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Subscribe to a stream from a specified start position #17

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slashdotdash opened this issue Oct 4, 2016 · 0 comments
Closed

Subscribe to a stream from a specified start position #17

slashdotdash opened this issue Oct 4, 2016 · 0 comments
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enhancement

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@slashdotdash
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slashdotdash commented Oct 4, 2016 •
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Allow subscriptions to a single stream, or all streams, to optionally specify a given start position.

  • :origin - subscribe to events from the start of the stream (identical to using 0). This is the current behaviour and will remain the default.
  • :current - subscribe to events from the current version.
  • version - provide an exact stream version to subscribe from.

Subscribe to a single stream

subscribe_to_stream(stream_uuid, subscription_name, subscriber, :origin)  # same as using 0
subscribe_to_stream(stream_uuid, subscription_name, subscriber, :current)

stream_version = 1234
subscribe_to_stream(stream_uuid, subscription_name, subscriber, stream_version)

Subscribe to all streams

subscribe_to_all_streams(subscription_name, subscriber, :origin)  # same as using 0
subscribe_to_all_streams(subscription_name, subscriber, :current)

last_seen_event_id = 1234
subscribe_to_all_streams(subscription_name, subscriber, last_seen_event_id)
@slashdotdash slashdotdash changed the title Subscribe to a stream from a specified position Subscribe to a stream from a specified start position Dec 19, 2016
slashdotdash added a commit that referenced this issue Dec 19, 2016
@slashdotdash
Subscribe to a stream from a specified position
23f0d7a 
Fixes #17.

Allow subscriptions to a single stream, or all streams, to optionally
specify a given start position.

- `:origin` - subscribe to events from the start of the stream
(identical to using 0). This is the default behaviour.
- `:current` - subscribe to events from the current version.
- stream version or event id - provide an exact stream version (single
stream), or last seen event id (all stream), to subscribe from.
@slashdotdash slashdotdash mentioned this issue Dec 19, 2016
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