Created
October 14, 2016 06:35
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| package streams | |
| import akka.actor.ActorSystem | |
| import akka.stream._ | |
| import akka.stream.scaladsl._ | |
| import com.typesafe.config.ConfigFactory | |
| object StreamDispatchers extends App { | |
| implicit val system = ActorSystem("dispatchers", ConfigFactory.parseString( | |
| """ | |
| another { | |
| type = Dispatcher | |
| executor = "thread-pool-executor" | |
| thread-pool-executor { | |
| fixed-pool-size = 1 | |
| } | |
| } | |
| yet-another { | |
| type = Dispatcher | |
| executor = "thread-pool-executor" | |
| thread-pool-executor { | |
| fixed-pool-size = 1 | |
| } | |
| } | |
| """)) | |
| implicit val materializer = ActorMaterializer() | |
| val source = Source(0 to 200) | |
| .map { n => println("expected default: " + Thread.currentThread().getName); n } | |
| .map { n => println("expected another: " + Thread.currentThread().getName); n } | |
| .addAttributes(ActorAttributes.dispatcher("another")) | |
| .map { n => println("expected yet-another: " + Thread.currentThread().getName); n } | |
| .addAttributes(ActorAttributes.dispatcher("yet-another")) | |
| .runForeach(n => println("expected default: " + Thread.currentThread().getName)) | |
| } |
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Sample output: