#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

@ -13,6 +13,7 @@ import akka.dispatch.OnSuccess;
import akka.japi.JavaPartialFunction;
import akka.japi.Pair;
import akka.japi.function.*;
import akka.japi.pf.PFBuilder;
import akka.stream.*;
import akka.stream.impl.ConstantFun;
import akka.stream.stage.*;
@ -29,6 +30,9 @@ import scala.concurrent.duration.FiniteDuration;
import scala.util.Try;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.stream.Stream;
@ -54,32 +58,18 @@ public class SourceTest extends StreamTest {
final java.lang.Iterable<Integer> input = Arrays.asList(0, 1, 2, 3, 4, 5);
final Source<Integer, NotUsed> ints = Source.from(input);
ints.drop(2).take(3).takeWithin(FiniteDuration.create(10, TimeUnit.SECONDS)).map(new Function<Integer, String>() {
public String apply(Integer elem) {
return lookup[elem];
}
}).filter(new Predicate<String>() {
public boolean test(String elem) {
return !elem.equals("c");
}
}).grouped(2).mapConcat(new Function<java.util.List<String>, java.util.List<String>>() {
public java.util.List<String> apply(java.util.List<String> elem) {
return elem;
}
}).groupedWithin(100, FiniteDuration.create(50, TimeUnit.MILLISECONDS))
.mapConcat(new Function<java.util.List<String>, java.util.List<String>>() {
public java.util.List<String> apply(java.util.List<String> elem) {
return elem;
}
}).runFold("", new Function2<String, String, String>() {
public String apply(String acc, String elem) {
return acc + elem;
}
}, materializer).foreach(new Foreach<String>() { // Scala Future
public void each(String elem) {
probe.getRef().tell(elem, ActorRef.noSender());
}
}, system.dispatcher());
ints
.drop(2)
.take(3)
.takeWithin(FiniteDuration.create(10, TimeUnit.SECONDS))
.map(elem -> lookup[elem])
.filter(elem -> !elem.equals("c"))
.grouped(2)
.mapConcat(elem -> elem)
.groupedWithin(100, FiniteDuration.create(50, TimeUnit.MILLISECONDS))
.mapConcat(elem -> elem)
.runFold("", (acc, elem) -> acc + elem, materializer)
.thenAccept(elem -> probe.getRef().tell(elem, ActorRef.noSender()));
probe.expectMsgEquals("de");
}
@ -88,20 +78,11 @@ public class SourceTest extends StreamTest {
public void mustBeAbleToUseVoidTypeInForeach() {
final JavaTestKit probe = new JavaTestKit(system);
final java.lang.Iterable<String> input = Arrays.asList("a", "b", "c");
Source<String, ?> ints = Source.from(input);
Source<String, NotUsed> ints = Source.from(input);
Future<Done> completion = ints.runForeach(new Procedure<String>() {
public void apply(String elem) {
probe.getRef().tell(elem, ActorRef.noSender());
}
}, materializer);
final CompletionStage<Done> completion = ints.runForeach(elem -> probe.getRef().tell(elem, ActorRef.noSender()), materializer);
completion.onSuccess(new OnSuccess<Done>() {
@Override
public void onSuccess(Done elem) throws Throwable {
probe.getRef().tell(String.valueOf(elem), ActorRef.noSender());
}
}, system.dispatcher());
completion.thenAccept(elem -> probe.getRef().tell(String.valueOf(elem), ActorRef.noSender()));
probe.expectMsgEquals("a");
probe.expectMsgEquals("b");
@ -176,9 +157,9 @@ public class SourceTest extends StreamTest {
.grouped(10)
.mergeSubstreams();
final Future<List<List<String>>> future =
final CompletionStage<List<List<String>>> future =
source.grouped(10).runWith(Sink.<List<List<String>>> head(), materializer);
final Object[] result = Await.result(future, Duration.create(1, TimeUnit.SECONDS)).toArray();
final Object[] result = future.toCompletableFuture().get(1, TimeUnit.SECONDS).toArray();
Arrays.sort(result, (Comparator<Object>)(Object) new Comparator<List<String>>() {
@Override
public int compare(List<String> o1, List<String> o2) {
@ -202,9 +183,9 @@ public class SourceTest extends StreamTest {
.grouped(10)
.concatSubstreams();
final Future<List<List<String>>> future =
