Le 17 sept. 2019 à 10:28, Stéphane Ducasse <stephane.ducasse@inria.fr> a écrit :



On 17 Sep 2019, at 10:23, Jannik Laval <jannik.laval@gmail.com> wrote:



Le 16 sept. 2019 à 22:02, Stéphane Ducasse <stephane.ducasse@inria.fr> a écrit :

This is not clear to me.
you can save a model in Ston or other 
and you can query it in Moose. 

What is Ston. I am not sure to know it.

Check the book you are author :)
STON is  textual serialisation format. 

Ok, I already use it : STONJSON :)



What are the size of your models because you can load them all and query them. 

I would like to have a lazy loading. Not all the model.

This is not stroing in mongo that will give you that. 
You will have to change the loading of model parts and Moose does not support it. 

In addition if you have a graph how to you specify that an entity that is referenced should not be loaded (transitively)

That is a question I have not solved.


We are using Orion, which makes the model partial.

I do not get this.


In fact, we don’t need it for now, but we want to have this perspective.

Only suffer when really needed is my doctrine. 

:D 
Ok, I will do it for this task




Jannik



to save it outside the image :)

But that you can do it in MSE, STON (with one line), Fuel, 


--
~~Jannik Laval~~
Enseignant-chercheur
Responsable Pédagogique Licence Coordonnateur de Projet
IUT Lumière, Université Lumière Lyon 2
laboratoire DISP
+33 4 78 77 43 06
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Le 16 sept. 2019 à 18:18, Anne Etien <anne.etien@univ-lille.fr> a écrit :

But you can query a model with MooseQuery. Why do you need something else?

Anne

Le 16 sept. 2019 à 18:04, Jannik Laval <jannik.laval@univ-lyon2.fr> a écrit :

In fact, I need to save models and query them. 
I think we can do it with Gemstone. But I thought we can have something similar with MongoDB.

In fact, the point is « how to identify circular references » to avoid infinite loop in Voyage ?

Cheers
--
~~Jannik Laval~~
Enseignant-chercheur
Responsable Pédagogique Licence Coordonnateur de Projet
IUT Lumière, Université Lumière Lyon 2
laboratoire DISP
+33 4 78 77 43 06
http://www.jannik-laval.eu
http://www.phratch.com
http://www.approchealpes.info

Le 16 sept. 2019 à 17:24, Stéphane Ducasse <stephane.ducasse@inria.fr> a écrit :

I’m confused by what you want to do but you can try ston. 

Stef

On 16 Sep 2019, at 16:58, Jannik Laval <jannik.laval@gmail.com> wrote:

The idea is to use it at runtime. So need to make queries.
But the idea of MSE serialization is good.

Now I don’t know how we can manage the serialization strategy of MSE with the one of Voyage…

--
~~Jannik Laval~~
Enseignant-chercheur
Responsable Pédagogique Licence Coordonnateur de Projet
IUT Lumière, Université Lumière Lyon 2
laboratoire DISP
+33 4 78 77 43 06
http://www.jannik-laval.eu
http://www.phratch.com
http://www.approchealpes.info

Le 16 sept. 2019 à 16:46, Nicolas Anquetil <nicolas.anquetil@inria.fr> a écrit :


Hi,

what is the goal?

if it is only a backup store (to later retreive the entire model), you
could try something similar to the MSE serialization (done with a
visitor).
So it would be a 1 level tree

nicolas

On Mon, 2019-09-16 at 15:22 +0200, Jannik Laval wrote:
Hi everyone,

I am trying to save a moose model into MongoDB, using Voyage (Pharo
7, Moose 8).
My problem is that it is not a tree. So I declared MooseEntity as
voyageRoot.

Now, it seems I have a loop into my graph.
Do you have any idea of ho to debug that ?

Cheers,
--
~~Jannik Laval~~
Enseignant-chercheur
Responsable Pédagogique Licence Coordonnateur de Projet
IUT Lumière, Université Lumière Lyon 2
laboratoire DISP
+33 4 78 77 43 06
http://www.jannik-laval.eu
http://www.phratch.com
http://www.approchealpes.info

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--------------------------------------------
Stéphane Ducasse
03 59 35 87 52
Assistant: Julie Jonas 
FAX 03 59 57 78 50
TEL 03 59 35 86 16
S. Ducasse - Inria
40, avenue Halley, 
Parc Scientifique de la Haute Borne, Bât.A, Park Plaza
Villeneuve d'Ascq 59650
France

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--------------------------------------------
Stéphane Ducasse
03 59 35 87 52
Assistant: Julie Jonas 
FAX 03 59 57 78 50
TEL 03 59 35 86 16
S. Ducasse - Inria
40, avenue Halley, 
Parc Scientifique de la Haute Borne, Bât.A, Park Plaza
Villeneuve d'Ascq 59650
France

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