Hi Dan, On Fri, Jul 17, 2015 at 1:17 PM, Dan Haywood <d...@haywood-associates.co.uk> wrote:
> Hi Kambiz, > > as Jorg says, welcome to the list. Nice to hear that you are looking to > Apache Isis and RO for your project. > > I took a look at the code, and it turns out it's not suprising you were > having difficulties ... that bit of the code was actually broken. > > I've raised a ticket [1] and just pushed a release, so it's now working in > 1.9.0-SNAPSHOT. > > I've also recorded a quick screencast [2] (the second one in that section), > so you can see it working. (Apologies for the slightly duff audio on it... > I don't actually have a lisp!). You might also want to check out the other > screencast on RO there, too. > > Of course, if you want to try this out then you'll need to build Isis from > source; it's not difficult to do [3]. > > ~~~ > Also, in the video I do make the remark that I may very well remove the > "objects for type" resource; it breaks hypermedia, and - as Udi Dahan > pointed out in this old blog post [4] - I don't actually think it's good > domain modelling either. You might have your own opinions on that? > > Cheers > Dan > > > [1] https://issues.apache.org/jira/browse/ISIS-1174 > [2] http://localhost:4000/screencasts.html#_restful_objects_viewer It took me a bit to get access to your machine (localhost). To save some time to the others I'd suggest them to use https://www.youtube.com/watch?v=VmvhACyA2ZI instead ;) > > [3] http://isis.apache.org/guides/cg.html#_cg_building-isis > [4] http://www.udidahan.com/2009/06/29/dont-create-aggregate-roots/ > > > > On 14 July 2015 at 17:50, Kambiz Darabi <dar...@m-creations.com> wrote: > > > Hello, > > > > as a new user of Isis, I would first like to thank you for open-sourcing > > the software. I am a developer from Germany who is interested in using > > Isis (and RO) for a customer project. > > > > Reading section 9 in the RO spec, I would have expected to be able to > > POST the following to http://~/objects/simple.SimpleObject/ (in > > SimpleApp-PROTOTYPE-with-fixtures): > > > > { > > "members": { > > "name": { > > "value": "Quux" > > } > > } > > } > > > > but this leads to a 400 with the following warning: > > > > 199 RestfulObjects Could not find properties list (no > > members[objectMemberType=property]); got > > {"members":{"name":{"value":"Quux"}}} > > > > I then debugged the application and had the impression that members must > > be an array and that each element must have the attribute > > objectMemberType set to "property": > > > > { > > "members" : [ { > > "name" : { > > "value": "Quux" > > }, > > "objectMemberType": "property" > > } ] > > } > > > > With such a JSON, the response is a '500 Server Error' and the logs show > > > > Caused by: org.hsqldb.HsqlException: integrity constraint violation: NOT > > NULL check constraint; SYS_CT_10102 table: "SimpleObject" column: "name" > > > > Debugging again shows that in ObjectAdapterUpdateHelper's > > copyOverProperties, the following is called with the id "name": > > > > propertiesList.getRepresentation(id) > > > > which returns null, so the property name is not copied to the object > > which is to be persisted, resulting in the NOT NULL exception. > > > > > > I guess that I'm completely misunderstanding how I should use the > > resource. > > > > Would someone be so kind to put me on the right track? > > > > > > Thank you > > > > > > Kambiz Darabi > > -- > > m-creations gmbh > > Acker 2 > > 55116 Mainz > > Germany > > > > W: http://www.m-creations.com > > E: dar...@m-creations.com > > -- > > Registered Office: Mainz, HRB Mainz 7382 > > Managing Directors: Frank Pacholak, Kambiz Darabi > > >
