cqrs-0.3.0: Command-Query Responsibility Segregation

Data.CQRS.Event

Description

Event type class. All events that can be applied to aggregate roots are required have an instance for this class.

Synopsis

Documentation

class Event e whereSource

Event class.

Methods

encodeEvent :: e -> ByteStringSource

Encode event into a strict ByteString.

decodeEvent :: ByteString -> eSource

Decode event from a strict ByteString. To avoid corrupt event stores, any events that have ever been stored {b must} be decodable for all time.