final CompletionStage<List<List<String>>> future =
source.grouped(10).runWith(Sink.<List<List<String>>> head(), materializer);
final List<List<String>> result = Await.result(future, Duration.create(1, TimeUnit.SECONDS));
final List<List<String>> result = future.toCompletableFuture().get(1, TimeUnit.SECONDS);
assertEquals(Arrays.asList(Arrays.asList("A", "B", "C"), Arrays.asList(".", "D"), Arrays.asList(".", "E", "F")), result);
}
@ -222,9 +203,9 @@ public class SourceTest extends StreamTest {
.grouped(10)
.concatSubstreams();
final Future<List<List<String>>> future =
final CompletionStage<List<List<String>>> future =
source.grouped(10).runWith(Sink.<List<List<String>>> head(), materializer);
final List<List<String>> result = Await.result(future, Duration.create(1, TimeUnit.SECONDS));
final List<List<String>> result = future.toCompletableFuture().get(1, TimeUnit.SECONDS);
assertEquals(Arrays.asList(Arrays.asList("A", "B", "C", "."), Arrays.asList("D", "."), Arrays.asList("E", "F")), result);
}
@ -235,8 +216,8 @@ public class SourceTest extends StreamTest {
final Iterable<String> input1 = Arrays.asList("A", "B", "C");
final Iterable<String> input2 = Arrays.asList("D", "E", "F");
final Source<String, ?> in1 = Source.from(input1);
final Source<String, ?> in2 = Source.from(input2);
final Source<String, NotUsed> in1 = Source.from(input1);
final Source<String, NotUsed> in2 = Source.from(input2);
in1.concat(in2).runForeach(new Procedure<String>() {
public void apply(String elem) {
@ -254,8 +235,8 @@ public class SourceTest extends StreamTest {
final Iterable<String> input1 = Arrays.asList("A", "B", "C");
final Iterable<String> input2 = Arrays.asList("D", "E", "F");
final Source<String, ?> in1 = Source.from(input1);
final Source<String, ?> in2 = Source.from(input2);
final Source<String, NotUsed> in1 = Source.from(input1);
final Source<String, NotUsed> in2 = Source.from(input2);
in2.prepend(in1).runForeach(new Procedure<String>() {
public void apply(String elem) {
@ -308,20 +289,16 @@ public class SourceTest extends StreamTest {
final JavaTestKit probe = new JavaTestKit(system);
final Iterable<String> input = Arrays.asList("A", "B", "C");
Source.from(input).map(new Function<String, String>() {
public String apply(String arg0) throws Exception {
throw new RuntimeException("simulated err");
}
}).runWith(Sink.<String>head(), materializer).onComplete(new OnSuccess<Try<String>>() {
@Override
public void onSuccess(Try<String> e) throws Throwable {
if (e == null) {
Source.from(input)
.<String> map(in -> { throw new RuntimeException("simulated err"); })
.runWith(Sink.<String>head(), materializer)
.whenComplete((s, ex) -> {
if (ex == null) {
probe.getRef().tell("done", ActorRef.noSender());
} else {
probe.getRef().tell(e.failed().get().getMessage(), ActorRef.noSender());
probe.getRef().tell(ex.getMessage(), ActorRef.noSender());
}
}
}, system.dispatcher());
});
probe.expectMsgEquals("simulated err");
}
@ -330,8 +307,8 @@ public class SourceTest extends StreamTest {
public void mustBeAbleToUseToFuture() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final Iterable<String> input = Arrays.asList("A", "B", "C");
Future<String> future = Source.from(input).runWith(Sink.<String>head(), materializer);
String result = Await.result(future, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
CompletionStage<String> future = Source.from(input).runWith(Sink.<String>head(), materializer);
String result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals("A", result);
}
@ -339,14 +316,13 @@ public class SourceTest extends StreamTest {
public void mustBeAbleToUsePrefixAndTail() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final Iterable<Integer> input = Arrays.asList(1, 2, 3, 4, 5, 6);
Future<Pair<List<Integer>, Source<Integer, NotUsed>>> future = Source.from(input).prefixAndTail(3)
