package router

import (
	"git.hpds.cc/Component/network/frame"
	"git.hpds.cc/Component/network/metadata"
)

// Router is the interface to manage the routes for applications.
type Router interface {
	// Route gets the route
	Route(metadata metadata.Metadata) Route
	// Clean the routes.
	Clean()
}

// Route manages data subscribers according to their observed data tags.
type Route interface {
	// Add a route.
	Add(connId string, name string, observeDataTags []frame.Tag) error
	// Remove a route.
	Remove(connId string) error
	// GetForwardRoutes returns all the subscribers by the given data tag.
	GetForwardRoutes(tag frame.Tag) (streamIds []string)
}