EventStore v0.11.0-rc.0 EventStore.Subscriptions.StreamSubscriptionProvider behaviour View Source

Specification to access subscription related event info from a single, or all streams

Link to this section Summary

Callbacks

Acknowledge receipt of the last seen event for the stream and subscription

Get the stream identity from the given event

Get the last ack'd event for the given subscription

Get a stream of events since the last seen, fetched in batches limited to given size

Link to this section Types

Link to this type last_seen() View Source
last_seen() :: non_neg_integer
Link to this type read_batch_size() View Source
read_batch_size() :: non_neg_integer
Link to this type stream_uuid() View Source
stream_uuid() :: String.t
Link to this type subscription_name() View Source
subscription_name() :: String.t

Link to this section Callbacks

Link to this callback ack_last_seen_event(stream_uuid, subscription_name, last_seen) View Source
ack_last_seen_event(stream_uuid, subscription_name, last_seen) ::
  :ok |
  {:error, reason :: any}

Acknowledge receipt of the last seen event for the stream and subscription

Link to this callback event_id(event) View Source
event_id(event) :: non_neg_integer

Get the stream identity from the given event.

Link to this callback last_ack(subscription) View Source
last_ack(subscription) :: non_neg_integer

Get the last ack'd event for the given subscription

Link to this callback unseen_event_stream(stream_uuid, last_seen, read_batch_size) View Source

Get a stream of events since the last seen, fetched in batches limited to given size