Skip to main content


Eclipse Community Forums
Forum Search:

Search      Help    Register    Login    Home
Home » Archived » M2M (model-to-model transformation) » [ATL] How to obtain all the subclasses of a class?  () 1 Vote
[ATL] How to obtain all the subclasses of a class? [message #540925] Thu, 17 June 2010 16:02 Go to next message
Bler is currently offline Bler Friend
Messages: 26
Registered: June 2010
Junior Member
Hi there,

I'm new in the ATL, someone could say to me, how I can obtain the list of the subclasses of a class, please ?

Thank you so much,

With regards,

[Updated on: Thu, 17 June 2010 16:04]

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #540928 is a reply to message #540925] Thu, 17 June 2010 16:06 Go to previous messageGo to next message
Bler is currently offline Bler Friend
Messages: 26
Registered: June 2010
Junior Member
Bler wrote on Thu, 17 June 2010 12:02
Hi there,

I'm new in the ATL, someone could say to me, how I can obtain the list of the subclasses of a class, please ?

Thank you so much,

With regards,

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #541302 is a reply to message #540928] Sat, 19 June 2010 18:34 Go to previous messageGo to next message
wafaa is currently offline wafaaFriend
Messages: 163
Registered: January 2010
Location: Egypt
Senior Member
hi bler

I do no know too much about your case
you can create similar helper and call it when needed



helper context UML!Class def: getSUperClass () : Sequence(UML!Class) =

UML!Class.allInstances()->select( p | p.superClass =self);

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #541306 is a reply to message #541302] Sat, 19 June 2010 19:07 Go to previous messageGo to next message
Bler is currently offline Bler Friend
Messages: 26
Registered: June 2010
Junior Member
Hi wafaa,

Thank you so much for your helps Smile.

In fact, I have a class diagram as entry model, and I have to move a given operation from a super- class to all its sub-classes, and deleting this operation from the super-class. If you have any suggestions about, it'll help me a lot...

Regards,

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #541308 is a reply to message #541306] Sat, 19 June 2010 19:21 Go to previous messageGo to next message
wafaa is currently offline wafaaFriend
Messages: 163
Registered: January 2010
Location: Egypt
Senior Member
hi Bler

let me explain something

when transforming the parent , transform only its name and the attributes you want

you do not need to delet actually operations will be created if you transformed them too.
like this

rule parentClass {
from uc : UML!Class ( uc.hasChild())
to c : UML!Class (
name <- uc.name,
ownedAttribute <- uc.ownedAttribute )

}


and when transforming children create operation for each like this

rule child{
from uc : UML!CLass
( not uc.hasChild() )

to c: UML!Class (


name <- uc.name ,
ownedAttribute <- uc.ownedAttribute,
ownedOperation <- uc.ownedOperation ,

ownedOperation <- uc.superClass.ownedOperation
}

and let hasChild

helper context UML!Class def: hasChild () : Boolean =
if thisModule.getAllSupers ->exists(self)
then
true
else
false;

helper def : getAllSupers () : Sequence(UML!Class) =
UML!CLass.allInstances() ->select(p | p.superClass) ->asSet();

[Updated on: Sat, 19 June 2010 19:28]

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #541310 is a reply to message #541308] Sat, 19 June 2010 19:48 Go to previous messageGo to next message
Bler is currently offline Bler Friend
Messages: 26
Registered: June 2010
Junior Member
Hi wafaa,

A lot of thanks four your explications, it's precious for me.., I didn't see it like this, I will do/try it right-now...

With regards Smile

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #541374 is a reply to message #541310] Sun, 20 June 2010 14:55 Go to previous messageGo to next message
Bler is currently offline Bler Friend
Messages: 26
Registered: June 2010
Junior Member
Hi wafaa,

I had an error with the helper
helper def : getAllSupers() : Sequence(UML!Class) =
UML!Class.allInstances() ->select(p | p.superClass) ->asSet();

Error looks like this : "Operation not found: Sequence {}.not()"

I could not correct it, so I modified the helper "hasChild()" as below, since I have:
- a super-class "A" with 2 properties (pro1 and pro2) and 3 operations (oper1,oper2 and oper3), and
- 3 sub-classes "B" "C" and "D"
The code is :

helper context UML!Class def: hasChild () : Boolean =
if self.name = 'A' then
true
else
false
endif;

rule parentClass {
from uc : UML!Class ( uc.hasChild())
to c : UML!Class (
name <- uc.name,
ownedAttribute <- uc.ownedAttribute
)
}

rule child {
from uc : UML!Class( not uc.hasChild() )
to c: UML!Class (
name <- uc.name,
ownedAttribute <- uc.ownedAttribute,
ownedOperation <- uc.ownedOperation,
ownedOperation <- uc.superClass.first().ownedOperation.at(2)
)
}
I would like to move « oper2 » form A to B, C, and « D », after the transformations I have:
- the super class "A", with 2 properties (pro1 and pro2) and 2 operations (oper1, oper3),it's good, but
- the "oper2" appears only in the sub-class "D"

Could you tell me way please?

Regards,

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #541524 is a reply to message #541374] Mon, 21 June 2010 13:17 Go to previous messageGo to next message
wafaa is currently offline wafaaFriend
Messages: 163
Registered: January 2010
Location: Egypt
Senior Member
hi again:

let me explain some thing, class B and C are created but it seems that some condition or binding did not success, so they are left
while in D the condition is true;

but I understood that in all your cases you used the second operation to be inherited and the rest no!!!

the last question how did the operation 1 and 3 transformed for the parent class and we did not use the binding for operation and why only no 1 and 3 were transformed??!!


hope I did not make you confused Evil or Very Mad

I was just trying>>

you can debug your code to see how does it pass condition and so on.

in debug check classes names, owned attribute and owned Operation

good luck Bler

Report message to a moderator

Re: [ATL] How to obtain all the subclasses of a class? [message #541605 is a reply to message #541524] Mon, 21 June 2010 18:21 Go to previous message
Bler is currently offline Bler Friend
Messages: 26
Registered: June 2010
Junior Member
Hi wafaa,

Thank you so much for your help,

Yes I used only the operation 2 to be inherited, I just started to learn ATL..., I suppose that the operations 1 and 3 were transformed because only the operation 2 has been inherited. Like a kind of swap...I'm not sure, if I use only one sub-class it is ok, but for more than one class, the operation 2 is created only on the last one, so maybe I have to duplicated it (clone or something like that...), for the moment I added a third rule to add the operation for the sub-classes without it... I debug it, it same to be good, anyway I have to check, read/learn...

Thanks again Smile,

Regards

Report message to a moderator

Previous Topic:[ATL] symboles
Next Topic:Graphical Development of ATL
Goto Forum:
  

[ Syndicate this forum (XML) ] [ RSS ]

Current Time: Fri Apr 19 21:55:45 GMT 2024

Powered by FUDForum. Page generated in 0.03362 seconds
.:: Contact :: Home ::.

Powered by: FUDforum 3.0.2.
Copyright ©2001-2010 FUDforum Bulletin Board Software

Back to the top

Sign up to our Newsletter

A fresh new issue delivered monthly