CompletionStage<Pair<List<Integer>, Source<Integer, NotUsed>>> future = Source.from(input).prefixAndTail(3)
.runWith(Sink.<Pair<List<Integer>, Source<Integer, NotUsed>>>head(), materializer);
Pair<List<Integer>, Source<Integer, NotUsed>> result = Await.result(future,
probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
Pair<List<Integer>, Source<Integer, NotUsed>> result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(Arrays.asList(1, 2, 3), result.first());
Future<List<Integer>> tailFuture = result.second().grouped(4).runWith(Sink.<List<Integer>>head(), materializer);
List<Integer> tailResult = Await.result(tailFuture, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
CompletionStage<List<Integer>> tailFuture = result.second().grouped(4).runWith(Sink.<List<Integer>>head(), materializer);
List<Integer> tailResult = tailFuture.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(Arrays.asList(4, 5, 6), tailResult);
}
@ -360,12 +336,12 @@ public class SourceTest extends StreamTest {
mainInputs.add(Source.from(input1));
mainInputs.add(Source.from(input2));
Future<List<Integer>> future = Source.from(mainInputs)
CompletionStage<List<Integer>> future = Source.from(mainInputs)
.<Integer, NotUsed>flatMapConcat(ConstantFun.<Source<Integer,NotUsed>>javaIdentityFunction())
.grouped(6)
.runWith(Sink.<List<Integer>>head(), materializer);
List<Integer> result = Await.result(future, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
List<Integer> result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(Arrays.asList(1, 2, 3, 4, 5), result);
}
@ -384,11 +360,11 @@ public class SourceTest extends StreamTest {
mainInputs.add(Source.from(input3));
mainInputs.add(Source.from(input4));
Future<List<Integer>> future = Source.from(mainInputs)
CompletionStage<List<Integer>> future = Source.from(mainInputs)
.flatMapMerge(3, ConstantFun.<Source<Integer, NotUsed>>javaIdentityFunction()).grouped(60)
.runWith(Sink.<List<Integer>>head(), materializer);
List<Integer> result = Await.result(future, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
List<Integer> result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
final Set<Integer> set = new HashSet<Integer>();
for (Integer i: result) {
set.add(i);
@ -405,10 +381,10 @@ public class SourceTest extends StreamTest {
public void mustBeAbleToUseBuffer() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final List<String> input = Arrays.asList("A", "B", "C");
Future<List<String>> future = Source.from(input).buffer(2, OverflowStrategy.backpressure()).grouped(4)
final CompletionStage<List<String>> future = Source.from(input).buffer(2, OverflowStrategy.backpressure()).grouped(4)
.runWith(Sink.<List<String>>head(), materializer);
List<String> result = Await.result(future, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
List<String> result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(input, result);
}
@ -416,23 +392,10 @@ public class SourceTest extends StreamTest {
public void mustBeAbleToUseConflate() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final List<String> input = Arrays.asList("A", "B", "C");
Future<String> future = Source.from(input).conflate(new Function<String, String>() {
@Override
public String apply(String s) throws Exception {
return s;
}
}, new Function2<String, String, String>() {
@Override
public String apply(String aggr, String in) throws Exception {
return aggr + in;
}
}).runFold("", new Function2<String, String, String>() {
@Override
public String apply(String aggr, String in) throws Exception {
return aggr + in;
}
}, materializer);
String result = Await.result(future, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
CompletionStage<String> future = Source.from(input)
.conflate(s -> s, (aggr, in) -> aggr + in)
