Category Design Patterns

Event-driven Architecture (EDA) is a software architecture paradigm promoting the production and consumption of events. An event represents an action of significant interest. Often, events correspond to a creation or a change of state of some entity. For example, raising an order in…

Instead of storing just the current state of the data in a domain, use an append-only store to record the full series of actions taken on that data. The store acts as the system of record and can be used…