Struct MongoEventRepository 

pub struct MongoEventRepository { /* private fields */ }

An event repository using MongoDB for persistence.

Implementations

impl MongoEventRepository

pub async fn new(client: Client) -> Result<Self>

Creates a new MongoEventRepository with the default collection names and default streaming channel size.

pub fn with_collection_names( self, event_collection: &str, snapshot_collection: &str, ) -> Self

Configures a MongoEventRepository to use custom collection names.

Defaults:

• event_collection: “events”
• snapshot_collection: “snapshots”

pub fn with_streaming_channel_size(self, stream_channel_size: usize) -> Self

Configures a MongoEventRepository to use a custom streaming channel size.

Default: 200

Trait Implementations

impl PersistedEventRepository for MongoEventRepository

async fn get_events<A: Aggregate>( &self, aggregate_id: &str, ) -> Result<Vec<SerializedEvent>, PersistenceError>

Returns all events for a single aggregate instance.

async fn get_last_events<A: Aggregate>( &self, aggregate_id: &str, last_sequence: usize, ) -> Result<Vec<SerializedEvent>, PersistenceError>

Returns the last events for a single aggregate instance.

async fn get_snapshot<A: Aggregate>( &self, aggregate_id: &str, ) -> Result<Option<SerializedSnapshot>, PersistenceError>

Returns the current snapshot for an aggregate instance.

async fn persist<A: Aggregate>( &self, events: &[SerializedEvent], snapshot_update: Option<(String, Value, usize)>, ) -> Result<(), PersistenceError>

Commits the updated aggregate and accompanying events.

async fn stream_events<A: Aggregate>( &self, aggregate_id: &str, ) -> Result<ReplayStream, PersistenceError>

Streams all events for an aggregate instance.

async fn stream_all_events<A: Aggregate>( &self, ) -> Result<ReplayStream, PersistenceError>

Streams all events for an aggregate type.