Crate atomr_distributed_data 

atomr-distributed-data. akka.net: src/contrib/cluster/Akka.DistributedData.

Provides CRDTs (GCounter, PNCounter, GSet, ORSet, LWWRegister, Flag, ORMap, LWWMap, PNCounterMap) and a Replicator that stores them in-memory and merges on request.

Structs

FileDurableStore

Append-only file-backed store. Keys live as <dir>/<sanitized>.bin.

Flag

GCounter

GSet

LWWMap

Last-write-wins map of K → V.

LwwRegister

NoopDurableStore

In-memory no-op implementation. Used when durability is disabled.

ORMap

Observed-remove map of K → V (V itself a CRDT).

ORMultiMap

Map of K → set-of-V, where the set is itself an OrSet<V>. Akka.DistributedData’s ORMultiMap. Phase 8.B.

OrSet

Observed-remove set. Each addition gets a unique tag; a removal retains all tags seen at that moment. Merge takes the union of (item, tag) pairs minus tombstones.

PNCounter

PNCounterMap

Map of K → PNCounter.

Replicator

ReplicatorActor

Actor-style replicator handle.

SubscriptionToken

RAII handle returned by Replicator::subscribe.

Enums

ReadConsistency

ReplicatorAck

Tagged response payloads for ReplicatorActor commands.

ReplicatorError

WriteConsistency

Phase 8.D — typed consistency levels with timeouts. The current in-process Replicator runs every operation as Local (single-node store); cross-node All/Majority/From(n) semantics activate once Phase 6 gossip lands.

Traits

CrdtMerge

Convergent replicated data type merge semantics.

DeltaCrdt

Optional delta-CRDT layer: emit a small “delta” describing the last local change and merge incoming deltas into the full state.

DurableStore

Abstraction over a durable backing store. Methods are sync so they can be called from anywhere (including the replicator actor task); implementations should keep work small or punt to a worker thread.