Thank you Jörg, that was already quite helpful. In addition I would need to know how to receive the owner and modifier name and an easy way for the assigned workspace via REST API. :)
Thank you very much in advance! Juergen Am Montag, den 04.01.2016, 17:11 +0100 schrieb Jörg Richter: > Hi Juergen, > > To get a list of all parent topics that are related to a given child > topic (here: ID 1234) via a "Composition" association: > > GET > /core/topic/1234/related_topics?assoc_type_uri=dm4.core.composition&m > y_role_type_uri=dm4.core.child&others_role_type_uri=dm4.core.parent > > You'll get a "result list" with an "items" array. The array contains > the parent topics, or is empty. > > While this might already satisfy your need, keep in mind that a DM > user is free to create arbitrary associations manually. The mentioned > call just navigates at instance-level. No type-definitions are > consulted. That is if the Composition association is created manually > by a user (along with Parent and Child roles), it does not > necessarily mean that it reflects an underlying **Composition > Definition** (at type-level), and thus does not necessarily mean your > (child) topic is in danger to be deleted by DM automatically. > > Actually you want to know if a topic is in danger to be deleted > automatically by DM in the course of a update/delete request bound to > one of its parents, right? This would mean you must investigate the > type definitions too. You must look in the parent topic's type > definition if an association definition (of type "Composition > Definition") with a child type that matches your given child topic's > type exists. > > To get the Topic Type definition for a given type URI (here: > dm4.notes.note): > > GET /core/topictype/dm4.notes.note > > Look in the "assoc_defs" array. > > Tell me if you need more info. > > Cheers, > Jörg > > > On Jan 4, 2016, at 13:55, Juergen Neumann wrote: > > > Dear Jörg, > > > > I am still working on my Python code for DeepaMehta. Here is my > > problem: I want to excessively reuse existing Topics. Still, if a > > Topic > > is part of a composite and associated by a composition, I cannot > > (and > > do not want) to reuse it in another context. > > > > How can I find out, where a Topic (by its ID) is being used > > (associated) and if it is part of a composition - through the Rest > > API? > > > > Thx and greets, > > > > Juergen > > > > -- > > GnuPG KeyID: CD914C6C > > Fingerprint: C1CC EF1D 1443 7279 72E7 ABDC A2DA 0328 CD91 4C6C > > > > -- > > devel mailing list > > [email protected] > > http://lists.deepamehta.de/mailman/listinfo/devel-lists.deepamehta. > > de > -- GnuPG KeyID: CD914C6C Fingerprint: C1CC EF1D 1443 7279 72E7 ABDC A2DA 0328 CD91 4C6C -- devel mailing list [email protected] http://lists.deepamehta.de/mailman/listinfo/devel-lists.deepamehta.de
