>
Date: Thu, 01 Nov 2007 18:25:39 -0700
Local: Thurs, Nov 1 2007 9:25 pm
Subject: Re: Inaccessible Instances
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Even stranger, the rule below works!

TRANSFORMATION test2code : src -> tgt

NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime/components.ecore

       RULE butNowIdo
       FORALL Component c
       MAKE   println(c.name);

INFO: Loaded (19509258) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/transformations/
inaccessibleObjects.qvt
INFO: Loaded (20383660) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/instances/
My.modelmanagement
INFO: Transformation started: test2code
INFO: Constructing stratification...
INFO: ... 1 levels.
INFO: Stratum 0 : nowYouDont
INFO: Evaluating nowYouDont
INFO: [Basic Calculations]
INFO: TRule: nowYouDont completed.
INFO: Transformation finished
INFO: ResourceSet event 8: null

On Nov 2, 11:17 am, Jörn Guy <jgsu...@itee.uq.edu.au> wrote:


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Jörn Guy  
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 More options Nov 1 2007, 9:31 pm
From: Jörn Guy <jgsu...@itee.uq.edu.au>
Date: Thu, 01 Nov 2007 18:31:09 -0700
Local: Thurs, Nov 1 2007 9:31 pm
Subject: Re: Inaccessible Instances
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TRANSFORMATION test2code : src -> tgt

NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/modelManagement.ecore

       RULE cannotResolveType
       >>> FORALL ::modelManagement::designtime::components::Component
c
       MAKE   println(c.name);

This one does not parse.

And this one does not find anything:

TRANSFORMATION test2code : src -> tgt

NAMESPACE http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime.ecore

       RULE cantSeeFromHere
       FORALL ::designtime::components::Component c
       MAKE   println(c.name);

INFO: Loaded (16019520) http:///au/edu/uq/itee/mdavv/wrsa/foxbus/designtime.ecore
INFO: Loaded (8334151) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/transformations/
inaccessibleObjects.qvt
INFO: Loaded (12677894) platform:/resource/
au.edu.uq.itee.mdavv.wrsa.foxbus.test2code/instances/
My.modelmanagement
INFO: Transformation started: test2code
INFO: Constructing stratification...
INFO: ... 1 levels.
INFO: Stratum 0 : cantSeeFromHere
INFO: Evaluating cantSeeFromHere
INFO: []
INFO: TRule: cantSeeFromHere completed.
INFO: Transformation finished
INFO: ResourceSet event 8: null

On Nov 2, 11:25 am, Jörn Guy <jgsu...@itee.uq.edu.au> wrote:


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michael lawley  
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 More options Nov 5 2007, 7:30 am
From: "michael lawley" <mich...@lawley.id.au>
Date: Mon, 5 Nov 2007 22:30:23 +1000
Local: Mon, Nov 5 2007 7:30 am
Subject: Re: Inaccessible Instances
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Hi I've committed changes to fix this problem and they'll be in the
next build, lawley246, as soon as I can access the site to upload the
files.

Other bonus features of the new build include major improvements to
error reporting from the parser.

michael


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