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#19440 replace Scala Future usage with CompletionStage in javadsl

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This entails:

  * adding akka.pattern.PatternCS.* to enable ask etc. with
    CompletionStage
  * changing RequestContext to offer an ExecutionContextExecutor for the
    CompletionStage.*Async combinators
  * splitting up akka.stream.Queue for JavaDSL consistency
This commit is contained in:
Roland Kuhn 2016-01-21 16:37:26 +01:00
parent 396f4370e9
commit 4c72495581
118 changed files with 1646 additions and 1379 deletions
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17
akka-docs/rst/java/code/docs/http/javadsl/server/HighLevelServerBindFailureExample.java
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@ -6,32 +6,25 @@ package docs.http.javadsl.server;
//#binding-failure-high-level-example
import akka.actor.ActorSystem;
import akka.dispatch.OnFailure;
import akka.http.javadsl.model.ContentTypes;
import akka.http.javadsl.server.*;
import akka.http.javadsl.server.values.Parameters;
import akka.http.scaladsl.Http;
import scala.concurrent.Future;
import java.io.IOException;
import java.util.concurrent.CompletionStage;
@SuppressWarnings("unchecked")
public class HighLevelServerBindFailureExample {
public static void main(String[] args) throws IOException {
// boot up server using the route as defined below
final ActorSystem system = ActorSystem.create();
// HttpApp.bindRoute expects a route being provided by HttpApp.createRoute
Future<Http.ServerBinding> bindingFuture =
CompletionStage<Http.ServerBinding> bindingFuture =
new HighLevelServerExample().bindRoute("localhost", 8080, system);
bindingFuture.onFailure(new OnFailure() {
@Override
public void onFailure(Throwable failure) throws Throwable {
bindingFuture.exceptionally(failure -> {
System.err.println("Something very bad happened! " + failure.getMessage());
system.terminate();
}
}, system.dispatcher());
return null;
});
system.terminate();
}