Ilia Denisov
21 lines
920 B
Go
21 lines
920 B
Go
package ports
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import "context"
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// StreamOffsetStore persists the last successfully processed Redis
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// Stream entry id per stream. Workers call Load on startup to resume
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// from the persisted offset and Save after every successful message
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// handling so the next iteration advances past the just-processed
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// entry. Lobby uses one logical store with the per-stream key encoded
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// inside the implementation.
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type StreamOffsetStore interface {
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// Load returns the last processed entry id for stream when one is
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// stored. The boolean return reports whether a value was present;
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// implementations must not return an error for a missing key.
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Load(ctx context.Context, stream string) (entryID string, found bool, err error)
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// Save stores entryID as the new last processed offset for stream.
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// Implementations overwrite any previous value unconditionally.
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Save(ctx context.Context, stream, entryID string) error
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}
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