Hi Julien,
I'm not 100% sure if I understood, but I think this should be possible.
You want two class maps, one for each class. Both should have a a URI pattern
(or bNodeIdColumns) that are based on the primary key of the question_ecrite
table.
You attach the date_response and texte_response property bridges to the
Response class map (with belongsToClassMap).
You also create a property bridge for connecting the two classes, something
like:
map:reponseCorrespondante a d2rq:PropertyBridge;
d2rq:belongsToClassMap map:QuestionEcrite;
d2rq:property oan:responseCorrespondante;
d2rq:refersToClassMap map:Response;
.
Hope that helps,
Richard
On 25 Mar 2011, at 13:46, <[email protected]>
<[email protected]> wrote:
> Hello everyone,
>
> I currently encounter a problem with the mapping language D2RQ. So here's my
> problem in detail.
>
> I have a table "question_ecrite" and two fields in this table are
> "date_reponse" which is of type date and "reponse" which is of type "string".
>
> Now my ontology (oan) consists of two classes "QuestionEcrite" and another
> "Reponse ". On the class "Reponse" I have two properties "dateReponse" and
> "texteReponse".
>
> Now how is it possible to map with D2RQ my table "question_ecrite" and
> especially my fields “date_reponse "and "reponse" with the properties of
> class "Reponse". Or more precisely is it possible to make a series of
> properties to arrive until the field that i want.
>
> Here's what I did:
>
> map: question_ecrite_date_reponse has d2rq: PropertyBridge;
> d2rq: belongsToClassMap map: question_ecrite;
> d2rq: property oan: dateReponse;
> d2rq: column "question_ecrite.date_reponse";
> .
> map: question_ecrite_reponse has d2rq: PropertyBridge;
> d2rq: belongsToClassMap map: question_ecrite;
> d2rq: property oan: texteReponse;
> d2rq: column "question_ecrite.reponse";
> .
>
> In summary the field date_reponse "must match the path in the ontology:
>
> (class)questionEcrite -----> (property)reponseCorrespondante ------>
> (class)Reponse ----> (property)dateReponse
>
> And the field "response" to the path:
>
> (class)questionEcrite -----> (property)reponseCorrespondante ----->
> (class)Reponse -----> (property)texteReponse
>
> Hoping to have been clear. And thank you in advance.
>
> Julien.
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