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[ETL] EClass.all not returns EClass from referenced packages [message #1702830]

Sat, 25 July 2015 12:45

Oleg Orlov

Messages: 14
Registered: June 2015

Junior Member

Hi all.
How can i get all EClasses, inherited from my EClass?
Is it possible at all?

My first try:
operation S!EClass getAllKindOf() {
return S!EClass.all.select(e|self.isSuperTypeOf(e));
}

But it returns objects only from main ecore module, not referenced modules.
Any hints?

[Updated on: Sat, 25 July 2015 12:45]

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Re: [ETL] EClass.all not returns EClass from referenced packages [message #1702832 is a reply to message #1702830]

Sat, 25 July 2015 13:02

Dimitris Kolovos

Messages: 2163
Registered: July 2009
Location: York, UK

Senior Member

Hi Oleg,

Could you please provide a minimal example [1] that we can use to reproduce this?

Cheers,
Dimitris

[1] https://www.eclipse.org/epsilon/doc/articles/minimal-examples/

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Re: [ETL] EClass.all not returns EClass from referenced packages [message #1702834 is a reply to message #1702832]

Sat, 25 July 2015 13:27

Oleg Orlov

Messages: 14
Registered: June 2015

Junior Member

Epsilon Core 1.3.0.201506241627

expected result:
myRef->MyBase
MyBase
MyImpl1
MyImpl2
MyImpl3

actual result:
myRef->MyBase
MyImpl3

Attachment: mintest.zip
(Size: 2.46KB, Downloaded 107 times)

[Updated on: Sat, 25 July 2015 16:17]

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Re: [ETL] EClass.all not returns EClass from referenced packages [message #1702846 is a reply to message #1702834]

Sat, 25 July 2015 21:16

Dimitris Kolovos

Messages: 2163
Registered: July 2009
Location: York, UK

Senior Member

Hi Oleg,

Tweaking minmain.emf's import statement as follows seems to be doing the trick.

@namespace(uri="minmain", prefix="minmain")
package minmain;

import "platform:/resource/mintest/minsub.ecore";

class MyContainer {
  ref minsub.MyBase myRef;
}

class MyImpl3 extends minsub.MyBase {
}

Cheers,
Dimitris

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Re: [ETL] EClass.all not returns EClass from referenced packages [message #1702849 is a reply to message #1702846]

Sun, 26 July 2015 07:34

Oleg Orlov

Messages: 14
Registered: June 2015

Junior Member

Hi Dimitris,
Yes, it works with platform reference.

But this solution not fully satisfactory for us. Our goal is to get it working in specific production server environment, without eclipse platform.

Can you give any advice for that case?

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Re: [ETL] EClass.all not returns EClass from referenced packages [message #1702852 is a reply to message #1702849]

Sun, 26 July 2015 08:46

Oleg Orlov

Messages: 14
Registered: June 2015

Junior Member

Ok, i get it myself:)

[%for (r in EReference.all) {%]
[%=r.name%]->[%=r.eReferenceType.name%]
[%for (eClass in allClasses().select(e|r.eReferenceType.isSuperTypeOf(e))) {%]
[%=eClass.name%]
[%}%]
[%}%]

[%
operation allClasses() {
var l = Sequence{};
for (p in allPackages()) {
for (c: EClass in p.getEClassifiers()) {
l.add(c);
}
}
return l;
}

operation allPackages() {
var l = Sequence{};
for (p in EPackage.all) {
p.collectEPackages(l);
}
return l;
}

operation EPackage collectEPackages(l) {
if (l.includes(self)) {
return;
}
l.add(self);
for (ePackage in self.getESubpackages()) {
ePackage.collectEPackages(l);
}
for (eClass: EClass in self.getEClassifiers()) {
for (eSuperType in eClass.getEAllSuperTypes()) {
eSuperType.getEPackage().collectEPackages(l);
}
for (eRference in eClass.getEAllReferences()) {
eRference.getEReferenceType().getEPackage().collectEPackages(l);
}
}
}
%]

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Re: [ETL] EClass.all not returns EClass from referenced packages [message #1702858 is a reply to message #1702852]

Sun, 26 July 2015 11:51

Dimitris Kolovos

Messages: 2163
Registered: July 2009
Location: York, UK

Senior Member

Hi Oleg,

I've committed a fix which adds support for relative file imports [1], and pushed out a new version of the update site. Replacing your import statement with

import "minsub.ecore";

should now work as expected without the workaround code.

Cheers,
Dimitris

[1] https://git.eclipse.org/c/emfatic/org.eclipse.emfatic.git/commit/?id=4f873d43cc26ff262efc3cca297dcfb1f4e92a77

[Updated on: Sun, 26 July 2015 11:53]

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