ExESDB.Commanded.Adapter.StreamHelper (ex_esdb_commanded v0.1.0)
Helper functions for stream operations and subscription type detection.
Summary
Functions
Determines if a stream subscription should be allowed based on the stream type. Allows
Maps ExESDB error responses to Commanded error format.
Normalizes Commanded expected versions to ExESDB expected versions.
Converts start_from parameter to version number for ExESDB.
Extracts store configuration from adapter metadata.
Extracts stream prefix from adapter metadata.
Converts a stream identifier to subscription type and selector.
Functions
Determines if a stream subscription should be allowed based on the stream type. Allows:
- $all streams (global) - aggregates should subscribe to this and filter by stream_id
- Event type streams ($et-*) - for projection systems
Blocks:
- Individual stream subscriptions to prevent creating separate emitters per aggregate
Maps ExESDB error responses to Commanded error format.
Normalizes Commanded expected versions to ExESDB expected versions.
Converts start_from parameter to version number for ExESDB.
Extracts store configuration from adapter metadata.
Extracts stream prefix from adapter metadata.
Converts a stream identifier to subscription type and selector.