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Posted to dev@polygene.apache.org by "Niclas Hedhman (JIRA)" <ji...@apache.org> on 2015/07/12 10:35:04 UTC

[jira] [Created] (ZEST-95) Entity = Identity + Value

Niclas Hedhman created ZEST-95:
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             Summary: Entity = Identity + Value
                 Key: ZEST-95
                 URL: https://issues.apache.org/jira/browse/ZEST-95
             Project: Zest
          Issue Type: Sub-task
            Reporter: Niclas Hedhman
             Fix For: 3.0


By viewing an Entity as a composite of an Immutable Identity and a single Value, we end up with easier transactional semantics, and a generic "Merge" facility could be created.
For Entities with a lot of properties, where only a small number change each time, we would recommend that the static part and the dynamic part are implemented as two sub-entities, or a main entity with all static bits and a sub-entity with the changing data.



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