New Github account25 Feb 2011 | net | comments | edit
I’ve opened a Github account where i keep some stuff I've been playing with recently. At the moment is mostly related to doing DDD with CQRS and Event Sourcing.
I’ve created a sample project to demonstrate the concepts. Here is a short description of the sample:
Sample project demonstrating CQRS & Event Sourcing
The sample uses the following projects from Jonathan Oliver
For more information on CQRS and Event Sourcing http://cqrsinfo.com/
A short description of the projects in the sample:
a. Write Side
1. Sample.DomainModel - the domain model for the sample - this model is persisted using event sourcing and does not need to handle reads ( queries ) since they are done on the read side. - the resulting event stream is the "source of truth" data. 2. Sample.AppService - the handlers for the commands our domain knows to execute 3. Sample.AppServiceHost - infrastructure for wiring up the command handlers to NanoServiceBus - this is the actual instance of the service that needs to be running for the write side to process commands.
b. Read Side
1. Sample.ReadModel - the read model on witch queries are executed - this model should be mapped as close as possible to the views - this model can be regenerated from the event stream 2. Sample.Denormalizer - the event handlers for the domain events that are published by the DomainModel on the Write Side - this handlers keep the read model in sync with the event stream - a better name for it is welcome 3. Sample.DenormalizerHost - infrastructure for wiring up the event handlers to NanoServiceBus - this process needs to run for the read side to be updated.
1. Sample.Messages - definitions for commands and events that are handled or published by the Domain Model 2. Sample.Client.Web - ASP.NET MVC3 application that demonstrates how to integrate the Write Side & the Read Side in an application.
- Add more complex objects to the domain
- Review transaction management on integration points
- use ConfOrm for mapping the read model
I’d be glad if other shared their comments on the code there.