126 lines
3.5 KiB
Java
126 lines
3.5 KiB
Java
/**
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* Copyright (C) 2009-2016 Lightbend Inc. <http://www.lightbend.com>
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*/
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package docs.actorlambda;
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import akka.actor.AbstractActor;
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import akka.actor.ActorRef;
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import akka.actor.ActorSystem;
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import akka.actor.Props;
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import akka.japi.pf.FI;
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import akka.japi.pf.ReceiveBuilder;
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import akka.testkit.JavaTestKit;
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import docs.AbstractJavaTest;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import scala.concurrent.Await;
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import scala.concurrent.duration.Duration;
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import java.util.concurrent.TimeUnit;
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public class InitializationDocTest extends AbstractJavaTest {
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static ActorSystem system = null;
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@BeforeClass
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public static void beforeClass() {
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system = ActorSystem.create("InitializationDocTest");
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}
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@AfterClass
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public static void afterClass() throws Exception {
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Await.ready(system.terminate(), Duration.create("5 seconds"));
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}
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public static class MessageInitExample extends AbstractActor {
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private String initializeMe = null;
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public MessageInitExample() {
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//#messageInit
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receive(ReceiveBuilder.
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matchEquals("init", m1 -> {
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initializeMe = "Up and running";
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context().become(ReceiveBuilder.
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matchEquals("U OK?", m2 -> {
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sender().tell(initializeMe, self());
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}).build());
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}).build()
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//#messageInit
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);
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}
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}
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public class GenericMessage<T> {
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T value;
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public GenericMessage(T value) {
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this.value = value;
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}
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}
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public static class GenericActor extends AbstractActor {
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public GenericActor() {
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receive(ReceiveBuilder.match(GenericMessage.class, (GenericMessage<String> msg) -> {
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GenericMessage<String> message = msg;
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sender().tell(message.value.toUpperCase(), self());
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}).build());
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}
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}
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static class GenericActorWithPredicate extends AbstractActor {
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public GenericActorWithPredicate() {
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FI.TypedPredicate<GenericMessage<String>> typedPredicate = s -> !s.value.isEmpty();
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receive(ReceiveBuilder.match(GenericMessage.class, typedPredicate, (GenericMessage<String> msg) -> {
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sender().tell(msg.value.toUpperCase(), self());
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}).build());
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}
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}
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@Test
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public void testIt() {
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new JavaTestKit(system) {{
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ActorRef testactor = system.actorOf(Props.create(MessageInitExample.class), "testactor");
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String msg = "U OK?";
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testactor.tell(msg, getRef());
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expectNoMsg(Duration.create(1, TimeUnit.SECONDS));
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testactor.tell("init", getRef());
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testactor.tell(msg, getRef());
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expectMsgEquals("Up and running");
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}};
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}
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@Test
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public void testGenericActor() {
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new JavaTestKit(system) {{
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ActorRef genericTestActor = system.actorOf(Props.create(GenericActor.class), "genericActor");
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GenericMessage<String> genericMessage = new GenericMessage<String>("a");
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genericTestActor.tell(genericMessage, getRef());
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expectMsgEquals("A");
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}};
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}
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@Test
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public void actorShouldNotRespondForEmptyMessage() {
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new JavaTestKit(system) {{
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ActorRef genericTestActor = system.actorOf(Props.create(GenericActorWithPredicate.class), "genericActorWithPredicate");
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GenericMessage<String> emptyGenericMessage = new GenericMessage<String>("");
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GenericMessage<String> nonEmptyGenericMessage = new GenericMessage<String>("a");
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genericTestActor.tell(emptyGenericMessage, getRef());
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expectNoMsg();
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genericTestActor.tell(nonEmptyGenericMessage, getRef());
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expectMsgEquals("A");
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}};
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}
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}
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