Joe, > It is a tad difficult to follow all of your pseudo-code (as with all > pseudo-code), but it appears that you are adding to "UserRoles" object via > Cayenne and that you have left out the step to "commitChanges" on your > ObjectContext. > > Here is the basic pseudo code for Cayenne usage model: > > 1. get your ObjectContext (ex: BaseContext.getThreadObjectContext();) > 2. create a new entity on the OC (ex: > (UserRoles)oc.newObject(UserRoles.class);) > 3. initialize your entity with values > 4. commit changes (ex: oc.commitChanges();) > > Totally easy! :)
hehehe I agree it is totally easy and I must say I have called commitChanges but it didn't work - thats why I felt so dumb :-) Thanks for looking in my hard to read example - I already see another valuable tipp in the thread Cheers > > Joe > > > > On Sep 6, 2011, at 11:14 AM, Christian Grobmeier wrote: > >> Folks, >> >> I need your help. An error in my app bugs me and I am looking >> desperately were it could happen. >> >> The use case is: >> - create a user >> - create a user_role object >> - select one of the existing roles >> - connect all together and commit >> >> I see that all values are correct in the database (mysql console) >> >> But after the user registered, my app fails with the error "no role". >> >> What I do is basically: >> >> ur = User.getUserRoles(); >> foreach ur: >> r = ur.getRole() >> >> >> And the r reference is null. I am not sure what I am doing wrong. Any >> hints what I could check in my Cayenne app? >> >> I add a role to a user liek this: >> >> User user ... >> >> UserRoles userRoles = new UserRoles(); >> userRoles.setUser(user); >> userRoles.setRole(role); >> user.addToUserRoles(userRoles); >> role.addToRolesToJoin(userRoles); >> >> Any hints highly apprecitated - thanks in advance >> >> Christian > > -- http://www.grobmeier.de
