EntityRef

java.lang.Object
- akka.cluster.sharding.typed.javadsl.EntityRef<M>

All Implemented Interfaces:

RecipientRef<M>

Direct Known Subclasses:

EntityRefImpl
```
public abstract class EntityRef<M>
extends java.lang.Object
implements RecipientRef<M>
```
Send a message to the entity referenced by this EntityRef using *at-most-once* messaging semantics.

Nested Class Summary
- Nested classes/interfaces inherited from interface akka.actor.typed.RecipientRef
  RecipientRef.RecipientRefOps<T>, RecipientRef.RecipientRefOps$

Constructor Summary

Constructors
Constructor Description

EntityRef()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract <U> java.util.concurrent.CompletionStage<U>`	`ask(Function<ActorRef<U>,M> message, Timeout timeout)`	Allows to "ask" the `EntityRef` for a reply.
`EntityRef<M>`	`asScala()`	INTERNAL API
`abstract void`	`tell(M msg)`	Send a message to the destination referenced by this `RecipientRef` using at-most-once messaging semantics.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - EntityRef
```
public EntityRef()
```
- Method Detail
  - asScala
```
public EntityRef<M> asScala()
```
    INTERNAL API
    
    Returns:
    
    (undocumented)
  - ask
```
public abstract <U> java.util.concurrent.CompletionStage<U> ask(Function<ActorRef<U>,M> message,
                                                                Timeout timeout)
```
    Allows to "ask" the EntityRef for a reply. See AskPattern for a complete write-up of this pattern
    Note that if you are inside of an actor you should prefer akka.actor.typed.javadsl.ActorContext.ask as that provides better safety.
    
    Parameters:
    
    message - (undocumented)
    
    timeout - (undocumented)
    
    Returns:
    
    (undocumented)
  - tell
```
public abstract void tell(M msg)
```
    Description copied from interface: RecipientRef
    
    Send a message to the destination referenced by this RecipientRef using *at-most-once* messaging semantics.
    
    Specified by:
    
    tell in interface RecipientRef<M>
    
    Parameters:
    
    msg - (undocumented)