raboof/pekko
1
0
Fork 0
Code Issues Pull requests Projects Releases 6 Packages Wiki Activity Actions 11

avoid wrapping messages when ask returns single type

Browse source
This commit is contained in:
Roland 2013-02-03 23:13:57 +01:00
parent 859589b9d4
commit 9b0c3a486f
5 changed files with 106 additions and 44 deletions
Download patch file Download diff file Expand all files Collapse all files

22
akka-docs/rst/scala/code/docs/channels/ChannelDocSpec.scala
View file

@ -57,10 +57,12 @@ class ChannelDocSpec extends AkkaSpec {
import ChannelDocSpec._
class MsgA
class MsgB
class MsgC
class MsgD
trait Msg
class MsgA extends Msg
class MsgB extends Msg
class MsgC extends Msg
class MsgD extends Msg
"demonstrate why Typed Channels" in {
def someActor = testActor
@ -115,6 +117,7 @@ class ChannelDocSpec extends AkkaSpec {
implicit val timeout: Timeout = ??? // for the ask operations
val channelA: ChannelRef[(MsgA, MsgB) :+: TNil] = ???
val channelA2: ChannelRef[(MsgA, MsgB) :+: (MsgA, MsgC) :+: TNil] = ???
val channelB: ChannelRef[(MsgB, MsgC) :+: TNil] = ???
val channelC: ChannelRef[(MsgC, MsgD) :+: TNil] = ???
@ -127,12 +130,15 @@ class ChannelDocSpec extends AkkaSpec {
channelA <-!- fA // eventually send the future’s value to channelA
fA -!-> channelA // same thing as above
// ask the actor; return type given in full for illustration
val fB: Future[WrappedMessage[(MsgB, Nothing) :+: TNil, MsgB]] = channelA <-?- a
val fBunwrapped: Future[MsgB] = fB.lub
val fB: Future[MsgB] = channelA <-?- a // ask the actor
a -?-> channelA // same thing as above
// ask the actor with multiple reply types
// return type given in full for illustration
val fM: Future[WrappedMessage[ //
(MsgB, Nothing) :+: (MsgC, Nothing) :+: TNil, Msg]] = channelA2 <-?- a
val fMunwrapped: Future[Msg] = fM.lub
channelA <-?- fA // eventually ask the actor, return the future
fA -?-> channelA // same thing as above