Re: Fetch Spec. like Modeler

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Mon Aug 30 2004 - 09:58:40 EDT

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    What you need to here is to create a new query using the right-most
    button on the toolbar. When the modeler asks for the type of query, use
    "Object Query". Then for the qualifier use "nr = $nr" - very similar to
    EOF.

    Andrus

    On Aug 30, 2004, at 8:00 AM, Sako! wrote:

    > Hello,
    > i would like to know if i can create a Fetch Specification in Cayenne
    > like in EOModeler.
    > i mean i want to get the Qualifier in Cayenne like this :
    > �
    > Ads.fspec file
    > -------------------------------------------------------------
    > {
    > ��� "Fetch Ads" = {
    > ������� class = EOFetchSpecification;
    > ������� entityName = Ads;
    > ������� fetchLimit = 0;
    > ������� isDeep = YES;
    > ������� qualifier = {
    > ����������� class = EOKeyValueQualifier;
    > ����������� key = nr;
    > ����������� selectorName = "isEqualTo:";
    > ����������� value = {_key = nr; class = EOQualifierVariable; };
    > ������� };
    > ������� refreshesRefetchedObjects = YES;
    > ������� requiresAllQualifierBindingVariables = YES;
    > ��� };
    > }
    > -------------------------------------------------------------
    > Qualifier in EOModeler
    > (nr= $nr)
    > �
    > Code in java :
    >
    > EOFetchSpecification fs =
    > EOFetchSpecification.fetchSpecificationNamed(fetch, entity);
    >
    > �
    >
    > NSMutableDictionary bindings = new NSMutableDictionary();
    >
    > bindings.setObjectForKey(specialistNr, "nr"); // specialistNr Integer
    >
    > fs = fs.fetchSpecificationWithQualifierBindings(bindings);
    >
    > NSArray objects = ec.objectsWithFetchSpecification(fs); // ec
    > EdetingContext
    >
    > if (objects.count() > 0)
    >
    > {
    >
    > ������ return (EOGenericRecord) objects.objectAtIndex(0);
    >
    > }
    >
    > else
    >
    > {
    >
    > ������ return null;
    >
    > }
    > -------------------------------------------------------------
    > �
    > if possilbe please give me the url how to use that.
    > �
    > Regards.
    > �
    > Sako.



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