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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/stream/javadsl/cookbook/RecipeByteStrings.java
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@ -20,12 +20,10 @@ import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import scala.Tuple2;
import scala.concurrent.Await;
import scala.concurrent.Future;
import scala.concurrent.duration.FiniteDuration;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertEquals;
@ -97,9 +95,9 @@ public class RecipeByteStrings extends RecipeTest {
rawBytes.transform(() -> new Chunker(CHUNK_LIMIT));
//#bytestring-chunker2
Future<List<ByteString>> chunksFuture = chunksStream.grouped(10).runWith(Sink.head(), mat);
CompletionStage<List<ByteString>> chunksFuture = chunksStream.grouped(10).runWith(Sink.head(), mat);
List<ByteString> chunks = Await.result(chunksFuture, FiniteDuration.create(3, TimeUnit.SECONDS));
List<ByteString> chunks = chunksFuture.toCompletableFuture().get(3, TimeUnit.SECONDS);
for (ByteString chunk : chunks) {
assertTrue(chunk.size() <= 2);
@ -159,9 +157,7 @@ public class RecipeByteStrings extends RecipeTest {
ByteString.fromArray(new byte[] { 4, 5, 6 }),
ByteString.fromArray(new byte[] { 7, 8, 9, 10 })));
FiniteDuration threeSeconds = FiniteDuration.create(3, TimeUnit.SECONDS);
List<ByteString> got = Await.result(bytes1.via(limiter).grouped(10).runWith(Sink.head(), mat), threeSeconds);
List<ByteString> got = bytes1.via(limiter).grouped(10).runWith(Sink.head(), mat).toCompletableFuture().get(3, TimeUnit.SECONDS);
ByteString acc = ByteString.empty();
for (ByteString b : got) {
acc = acc.concat(b);
@ -170,7 +166,7 @@ public class RecipeByteStrings extends RecipeTest {
boolean thrown = false;
try {
Await.result(bytes2.via(limiter).grouped(10).runWith(Sink.head(), mat), threeSeconds);
bytes2.via(limiter).grouped(10).runWith(Sink.head(), mat).toCompletableFuture().get(3, TimeUnit.SECONDS);
} catch (IllegalStateException ex) {
thrown = true;
}
@ -194,8 +190,7 @@ public class RecipeByteStrings extends RecipeTest {
Source<ByteString, NotUsed> compacted = rawBytes.map(bs -> bs.compact());
//#compacting-bytestrings
FiniteDuration timeout = FiniteDuration.create(3, TimeUnit.SECONDS);
List<ByteString> got = Await.result(compacted.grouped(10).runWith(Sink.head(), mat), timeout);
List<ByteString> got = compacted.grouped(10).runWith(Sink.head(), mat).toCompletableFuture().get(3, TimeUnit.SECONDS);
for (ByteString byteString : got) {
assertTrue(byteString.isCompact());