photon-backend

Transport log, PhotonBackend trait, and delivery glue.

Exports

• PhotonBackend, EmbeddedBackend, BackendContext
• StoragePort, GenericPhotonBackend, InProcStoragePort
• transport, delivery, checkpoint, handler_registry

Multi-node delivery: broker-native via photon-backend-nats, photon-backend-fluvio, photon-backend-kafka. Durable single-process: photon-backend-sqlite.

Tasks

• Implement StoragePort / PhotonBackend — custom adapters; install via BackendContext
• Wire a storage port — pass Arc<dyn StoragePort> to PhotonBuilder::storage_port (see photon-runtime)

API reference: cargo doc -p uf-photon --features runtime,mem --open → Developing the backend.