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How model exception throws in Java [message #1230576]

Sun, 12 January 2014 07:28

Eclipse User

I am using Papyrus to model a complex java 2EE application. I also generate code stub using Acceleo UML2 to Java trasfrmation. All works fine except for an aspect. Seems that in Papyru class method definition there is no way to declare exceptions throwed. I also try to apply Java profile to project but nothing changed.
This seems pretty disappointing because (for example) Rational Software Architect is able to declare exceptions throwed bya a method and generate corresponding java code.
Can anyone help me ?

PS: i use last Papyrus (Version 0.10.1.v201309181302) release with Eclipse Kepler.

Claudio Retico

Re: How model exception throws in Java [message #1230840 is a reply to message #1230576]

Mon, 13 January 2014 02:51

Eclipse User

Hi Claudio,

select an operation, switch to the 'Advanced' tab in the Properties view and
have a look for 'RasiedException'. In UML, an exception is a mere Type.

HTH,
Marc-Florian

"Claudio Retico" wrote in message news:lauv58$5kv$1@xxxxxxxxe.org...

I am using Papyrus to model a complex java 2EE application. I also generate
code stub using Acceleo UML2 to Java trasfrmation. All works fine except for
an aspect. Seems that in Papyru class method definition there is no way to
declare exceptions throwed. I also try to apply Java profile to project but
nothing changed.
This seems pretty disappointing because (for example) Rational Software
Architect is able to declare exceptions throwed bya a method and generate
corresponding java code.
Can anyone help me ?

PS: i use last Papyrus (Version 0.10.1.v201309181302) release with Eclipse
Kepler.

Claudio Retico

Re: How model exception throws in Java [message #1230914 is a reply to message #1230840]

Mon, 13 January 2014 06:12

Eclipse User

And you suppose this will work with Acceleo UML2 Java transformation i.e. i will find the throws in generated code ?
I later will try.

Thanks

Re: How model exception throws in Java [message #1230980 is a reply to message #1230914]

Mon, 13 January 2014 09:11

Eclipse User

Don't know. But this is the way how exceptions are modeled in UML.

Regards,
Marc-Florian

"Claudio Retico" wrote in message news:lb0hnr$b76$1@xxxxxxxxe.org...

And you suppose this will work with Acceleo UML2 Java transformation i.e. i
will find the throws in generated code ?
I later will try.

Thanks

Re: How model exception throws in Java [message #1230989 is a reply to message #1230914]

Mon, 13 January 2014 09:35

Eclipse User

Hi

You seem to be confusing domains.

You were discussing modeling exceptions in UML.

Now you ask about an exception in Acceleo which impleemnts MOFM2T but
defines no exception capability.

MOFM2T extends OCL which also does not throw exceptions; rather using
in-band passing of invalid values.

If you contrive to get Acceleo to execute code that throw an exception,
you shoukld find that Acceleo treats it as OCL's invalid.

Alternatively if you define UML function bodies you would normally use
OCL and so get no exceptions. ALF too gives no exceptions.

I think you will only get java exceptions if you code Java exception
throwing manually, perhaps using some OCL/ALF black box queries that throw.

Regards

Ed Willink

On 13/01/2014 11:12, Claudio Retico wrote:
> And you suppose this will work with Acceleo UML2 Java transformation
> i.e. i will find the throws in generated code ?
> I later will try.
>
> Thanks

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