minimales Akka/Java Beispiel

eclipse-projects/akkaJavaExamples/.classpath

+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

eclipse-projects/akkaJavaExamples/.project

+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>akkaJavaExamples</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

eclipse-projects/akkaJavaExamples/.settings/org.eclipse.jdt.core.prefs

+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.source=1.8

eclipse-projects/akkaJavaExamples/.settings/org.eclipse.m2e.core.prefs

+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

eclipse-projects/akkaJavaExamples/pom.xml

+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>akkaJavaExamples</groupId>
+  <artifactId>akkaJavaExamples</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <build>
+    <sourceDirectory>src</sourceDirectory>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.1</version>
+        <configuration>
+          <source>1.8</source>
+          <target>1.8</target>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+    <dependencies>
+  	<dependency>
+  		<groupId>com.typesafe.akka</groupId>
+  		<artifactId>akka-actor_2.11</artifactId>
+  		<version>2.4.11</version>
+  	</dependency>
+  </dependencies>
+</project>
\ No newline at end of file

eclipse-projects/akkaJavaExamples/src/akkaJavaExamples/HelloWorldActor.java

+package akkaJavaExamples;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import akka.actor.UntypedActor;
+
+public class HelloWorldActor extends UntypedActor {
+	@Override
+	public void onReceive(Object message) {
+		if (message.equals("print")) {
+			System.out.println("Hello World!");
+			getSender().tell("printed", getSelf());
+		} else
+			unhandled(message);
+	}
+
+	public static void main(String[] args) {
+		ActorSystem actorSystem = ActorSystem.create("MySystem");
+		ActorRef helloWorldActor = actorSystem.actorOf(Props.create(HelloWorldActor.class));
+		helloWorldActor.tell("print", ActorRef.noSender());
+		actorSystem.terminate();
+	}
+}