3
votes
1answer
109 views

Use a custom value object or a Guid as an entity identifier in a distributed system?

tl;dr I've been told that in domain-driven design, an identifier for an entity could be a custom value object, i.e. something other than Guid, string, int, etc. Can this really be advisable in a ...
-2
votes
1answer
286 views

DDD/SOA Using .NET Message pattern(s) / Request Response with File Saving [closed]

I've done some research on this but I can't find more specific examples to help me with this. I'm new to SOA/Patterns in general please take it easy... :) Can you display an example of using the ...
2
votes
2answers
273 views

DDD - Domain Object calling a web service

Is it ok to call a webservice from a Domain object?. As I write the question I am thinking that you should never do that, as it is poor design, but the situation is the following: I have a domain ...
1
vote
1answer
375 views

Is there a clean separation of my layers with this attempt at Domain Driven Design in XAML and C#

I'm working on an application. I'm using a mixture of TDD and DDD. I'm working hard to separate the layers of my application and that is where my question comes in. My solution is laid out as ...
8
votes
4answers
3k views

Is it bad practice for services to share a database in SOA?

I have recently been reading Hohpe and Woolf's Enterprise Integration Patterns, some of Thomas Erl's books on SOA and watching various videos and podcasts by Udi Dahan et al. on CQRS and Event Driven ...
8
votes
1answer
1k views

Architecting a modular service application

I'm looking at architecting a new solution that is very modular by nature and would like to create a structure that supports that design to allow for easy future expansion, clear separation of ...