.runFold("", (aggr, in) -> aggr + in, materializer);
String result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals("ABC", result);
}
@ -440,8 +403,8 @@ public class SourceTest extends StreamTest {
public void mustBeAbleToUseExpand() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final List<String> input = Arrays.asList("A", "B", "C");
Future<String> future = Source.from(input).expand(in -> Stream.iterate(in, i -> i).iterator()).runWith(Sink.<String>head(), materializer);
String result = Await.result(future, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
CompletionStage<String> future = Source.from(input).expand(in -> Stream.iterate(in, i -> i).iterator()).runWith(Sink.<String>head(), materializer);
String result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals("A", result);
}
@ -468,15 +431,9 @@ public class SourceTest extends StreamTest {
public void mustBeAbleToUseMapFuture() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final Iterable<String> input = Arrays.asList("a", "b", "c");
Source.from(input).mapAsync(4, new Function<String, Future<String>>() {
public Future<String> apply(String elem) {
return Futures.successful(elem.toUpperCase());
}
}).runForeach(new Procedure<String>() {
public void apply(String elem) {
probe.getRef().tell(elem, ActorRef.noSender());
}
}, materializer);
Source.from(input)
.mapAsync(4, elem -> CompletableFuture.completedFuture(elem.toUpperCase()))
.runForeach(elem -> probe.getRef().tell(elem, ActorRef.noSender()), materializer);
probe.expectMsgEquals("A");
probe.expectMsgEquals("B");
probe.expectMsgEquals("C");
@ -486,16 +443,16 @@ public class SourceTest extends StreamTest {
public void mustWorkFromFuture() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final Iterable<String> input = Arrays.asList("A", "B", "C");
Future<String> future1 = Source.from(input).runWith(Sink.<String>head(), materializer);
Future<String> future2 = Source.fromFuture(future1).runWith(Sink.<String>head(), materializer);
String result = Await.result(future2, probe.dilated(FiniteDuration.create(3, TimeUnit.SECONDS)));
CompletionStage<String> future1 = Source.from(input).runWith(Sink.<String>head(), materializer);
CompletionStage<String> future2 = Source.fromCompletionStage(future1).runWith(Sink.<String>head(), materializer);
String result = future2.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals("A", result);
}
@Test
public void mustWorkFromRange() throws Exception {
Future<List<Integer>> f = Source.range(0, 10).grouped(20).runWith(Sink.<List<Integer>> head(), materializer);
final List<Integer> result = Await.result(f, FiniteDuration.create(3, TimeUnit.SECONDS));
CompletionStage<List<Integer>> f = Source.range(0, 10).grouped(20).runWith(Sink.<List<Integer>> head(), materializer);
final List<Integer> result = f.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(11, result.size());
Integer counter = 0;
for (Integer i: result)
@ -504,8 +461,8 @@ public class SourceTest extends StreamTest {
@Test
public void mustWorkFromRangeWithStep() throws Exception {
Future<List<Integer>> f = Source.range(0, 10, 2).grouped(20).runWith(Sink.<List<Integer>> head(), materializer);
final List<Integer> result = Await.result(f, FiniteDuration.create(3, TimeUnit.SECONDS));
CompletionStage<List<Integer>> f = Source.range(0, 10, 2).grouped(20).runWith(Sink.<List<Integer>> head(), materializer);
final List<Integer> result = f.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(6, result.size());
Integer counter = 0;
for (Integer i: result) {
@ -516,8 +473,8 @@ public class SourceTest extends StreamTest {
@Test
public void mustRepeat() throws Exception {
final Future<List<Integer>> f = Source.repeat(42).grouped(10000).runWith(Sink.<List<Integer>> head(), materializer);
