#19440 replace Scala Future usage with CompletionStage in javadsl

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

View file

@ -3,10 +3,9 @@
*/
package docs.stream.io;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.CompletionStage;
import akka.Done;
import akka.actor.ActorSystem;
@ -15,7 +14,6 @@ import akka.stream.io.IOResult;
import akka.stream.javadsl.Sink;
import akka.stream.javadsl.FileIO;
import docs.stream.SilenceSystemOut;
import docs.stream.cookbook.RecipeParseLines;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
@ -56,10 +54,10 @@ public class StreamFileDocTest {
try {
//#file-source
Sink<ByteString, Future<Done>> printlnSink =
Sink.foreach(chunk -> System.out.println(chunk.utf8String()));
Sink<ByteString, CompletionStage<Done>> printlnSink =
Sink.<ByteString> foreach(chunk -> System.out.println(chunk.utf8String()));
Future<IOResult> ioResult =
CompletionStage<IOResult> ioResult =
FileIO.fromFile(file)
.to(printlnSink)
.run(mat);
@ -74,7 +72,7 @@ public class StreamFileDocTest {
final File file = File.createTempFile(getClass().getName(), ".tmp");
try {
Sink<ByteString, Future<IOResult>> fileSink =
Sink<ByteString, CompletionStage<IOResult>> fileSink =
//#custom-dispatcher-code
FileIO.toFile(file)
.withAttributes(ActorAttributes.dispatcher("custom-blocking-io-dispatcher"));

View file

@ -3,6 +3,7 @@
*/
package docs.stream.io;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.ConcurrentLinkedQueue;
import akka.NotUsed;
@ -60,14 +61,14 @@ public class StreamTcpDocTest {
{
//#echo-server-simple-bind
// IncomingConnection and ServerBinding imported from Tcp
final Source<IncomingConnection, Future<ServerBinding>> connections =
final Source<IncomingConnection, CompletionStage<ServerBinding>> connections =
Tcp.get(system).bind("127.0.0.1", 8889);
//#echo-server-simple-bind
}
{
final InetSocketAddress localhost = SocketUtils.temporaryServerAddress();
final Source<IncomingConnection, Future<ServerBinding>> connections =
final Source<IncomingConnection, CompletionStage<ServerBinding>> connections =
Tcp.get(system).bind(localhost.getHostName(), localhost.getPort()); // TODO getHostString in Java7
//#echo-server-simple-handle
@ -93,7 +94,7 @@ public class StreamTcpDocTest {
final TestProbe serverProbe = new TestProbe(system);
final Source<IncomingConnection,Future<ServerBinding>> connections =
final Source<IncomingConnection,CompletionStage<ServerBinding>> connections =
Tcp.get(system).bind(localhost.getHostName(), localhost.getPort()); // TODO getHostString in Java7
//#welcome-banner-chat-server
connections.runForeach(connection -> {
@ -146,14 +147,14 @@ public class StreamTcpDocTest {
{
//#repl-client
final Flow<ByteString, ByteString, Future<OutgoingConnection>> connection =
final Flow<ByteString, ByteString, CompletionStage<OutgoingConnection>> connection =
Tcp.get(system).outgoingConnection("127.0.0.1", 8889);
//#repl-client
}
{
final Flow<ByteString, ByteString, Future<OutgoingConnection>> connection =
Tcp.get(system).outgoingConnection(localhost.getHostName(), localhost.getPort()); // TODO getHostString in Java7
final Flow<ByteString, ByteString, CompletionStage<OutgoingConnection>> connection =
Tcp.get(system).outgoingConnection(localhost.getHostString(), localhost.getPort());
//#repl-client
final PushStage<String, ByteString> replParser = new PushStage<String, ByteString>() {