implement-hexagonal-adapter

Hexagonal architecture adapters are implemented by wiring reactive port contracts to concrete technology adapters within the Firefly Framework. This pattern ensures adapters translate between domain DTOs and technology SDKs while maintaining testable isolation.

Conditional adapter auto-configuration uses Spring configuration to activate the correct adapter and gracefully degrade with NoOp fallbacks when a provider is unavailable. This enables safe, incremental integration for multi-port modules.

Isolated testing for hexagonal adapters uses stub and NoOp strategies to verify wiring, error handling, and diagnostics. This ensures concrete technology adapters remain testable without requiring live external dependencies.

Managing multiple ports involves defining reactive port interfaces and using an adapter registry with selector patterns. The Firefly Framework supports adapter discovery and registration to handle multi-port modules effectively.

Adapter registration relies on auto-configuration that gracefully degrades using NoOp fallbacks when a provider is unavailable. Ensure your firefly configuration properly maps the concrete adapter to avoid activation failures.

Configuring a concrete adapter involves setting up the technology SDK connection and enabling it via firefly configuration. This triggers automatic activation where the adapter implements the reactive port contracts.