final List<Integer> result = Await.result(f, FiniteDuration.create(3, TimeUnit.SECONDS));
final CompletionStage<List<Integer>> f = Source.repeat(42).grouped(10000).runWith(Sink.<List<Integer>> head(), materializer);
final List<Integer> result = f.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals(result.size(), 10000);
for (Integer i: result) assertEquals(i, (Integer) 42);
}
@ -540,39 +497,31 @@ public class SourceTest extends StreamTest {
@Test
public void mustBeAbleToUseDropWhile() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final Source<Integer, ?> source = Source.from(Arrays.asList(0, 1, 2, 3)).dropWhile
final Source<Integer, NotUsed> source = Source.from(Arrays.asList(0, 1, 2, 3)).dropWhile
(new Predicate<Integer>() {
public boolean test(Integer elem) {
return elem < 2;
}
});
final Future<Done> future = source.runWith(Sink.foreach(new Procedure<Integer>() { // Scala Future
public void apply(Integer elem) {
probe.getRef().tell(elem, ActorRef.noSender());
}
}), materializer);
final CompletionStage<Done> future = source.runWith(Sink.foreach(elem -> probe.getRef().tell(elem, ActorRef.noSender())), materializer);
probe.expectMsgEquals(2);
probe.expectMsgEquals(3);
Await.ready(future, Duration.apply(200, TimeUnit.MILLISECONDS));
future.toCompletableFuture().get(200, TimeUnit.MILLISECONDS);
}
@Test
public void mustBeAbleToUseTakeWhile() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final Source<Integer, ?> source = Source.from(Arrays.asList(0, 1, 2, 3)).takeWhile
final Source<Integer, NotUsed> source = Source.from(Arrays.asList(0, 1, 2, 3)).takeWhile
(new Predicate<Integer>() {
public boolean test(Integer elem) {
return elem < 2;
}
});
final Future<Done> future = source.runWith(Sink.foreach(new Procedure<Integer>() { // Scala Future
public void apply(Integer elem) {
probe.getRef().tell(elem, ActorRef.noSender());
}
}), materializer);
final CompletionStage<Done> future = source.runWith(Sink.foreach(elem -> probe.getRef().tell(elem, ActorRef.noSender())), materializer);
probe.expectMsgEquals(0);
probe.expectMsgEquals(1);
@ -580,7 +529,7 @@ public class SourceTest extends StreamTest {
FiniteDuration duration = Duration.apply(200, TimeUnit.MILLISECONDS);
probe.expectNoMsg(duration);
Await.ready(future, duration);
future.toCompletableFuture().get(200, TimeUnit.MILLISECONDS);
}
@Test
@ -588,56 +537,41 @@ public class SourceTest extends StreamTest {
final ManualProbe<Integer> publisherProbe = TestPublisher.manualProbe(true,system);
final JavaTestKit probe = new JavaTestKit(system);
final Source<Integer, ?> source = Source.fromPublisher(publisherProbe).map(
new Function<Integer, Integer>() {
public Integer apply(Integer elem) {
final Source<Integer, NotUsed> source =
Source.fromPublisher(publisherProbe)
.map(elem -> {
if (elem == 1) throw new RuntimeException("ex");
else return elem;
}
})
.recover(new JavaPartialFunction<Throwable, Integer>() {
public Integer apply(Throwable elem, boolean isCheck) {
if (isCheck) return null;
return 0;
}
});
})
.recover(new PFBuilder<Throwable, Integer>()
.matchAny(ex -> 0)
.build());
final Future<Done> future = source.runWith(Sink.foreach(new Procedure<Integer>() {
public void apply(Integer elem) {
probe.getRef().tell(elem, ActorRef.noSender());
}
}), materializer);
final CompletionStage<Done> future = source.runWith(Sink.foreach(elem -> probe.getRef().tell(elem, ActorRef.noSender())), materializer);
final PublisherProbeSubscription<Integer> s = publisherProbe.expectSubscription();
s.sendNext(0);
probe.expectMsgEquals(0);
s.sendNext(1);
probe.expectMsgEquals(0);
Await.ready(future, Duration.apply(200, TimeUnit.MILLISECONDS));
future.toCompletableFuture().get(200, TimeUnit.MILLISECONDS);
}
@Test
public void mustBeAbleToCombine() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final Source<Integer, ?> source1 = Source.from(Arrays.asList(0, 1));
