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Subject: Re: [cti] Question Gathering: Relationship Preservation in Versioning (Implicit vs Explicit)
Marlon - a new version of an object for attribute fields changes should not lose all relationships from the previous version. Removal of a relationship for implicit relationship is by marking the relationship as ‘ended’. I have suggested that there is are two timestamps a) occurred (or updated) - where the timestamp is when the relationship was created b) ended - where the ended timestamp is when the relationship is no longer active I was proposing that these timestamps may be best in a common base class as these two timestamps are important for sightings also. allan > On Mar 18, 2016, at 4:36 PM, marlon.taylor@us-cert.gov wrote: > > Hi All, > > Relationship Preservation (aka Implicit Relationships vs Explicit Relationship) is a pivoting point within the versioning topic. > > With Implicit Relationships - as a version is updated, the relationships of the former as passed along to the latter. > With Explicit Relationships - as a version is updated, it is new with no prior relationships. > > Arguably one can state they both can result in a version update where the relationships of the former exist in the latter. > > Separating specification scope from implementation, I would like to gather a series of questions to help us better understand the differences between these concepts. I'm hoping this thread will serve as a venue for members to post their questions on the topic and that the TC/SC/mini-groups/etc would be able to provide answers to those questions, possibly in a FAQ. > > I'll start: > > Using the Implicit Relationship approach, how could one remove a preserved relationship? > > -Marlon > > --------------------------------------------------------------------- > To unsubscribe from this mail list, you must leave the OASIS TC that > generates this mail. Follow this link to all your TCs in OASIS at: > https://www.oasis-open.org/apps/org/workgroup/portal/my_workgroups.php >
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