Re: ANNOUNCE: Akka Stream & HTTP 1.0 MILESTONE 5

[Reid Spencer]

Great! Thanks Roland & team. I will start next week working with akka-streams in my RxMongo implementation.

On Friday, March 27, 2015 at 5:05:12 PM UTC-4, rkuhn wrote:

Dear hakkers,

it has been four weeks since the last milestone was published, so it is high time for the next one. The user-visible changes we have been doing are getting smaller now, cleaning up a few syntax inconsistencies and a few cases where materialized values were picked according to the wrong default, so the good news is that the code base is stabilizing—the bad news is that this is not yet RC1 ;-) (I’m personally blaming ScalaDays, but on the other hand that was the fantastic kind of excuse that one just cannot be angry with.)

The main changes in this milestone are:

• fix the bug in bindAndStartHandlingWith, which is has also been renamed to bindAndHandle (for consistency with StreamTcp)

• use FlowMaterializer instead of ActorFlowMaterializer arguments where possible

• add BidirectionalFlow, which will be used by the upcoming TLS stage (not included yet, the current development state is simply too buggy)

• add variants of conditional directive taking only ETag or only Last-Modified value

• some more bug fixes, see full list of closed issues

When upgrading from milestone 4 you will notice that we have removed the overloaded variants of Source and Sink factory methods that take a name argument—the syntactic cost (the added parentheses) and complexity was not worth the gain and therefore we replaced this feature by using withAttributes on the returned graphs. Unfortunately this requires some mechanical adaptations of your source code along these lines:

1.0-M4:

  val sink: Sink[Int, Future[Int]] = Sink.head[Int]()
  val firstPair: Future[(Int, Int)] = pairs.runWith(Sink.head())

1.0-M5:

  val sink: Sink[Int, Future[Int]] = Sink.head[Int]
  val firstPair: Future[(Int, Int)] = pairs.runWith(Sink.head)

The activator templates have also been updated:

Akka Streams with Java8!

Akka Streams with Scala!

We’d like to thank all of you for testing and for providing feedback on our progress. In particular we thank Daniel Wegener, Wojciech Jurczyk, and Richard Bradley for their patches.

Happy hakking!

Dr. Roland Kuhn
Akka Tech Lead
Typesafe – Reactive apps on the JVM.
twitter: @rolandkuhn

[Roland Kuhn]

[Konrad Malawski]

We won't be splitting the release cycle (because it wins us being able to use source dependencies between http and stream modules, which allows us to move faster),

however: the next release will already mark akka-streams RC1 while akka-http will still be a Milestone. The release will be synched up in time though (in a few weeks).

On Mon, Mar 30, 2015 at 6:53 AM, 何品 <hepi...@gmail.com> wrote:

could we split akka-stream and akka-http as two separate release cycles?

在 2015年3月28日星期六 UTC+8上午5:05:12，rkuhn写道：

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Cheers,

Konrad 'ktoso' Malawski

Akka @ Typesafe