921554f410
Port IStreamStore, IConsumerStore, StoreMsg, StreamState, SimpleState, ConsumerState, FileStoreConfig, StoreCipher, StoreCompression types. Rename Models.StreamState → ApiStreamState to avoid namespace conflict.
57 lines
2.1 KiB
C#
57 lines
2.1 KiB
C#
using NATS.Server.JetStream.Models;
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using StorageType = NATS.Server.JetStream.Models.StorageType;
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namespace NATS.Server.JetStream.Storage;
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// Go: server/store.go:357
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/// <summary>
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/// Persists and retrieves durable consumer state: delivery progress, ack floor,
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/// pending messages, and redelivery counts. One store instance per consumer.
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/// Mirrors Go's ConsumerStore interface.
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/// </summary>
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public interface IConsumerStore
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{
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// Go: ConsumerStore.SetStarting — initialise the starting stream sequence for a new consumer
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void SetStarting(ulong sseq);
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// Go: ConsumerStore.UpdateStarting — update the starting sequence after a reset
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void UpdateStarting(ulong sseq);
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// Go: ConsumerStore.Reset — reset state to a given stream sequence
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void Reset(ulong sseq);
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// Go: ConsumerStore.HasState — returns true if any persisted state exists
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bool HasState();
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// Go: ConsumerStore.UpdateDelivered — record a new delivery (dseq=consumer seq, sseq=stream seq,
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// dc=delivery count, ts=Unix nanosecond timestamp)
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void UpdateDelivered(ulong dseq, ulong sseq, ulong dc, long ts);
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// Go: ConsumerStore.UpdateAcks — record an acknowledgement (dseq=consumer seq, sseq=stream seq)
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void UpdateAcks(ulong dseq, ulong sseq);
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// Go: ConsumerStore.Update — overwrite the full consumer state in one call
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void Update(ConsumerState state);
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// Go: ConsumerStore.State — return a snapshot of current consumer state
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ConsumerState State();
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// Go: ConsumerStore.BorrowState — return state without copying (caller must not retain beyond call)
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ConsumerState BorrowState();
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// Go: ConsumerStore.EncodedState — return the binary-encoded state for replication
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byte[] EncodedState();
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// Go: ConsumerStore.Type — the storage type backing this store (File or Memory)
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StorageType Type();
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// Go: ConsumerStore.Stop — flush and close the store without deleting data
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void Stop();
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// Go: ConsumerStore.Delete — stop the store and delete all persisted state
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void Delete();
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// Go: ConsumerStore.StreamDelete — called when the parent stream is deleted
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void StreamDelete();
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}
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