final Source<Integer, ?> source2 = Source.from(Arrays.asList(2, 3));
final Source<Integer, NotUsed> source1 = Source.from(Arrays.asList(0, 1));
final Source<Integer, NotUsed> source2 = Source.from(Arrays.asList(2, 3));
final Source<Integer, ?> source = Source.combine(source1, source2, new ArrayList<Source<Integer, ?>>(),
new Function<Integer, Graph<UniformFanInShape<Integer, Integer>, NotUsed>>() {
public Graph<UniformFanInShape<Integer, Integer>, NotUsed> apply(Integer elem) {
return Merge.create(elem);
}
});
final Source<Integer, NotUsed> source = Source.combine(
source1, source2, new ArrayList<Source<Integer, ?>>(),
width -> Merge.<Integer> create(width));
final Future<Done> future = source.runWith(Sink.foreach(new Procedure<Integer>() { // Scala Future
public void apply(Integer elem) {
probe.getRef().tell(elem, ActorRef.noSender());
}
}), materializer);
final CompletionStage<Done> future = source.runWith(Sink.foreach(elem -> probe.getRef().tell(elem, ActorRef.noSender())), materializer);
probe.expectMsgAllOf(0, 1, 2, 3);
Await.ready(future, Duration.apply(200, TimeUnit.MILLISECONDS));
future.toCompletableFuture().get(200, TimeUnit.MILLISECONDS);
}
@Test
@ -710,48 +644,53 @@ public class SourceTest extends StreamTest {
@Test
public void mustBeAbleToUseInitialTimeout() throws Exception {
public void mustBeAbleToUseInitialTimeout() throws Throwable {
try {
Await.result(
Source.maybe().initialTimeout(Duration.create(1, "second")).runWith(Sink.head(), materializer),
Duration.create(3, "second")
);
fail("A TimeoutException was expected");
} catch(TimeoutException e) {
// expected
}
}
@Test
public void mustBeAbleToUseCompletionTimeout() throws Exception {
try {
Await.result(
Source.maybe().completionTimeout(Duration.create(1, "second")).runWith(Sink.head(), materializer),
Duration.create(3, "second")
);
fail("A TimeoutException was expected");
} catch(TimeoutException e) {
try {
Source.maybe().initialTimeout(Duration.create(1, "second")).runWith(Sink.head(), materializer)
.toCompletableFuture().get(3, TimeUnit.SECONDS);
fail("A TimeoutException was expected");
} catch (ExecutionException e) {
throw e.getCause();
}
} catch (TimeoutException e) {
// expected
}
}
@Test
public void mustBeAbleToUseIdleTimeout() throws Exception {
public void mustBeAbleToUseCompletionTimeout() throws Throwable {
try {
Await.result(
Source.maybe().idleTimeout(Duration.create(1, "second")).runWith(Sink.head(), materializer),
Duration.create(3, "second")
);
fail("A TimeoutException was expected");
} catch(TimeoutException e) {
try {
Source.maybe().completionTimeout(Duration.create(1, "second")).runWith(Sink.head(), materializer)
.toCompletableFuture().get(3, TimeUnit.SECONDS);
fail("A TimeoutException was expected");
} catch (ExecutionException e) {
throw e.getCause();
}
} catch (TimeoutException e) {
// expected
}
}
@Test
public void mustBeAbleToUseIdleTimeout() throws Throwable {
try {
try {
Source.maybe().idleTimeout(Duration.create(1, "second")).runWith(Sink.head(), materializer)
.toCompletableFuture().get(3, TimeUnit.SECONDS);
fail("A TimeoutException was expected");
} catch (ExecutionException e) {
throw e.getCause();
}
} catch (TimeoutException e) {
// expected
}
}
@Test
public void mustBeAbleToUseIdleInject() throws Exception {
Integer result = Await.result(
Integer result =
Source.maybe()
.keepAlive(Duration.create(1, "second"), new Creator<Integer>() {
public Integer create() {
@ -759,9 +698,8 @@ public class SourceTest extends StreamTest {
}
})
.takeWithin(Duration.create(1500, "milliseconds"))
.runWith(Sink.<Integer>head(), materializer),
Duration.create(3, "second")
);
.runWith(Sink.<Integer>head(), materializer)
.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals((Object) 0, result);
}