ReceiveActor.Receive Method (Type, Action(Object), Predicate(Object))

ReceiveActorReceive Method (Type, ActionObject, PredicateObject)

Registers a handler for incoming messages of the specified messageType. If shouldHandle!=null then it must return true before a message is passed to handler.

Remarks

This method may only be called when constructing the actor or from Become(Action) or BecomeStacked(Action).

Remarks

Note that handlers registered prior to this may have handled the message already. In that case, this handler will not be invoked.

Namespace: Akka.Actor
Assembly: Akka (in Akka.dll) Version: 1.2.3.129 (1.2.3.129)

Syntax

Copy

protected void Receive(
	Type messageType,
	Action<Object> handler,
	Predicate<Object> shouldHandle = null
)

member Receive : 
        messageType : Type * 
        handler : Action<Object> * 
        ?shouldHandle : Predicate<Object> 
(* Defaults:
        let _shouldHandle = defaultArg shouldHandle null
*)
-> unit

Parameters

messageType: Type: SystemType
The type of the message
handler: Type: SystemActionObject
The message handler that is invoked for incoming messages of the specified messageType
shouldHandle (Optional): Type: SystemPredicateObject
When not null it is used to determine if the message matches.

Exceptions

Exception	Condition
InvalidOperationException	This exception is thrown if this method is called outside of the actor's constructor or from Become(Action).

Reference

ReceiveActor Class

Receive Overload

Akka.Actor Namespace