BaseRouterRule.

RouteSnapshot is the snapshot of Route.

AddrMetadta is address metadata, collected from a snapshot of address list by a router, if it implements Poolable.

Cache caches all addresses relevant info for a snapshot of received invokers.

Chain.

FilePriorityRouterFactory creates priority router with parse config file.

HealthChecker is used to determine whether the invoker is healthy or not.

Poolable caches address pool and address metadata for a router instance which will be used later in Router's Route.

Router.

PriorityRouterDetecter detect the router.

Extension - Router PriorityRouterFactory creates creates priority router with url.

AddrPool is an address pool, backed by a snapshot of address list, divided into categories.