Did you mean CARS?
There are many examples out there. This page will be used to collect them. If you have a sample, feel free to submit it to be placed here.
Mark Nijhof’s (C#) example
Simple CQRS (C#) example
Lottery Example (Xebia, Java)
Carl Horberg Bank Simplistic (Ruby)
nCQRS (C#) Framework + Example
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I’ve been building a small example since the introduction of the nCQRS framework. It uses Silverlight 4, NCQRS and Caliburn Micro. See http://thecqrskitchen.codeplex.com/
Are you still planning to maintain the Silverlight Cookbook codeplax example? It’s looking great but the checked in version has files missing and does not compile.
There’re two more frameworks (.Net):
http://agrcqrs.codeplex.com/ by Jan Willem Boer
http://code.google.com/p/lokad-cqrs/ by Rinat Abdullin
There is a framework for Java, that also has a sample application: Axon Framework. See http://www.axonframework.org for more information.
I put this gist up a while back which shows a very simple Event Sourcing example, but using Java 1.4 (no generics, annotations, UUID’s, etc…)
It’s a very, very simple example, only deals with the command handling side, and is purely test driven (in the sense that there is no other client than the tests).
Oh yeah, the link: http://gist.github.com/481220
The author name of BankSimplistic is wrong. It’s actually “Luismi Cavallé”
I’ve created a C# CQRS-EventSourcing sample using Jonathan Oliver’s EventStore, NanoMessageBus, CommonDomain and StorageAccess projects.
The sample is hosted here https://github.com/etishor/CQRSEventSourcingSample , it models two separate domains and i plan to add other cases to demonstrate how to apply DDD backed by event sourcing.
I can’t say i have very much experience with CQRS/ES and i would very much like to hear what others think about the sample.
Hi, I would like to invite to check our Java DDD+CqRS “Leaven” (more than sample but definitely not a framework): http://code.google.com/p/ddd-cqrs-sample/.
Project is in Beta M1 version.
Project is implemented in Java using Spring and Hibernate juts to do not reinvent their sweet spots.
Main goals are:
- present all DDD Building Blocks and advanced techniques (including Bounded Context, time modeling using Sagas) illustrated in nontrivial way
- present evolutionary approach to the layered architecture – different levels of CqRS
- present complete development process based on BDD (JBehave, Selenium)
You can find: quite a lot of wiki docs, over 150 classes (and growing), scalable visualizations that present both overall architectural concept and design and impl details.
Has anyone seen any Python examples of CQRS?
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