Domain-Driven Design Community

... and search behavior which emulates a collection of objects. Problem: A client needs a practical means of acquiring ... into queries and client code, and the Entities and Value Object s become mere data containers. The sheer technical complexity of ...

Wiki page - Vladimir Gitlevich - 09/14/2011 - 21:59 - 0 comments

... the responsibility of any of the obvious Entities or Value Objects , and their variety and combinations can overwhelm the basic meaning ...

Wiki page - Vladimir Gitlevich - 09/27/2010 - 23:28 - 0 comments

Definition: A cluster of associated objects that are treated as a unit for the purpose of data changes. External ... is difficult to guarantee the consistency of changes to objects in a model with complex associations. Invariants need to be maintained ... [DDD, p. 126] Solution: Cluster the Entities and Value Objects into Aggregates and define boundaries around each. Choose one ...

Wiki page - Vladimir Gitlevich - 09/27/2010 - 19:44 - 0 comments

... Domain-Driven Design Book Definition: A Value Object is an object that describes some characteristic or attribute but ... Entities is essential, but attaching identity to other objects can hurt system performance, add analytical work, and muddle the model ...

Wiki page - Vladimir Gitlevich - 02/14/2011 - 23:45 - 0 comments

... not currently active, it is still useful as a library of value objects based on a model of two important generic subdomains. ...

Page - Vladimir Gitlevich - 01/04/2011 - 22:30 - 0 comments

... and easy to use Buying walk in tubs imply that you value safety in the bathroom. As such, you might as well purchase other ... Showers Fit Once upon a time, cellphones were gigantic objects as huge as bricks that only important people carry around in order to ...

Forum topic - glassworld6p - 03/20/2012 - 10:52 - 0 comments - 0 attachments

... Design Book Aggregate A cluster of associated objects that are treated as a unit for the purpose of data changes. External ... original developer's purpose in creating them and their value to a client developer. Invariant An Assertion about some design ...

Page - Vladimir Gitlevich - 05/16/2009 - 12:25 - 0 comments

... her a few times,A,other ki,d of xa,adu The author: batma, objects Writi,g a ,ovel is ,eed frowsty coquettish type, first or do,'t give him pressure, immediately historical archives value, qi, for was tha,kful to fi,d the right place: with the traffic problem, ...

Forum topic - cxcoxxpu - 01/12/2012 - 03:49 - 0 comments - 0 attachments

... idea was to make it easier to write and reuse parts of objects, such as mixins, which in itself is an example of being quick rather ... that make sense to put in a framework, such as Entity, Value, Service, Module, Layer, Application, and so on, are all available in the ...

Story - Vladimir Gitlevich - 10/01/2011 - 14:01 - 0 comments - 0 attachments

... Some concepts from the domain aren't natural to model as objects. Forcing the required domain functionality to be the responsibility of an Entity or Value Object either distorts the definition of a model-based object or adds ...

Wiki page - Vladimir Gitlevich - 09/27/2010 - 23:38 - 0 comments