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domaindrivendesign · Domain-Driven Design

Group Information

  • Members: 3313
  • Category: Software
  • Founded: Sep 27, 2002
  • Language: English
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Activity within 7 days:

17 New Members - 156 New Messages

Description

This group is for discussion of the domain-driven style of designing software, and the book by Eric Evans, Domain-Driven Design: Tackling Complexity in the Heart of Business Software. Questions and discussion of the book content is welcome here, as well as sharing of experiences applying DDD, and discussions of the topic in general.

More information is available at http://domaindrivendesign.org

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Re: CQRS and error handling
The client does not publish - it sends. The command side of the server is the one which publishes after it has successfully processed a command. The query side
Posted - Sat Nov 21, 2009 7:19 pm
Udi Dahan
udidahan7
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Re: A possible solution for uniqueness validation in CQS
The simplest thing to do is have the service layer which manages the transaction catch the unique constraint exception thrown by the database and not deal with
Posted - Sat Nov 21, 2009 7:16 pm
Udi Dahan
udidahan7
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Re: How to pass reference to Entity or AR?
Doesn't DDD specify that Entities have an Id, but these Id's only have to be unique within the Aggregate where the Id's of AR should be unique within the
Posted - Sat Nov 21, 2009 5:18 pm
Mark Nijhof
mark.nijhof
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Re: How to pass reference to Entity or AR?
I believe that: - An Aggregate cannot hold an object reference to an Entity or AR in an other Aggregate - An Entity or AR can only have a Id reference to an
Posted - Sat Nov 21, 2009 5:09 pm
Mark Nijhof
mark.nijhof
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Re: How to pass reference to Entity or AR?
... For interactions between domain objects in the same bounded context, there's no need to introduce IDs. However, IDs are needed when going across layers of
Posted - Sat Nov 21, 2009 4:10 pm
Dan Haywood
danhaywood...
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 949 889 692 749 744 284 756 217 259 761 776
2008 304 190 177 188 170 204 190 227 251 261 404 252
2007 190 166 165 119 149 119 165 94 83 231 196 155
2006 187 228 171 99 143 40 135 154 162 119 77 120
2005 103 87 88 118 120 74 98 114 126 96 94 140
2004 185 238 58 190 74 140 101 43 134 53 131 133
2003 1 4 1 3 30 11 19 31 42 107 33
2002 7 9 7

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