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Akka29924 router pool bcast (#29927)

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eyal farago 2021-01-11 16:08:56 +02:00 • committed by GitHub
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akka-docs/src/main/paradox/typed/routers.md
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@ -62,6 +62,17 @@ Scala
Java
: @@snip [RouterTest.java](/akka-actor-typed-tests/src/test/java/jdocs/akka/typed/RouterTest.java) { #pool-dispatcher }
### Broadcasting a message to all routees
Pool routers can be configured to identify messages intended to be broad-casted to all routees.
Therefore, the `PoolRouter` has a property to configure its `broadcastPredicate`:
Scala
: @@snip [RouterSpec.scala](/akka-actor-typed-tests/src/test/scala/docs/akka/typed/RouterSpec.scala) { #broadcast }
Java
: @@snip [RouterTest.java](/akka-actor-typed-tests/src/test/java/jdocs/akka/typed/RouterTest.java) { #broadcast }
## Group Router
The group router is created with a `ServiceKey` and uses the receptionist (see @ref:[Receptionist](actor-discovery.md#receptionist)) to discover