This sounds pretty useful. I really need to finish reading that JPA
spec. I think I made it through 80 pages or so.
-- KevinOn Sun, Oct 25, 2009 at 9:55 AM, Andrus Adamchik <andru..bjectstyle.org> wrote: > This is an ORM concept inspired in Cayenne by the JPA spec (the term is > taken from JPA as well). > > An embeddable is a reusable compound ObjAttribute type that maps to multiple > DbAttributes. E.g. if you have "person" and "organization" tables, that both > have address columns in them (address1, address2, city, etc.). You can > create an embeddable "Address", and then use it in both Person and > Organization entities as a single attribute, even though it maps to multiple > columns. > > We do need a docs entry on that. Hopefully will catch up during beta. > > Andrus > > On Oct 25, 2009, at 3:38 PM, Andrey Razumovsky wrote: > >> Hi Andrus, >> >> Are there any docs about embeddables? I suppose I'm not the only one who >> doesn't know what it is :) >> >> Thanks, >> >> 2009/10/25 Andrus Adamchik (JIRA) <jir..pache.org> >> >>> >>> [ >>> >>> https://issues.apache.org/jira/browse/CAY-1260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel] >>> >>> Andrus Adamchik closed CAY-1260. >>> -------------------------------- >>> >>> Resolution: Fixed >>> Fix Version/s: (was: 3.0) >>> 3.0 beta 1 >>> >>>> (Exerimental) Modeler support for embeddables and embedded attributes >>>> --------------------------------------------------------------------- >>>> >>>> Key: CAY-1260 >>>> URL: https://issues.apache.org/jira/browse/CAY-1260 >>>> Project: Cayenne >>>> Issue Type: Task >>>> Components: CayenneModeler GUI >>>> Affects Versions: 3.0 >>>> Reporter: Andrus Adamchik >>>> Assignee: Andrus Adamchik >>>> Fix For: 3.0 beta 1 >>>> >>>> Attachments: 0001-CAY-1260.patch, Embeddable.txt, >>> >>> Embeddable1.txt, icon-embeddable.gif, icon-new_embeddable.gif, >>> Inspector1_5.txt, InspectorObjAttrAndEmbAttributes.txt, >>> InspectorObjAttrAndEmbAttributes.txt >>>> >>>> >>>> Need to implement Modeler support for mapping embeddable objects and >>> >>> including them in ObjEntities. >>> >>> -- >>> This message is automatically generated by JIRA. >>> - >>> You can reply to this email to add a comment to the issue online. >>> >>> >> >> >> -- >> Andrey > >
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