EventSourcing101

Actual running code* of an event sourced domain model (*as compared to the snippets fed by most ES pundits)

Features demonstrated

• DDD appropriate repository implementation
• Append / Apply pattern within the domain model
• Application of facts to child entities of an aggregate
• Read models
• Domain event handlers participating in a unit of work
• Some basic approval tests to guide the shape of the domain

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Features not demonstrated

• Fact storage (simple to wire up with NEventStore + RavenDb)
• Merging fact streams
• Resolution of concurrency issues