Create the actual router, responsible for routing messages to routees.
Create the actual router, responsible for routing messages to routees.
the ActorSystem this router belongs to
Dispatcher ID to use for running the “head” actor, which handles supervision, death watch and router management messages
Is the message handled by the router head actor or the #routingLogicController actor.
Possibility to define an actor for controlling the routing logic from external stimuli (e.g.
Possibility to define an actor for controlling the routing logic from external stimuli (e.g. monitoring metrics). This actor will be a child of the router "head" actor. Management messages not handled by the "head" actor are delegated to this controller actor.
Check that everything is there which is needed.
Check that everything is there which is needed. Called in constructor of RoutedActorRef to fail early.
Overridable merge strategy, by default completely prefers this
(i.e.
Overridable merge strategy, by default completely prefers this
(i.e. no merge).
This trait represents a router factory: it produces the actual router actor and creates the routing table (a function which determines the recipients for each message which is to be dispatched). The resulting RoutedActorRef optimizes the sending of the message so that it does NOT go through the router’s mailbox unless the route returns an empty recipient set.
Caution: This means that the route function is evaluated concurrently without protection by the RoutedActorRef: either provide a reentrant (i.e. pure) implementation or do the locking yourself!
Caution: Please note that the akka.routing.Router which needs to be returned by
createActor()
should not send a message to itself in its constructor orpreStart()
or publish its self reference from there: if someone tries sending a message to that reference before the constructor of RoutedActorRef has returned, there will be aNullPointerException
!