Module event_store 

EventStore trait and the in-process [InMemoryEventStore] implementation.

The engine defines only the trait. The production implementation is [SlateDbStore][crate::store_slatedb::SlateDbStore], enabled by the slatedb feature flag. [InMemoryEventStore] is included here for tests, spikes, and development without external dependencies.

Structs

AppendResult

Metadata returned after a successful EventStore::append.

Enums

ExpectedVersion

Optimistic concurrency control contract for EventStore::append.

Traits

AtomicAppend

Extension of EventStore that atomically appends events and enqueues outbox messages in a single write operation.

EventStore

Append-only, ordered event stream storage contract.