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+str #23392 AbstractGraphStageWithMaterializedValue for Java users (#23394)

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(no need to use Tuple2, can be Pair)
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Konrad `ktoso` Malawski 2017-09-11 16:35:35 +02:00 • committed by GitHub
parent e6da282f7f
commit 721e486fdb
2 changed files with 48 additions and 10 deletions
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16
akka-docs/src/test/java/jdocs/stream/GraphStageDocTest.java
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@ -6,6 +6,7 @@ import akka.actor.ActorSystem;
//#imports
import akka.dispatch.Futures;
import akka.japi.Option;
import akka.japi.Pair;
import akka.japi.Predicate;
import akka.japi.function.Procedure;
import akka.stream.*;
@ -21,13 +22,14 @@ import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.reactivestreams.Subscription;
import scala.Tuple2;
import scala.compat.java8.FutureConverters;
import scala.concurrent.ExecutionContext;
import scala.concurrent.Promise;
import scala.concurrent.duration.Duration;
import scala.concurrent.duration.FiniteDuration;
import java.util.*;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.TimeUnit;
@ -570,7 +572,7 @@ public class GraphStageDocTest extends AbstractJavaTest {
//#materialized
public class FirstValue<A> extends GraphStageWithMaterializedValue<FlowShape<A, A>, CompletionStage<A>> {
public class FirstValue<A> extends AbstractGraphStageWithMaterializedValue<FlowShape<A, A>, CompletionStage<A>> {
public final Inlet<A> in = Inlet.create("FirstValue.in");
public final Outlet<A> out = Outlet.create("FirstValue.out");
@ -582,8 +584,8 @@ public class GraphStageDocTest extends AbstractJavaTest {
}
@Override
public Tuple2<GraphStageLogic, CompletionStage<A>> createLogicAndMaterializedValue(Attributes inheritedAttributes) {
Promise<A> promise = Futures.promise();
public Pair<GraphStageLogic, CompletionStage<A>> createLogicAndMaterializedValuePair(Attributes inheritedAttributes) {
CompletableFuture<A> promise = new CompletableFuture<>();
GraphStageLogic logic = new GraphStageLogic(shape) {
{
@ -591,7 +593,7 @@ public class GraphStageDocTest extends AbstractJavaTest {
@Override
public void onPush() {
A elem = grab(in);
promise.success(elem);
promise.complete(elem);
push(out, elem);
// replace handler with one just forwarding
@ -612,8 +614,8 @@ public class GraphStageDocTest extends AbstractJavaTest {
});
}
};
return new Tuple2(logic, promise.future());
return new Pair<>(logic, promise);
}
}
//#materialized