EventSourcingArchitekturen
Event sourcing is a software architectural pattern in which all changes to an application’s state are stored as a sequence of domain events. Instead of persisting the final state, an event store records each event in an append-only log. Events are immutable facts about what happened, such as OrderPlaced or ItemShipped. The current state is reconstructed by replaying the stored events from an initial state, optionally applying snapshots to optimize performance.
Key concepts include aggregates that enforce business invariants, domain events that capture state changes, and projects
Benefits include full auditability and traceability, the ability to reconstruct past states, time-based queries, and improved
Drawbacks include added complexity, eventual consistency between event stores and read models, and the need for