25 lines
609 B
Scala
25 lines
609 B
Scala
package docs.stream.cookbook
|
|
|
|
import akka.NotUsed
|
|
import akka.stream.ClosedShape
|
|
import akka.stream.scaladsl._
|
|
import akka.util.ByteString
|
|
|
|
class RecipeKeepAlive extends RecipeSpec {
|
|
|
|
"Recipe for injecting keepalive messages" must {
|
|
|
|
"work" in {
|
|
val keepaliveMessage = ByteString(11)
|
|
|
|
//#inject-keepalive
|
|
import scala.concurrent.duration._
|
|
val injectKeepAlive: Flow[ByteString, ByteString, NotUsed] =
|
|
Flow[ByteString].keepAlive(1.second, () => keepaliveMessage)
|
|
//#inject-keepalive
|
|
|
|
// No need to test, this is a built-in stage with proper tests
|
|
}
|
|
}
|
|
|
|
}
|