Struct BackendRegistry 

pub struct BackendRegistry { /* private fields */ }

In-memory table of verified backend handles.

Implementations

impl BackendRegistry

pub fn new() -> Self

Create an empty registry.

pub fn len(&self) -> usize

Number of registered backend handles.

pub fn is_empty(&self) -> bool

Return true when the registry has no entries.

pub fn insert( &mut self, instance: BrokerInstanceKey, handle: BackendHandle, ) -> Option<BackendHandle>

Insert or replace one verified backend handle.

pub fn get( &self, instance: &BrokerInstanceKey, service_name: &str, service_version: &str, ) -> Option<&BackendHandle>

Return one handle by exact instance/service/version key.

pub fn iter(&self) -> impl Iterator<Item = (&BackendKey, &BackendHandle)>

Iterate over all registered backend handles.

pub fn prune_stale(&mut self) -> Vec<BackendKey>

Remove backend handles whose verified process is no longer alive.

Returns the removed keys so the lifecycle monitor can emit events, metrics, or diagnostics after the registry mutation is complete.

pub fn registered_backend_for( &self, instance: &BrokerInstanceKey, service_definition: &ServiceDefinition, service_version: &str, ) -> Option<RegisteredBackend>

Return Hello negotiation metadata for one registered backend.

Trait Implementations

impl Default for BackendRegistry

fn default() -> BackendRegistry

Returns the “default value” for a type.