It is totally ok to use 4.0.M3. I am still going to look at the DataMap. Andrus
> On Mar 29, 2016, at 4:07 PM, Simon Farner <s.far...@bluewin.ch> wrote: > > Hello Michael > > I don't know if it worked in 3.1 I would have to try it out. I am > fairly new to Cayenne, not new to programming Java, nor working with > databases, but new to Cayenne. I went through the mailing list and > people were reporting that they work in production with the 4.1.M3 > modeler, so I figured I would be ok. If I find some time this evening I > will try to do the example in 3.1. > > Best regards > Simon > > On Die, 2016-03-29 at 08:12 -0400, Michael Gentry wrote: >> Hi Simon, >> >> Is this something that worked correctly in 3.1 but not in 4.0M3? I'm >> mainly asking to find out if a validation bug was introduced in >> 4.0M3. >> While we love people to try out our milestone releases, they are >> still >> under active development. 3.1 is the stable release. >> >> Thanks, >> >> mrg >> >> >> On Sun, Mar 27, 2016 at 3:51 PM, Simon Farner <s.far...@bluewin.ch> >> wrote: >> >>> >>> Hello everybody >>> >>> I am trying to get the book/ebook/paper_book example to work with >>> Cayenne Modler 4.0.M3, but it wont validate. This is the third time >>> I >>> try this and I really need to get this working now, I am not very >>> keen >>> on a road block meeting and switching to another ORM. >>> >>> I strugle with the relationships between superclass table and >>> subclass >>> table. I set up two relation ships in BOOK >>> >>> Name:"paperBook",Target:"PAPER_BOOK", To Dep PK:True, To >>> Many:False >>> Name:"eBook",Target:"E_BOOK", To Dep PK:True, To Many:False >>> >>> I then first create the ObjEntities for all three. Then I enter the >>> type classifier field and set the inheritance. After wards I go to >>> the >>> two subclasses and map the two individual attributes they posses to >>> the >>> right subclass attribut. Then I save the project and the validation >>> tells me that that all the ObjRelationships have uncompelte >>> mappings. >>> >>> Example: "ObjRelationship book.eBook has incomplete DbRelationship >>> mapping" >>> >>> I then go to Book ObjEntity and open both relationships to the >>> subclass >>> once, but I change nothing. Opon closing I am asked if I want to >>> save >>> my changes, because I some how have magically modified the path. I >>> say >>> yes. Then I validat again and all but two complaints are gone. >>> Left >>> over are: >>> >>> "ObjRelationship EBook.book has incomplete DbRelationship >>> mapping" >>> "ObjRelationship PaperBook.book has incomplete >>> DbRelationship >>> mapping" >>> >>> Those are the relation ships pointing back from the subclasses to >>> the >>> super clases. I can't fix them. When I open the edit dialog >>> >>> Can please someone help me to find out what I am doing wrong? I >>> kind of >>> feel stupid about asking here, because it is so trivial :/ But I >>> really >>> need this working. If someone wants to have a look at my cayenne >>> project I put it on my drop box: https://www.dropbox.com/s/uw82cl1y >>> xkl3 >>> ohk/cayenne-project.xml?dl=0 >>> >>> Best regards and thanks to everybody for helping >>> Simon >>>
