| [QVTo] Truncate output file / do not append results [message #556692] |
Thu, 02 September 2010 11:01  |
 Kirsten M. Z.
Messages: 132
Registered: July 2010 |
Senior Member |
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Hi @all,
well, I already performed some more or less complex experiments with QVTo. I read many tutorials, but the exact semantics of some things are still unclear to me. Hopefully, I get enlighted sometime.
My question refers to the (output) result of a transformation. My use case: I have an input model (file), perform an transformation, and I wanna get an output model (file). My problem: the result of my transormation is appended/embedded into the output file. That means, if I execute the transformation twice, my model is inside the output file two times. The workaround: delete the result file before each transformation. However, this approach is inconvenient and sounds unfamilar to me. Even if there are many scenarios in which such a behavior might be meaningful, I expect a completely new model/file, if I have a simple output (no inout, whatever).
Is this the normal behavior?
Am I doing something wrong?
I found the option "Clear contents" in the run configurations for the output model. However, the checkbox is disabled.
BTW: This behavior can simply be reproduced by creating and running the example shipped with QVTo "SimpleUML to RDB".
I am using Topcased 4.0.0 with QVTo 20100606
[Updated on: Thu, 02 September 2010 11:02] Report message to a moderator |
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| Re: [QVTo] Truncate output file / do not append results [message #556805 is a reply to message #556692] |
Thu, 02 September 2010 16:19  |
Ed Willink
Messages: 7655
Registered: July 2009 |
Senior Member |
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Hi Vultur
This is https://bugs.eclipse.org/bugs/show_bug.cgi?id=320010
Regards
Ed Willink
On 02/09/2010 12:01, vultur wrote:
> Hi @all,
>
> well, I already performed some more or less complex experiments with
> QVT. I read many tutorials, but the exact semantics of some things are
> still unclear to me. Hopefully, I get enlighted sometime.
>
> My question refers to the (output) result of a transformation. My use
> case: I have an input model (file), perform an transformation, and I
> wanna get an output model (file). My problem: the result of my
> transormation is appended/embedded into the output file. That means, if
> I execute the transformation twice, I my model is inside the output file
> two times. The workaround: delete the result file before each
> transformation. However, this approach is inconvenient and sounds
> unfamilar to me. Even if there are many scenarios in which such a
> behavior might be meaningful, I expect a completely new model/file, if I
> have a simple output (no inout, whatever).
> Is this the normal behavior?
> Am I doing something wrong?
> I found the option "Clear contents" in the run configurations for the
> output model. However, the checkbox is disabled.
>
> BTW: This behavior can simply be reproduced by creating and running the
> example shipped with QVTo "SimpleUML to RDB".
> I am using Topcased 4.0.0 with QVTo 20100606
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