clean up micronaut framework integration

Signed-off-by: Gabriel Harris-Rouquette <gabizou@me.com>

Author: gabizou

.java-version

@@ -1 +1 @@
-graalvm64-17.0.4
+20.0.1

.jvmopts

@@ -3,4 +3,5 @@
 -Xss6M
 -XX:ReservedCodeCacheSize=256M
 -Dfile.encoding=UTF-8
+--enable-preview
 --add-opens=java.base/java.lang=ALL-UNNAMED

akka/build.gradle.kts

@@ -2,28 +2,16 @@
 version = "0.1"
 group = "org.spongepowered.downloads"
 
-
-val akkaVersion: String by project
-val scalaVersion: String  by project
-val akkaManagementVersion: String  by project
-val akkaProjection: String by project
+plugins {
+    id("com.github.johnrengelman.shadow")
+    id("io.micronaut.library")
+}
 
 dependencies {
-    implementation("com.ongres.scram:client:2.1")
-    implementation("jakarta.annotation:jakarta.annotation-api")
-    implementation(platform("com.typesafe.akka:akka-bom_${scalaVersion}:${akkaVersion}"))
-    implementation("com.typesafe.akka:akka-actor-typed_${scalaVersion}")
-    implementation("com.typesafe.akka:akka-cluster-sharding-typed_${scalaVersion}")
-    implementation("com.typesafe.akka:akka-cluster-typed_${scalaVersion}")
-    implementation("com.typesafe.akka:akka-discovery_${scalaVersion}")
-    implementation("com.typesafe.akka:akka-discovery_${scalaVersion}")
-    implementation("com.lightbend.akka.management:akka-management_${scalaVersion}:${akkaManagementVersion}")
-    implementation("com.lightbend.akka.management:akka-management-cluster-bootstrap_${scalaVersion}:${akkaManagementVersion}")
-
-    runtimeOnly("ch.qos.logback:logback-classic")
-    compileOnly("org.graalvm.nativeimage:svm")
-
-    implementation("io.micronaut:micronaut-validation")
+    annotationProcessor("io.micronaut.serde:micronaut-serde-processor")
+    implementation("io.micronaut.serde:micronaut-serde-jackson")
+    api("io.micronaut:micronaut-inject")
+    api(platform(libs.akkaBom))
+    api(libs.bundles.actors)
+    implementation(libs.bundles.akkaManagement)
 }
-
-

akka/settings.gradle

@@ -1,6 +1,7 @@
 package org.spongepowered.downloads.akka;
 
 import akka.actor.typed.ActorSystem;
+import akka.actor.typed.Behavior;
 import akka.actor.typed.Scheduler;
 import akka.actor.typed.SpawnProtocol;
 import akka.actor.typed.javadsl.Adapter;
@@ -12,35 +13,32 @@
 import com.typesafe.config.ConfigFactory;
 import io.micronaut.context.annotation.Bean;
 import io.micronaut.context.annotation.Factory;
+import io.micronaut.core.annotation.NonNull;
+import jakarta.inject.Singleton;
 
 @Factory
 public class AkkaExtension {
 
     @Bean
-    public Scheduler systemScheduler() {
-        return system().scheduler();
+    public Scheduler systemScheduler(@NonNull ActorSystem<?> system) {
+        return system.scheduler();
     }
 
     @Bean
     public Config akkaConfig() {
-        return ConfigFactory.load();
+        return ConfigFactory.defaultApplication();
     }
 
+    @Singleton
     @Bean(preDestroy = "terminate")
-    public ActorSystem<SpawnProtocol.Command> system() {
-        Config config = akkaConfig();
-        return ActorSystem.create(
-            Behaviors.setup(ctx -> {
-                akka.actor.ActorSystem unTypedSystem = Adapter.toClassic(ctx.getSystem());
-                AkkaManagement.get(unTypedSystem).start();
-                ClusterBootstrap.get(unTypedSystem).start();
-                return SpawnProtocol.create();
-            }), config.getString("some.cluster.name"));
+    public ActorSystem<?> system(@NonNull Behavior<?> behavior, @NonNull Config config) {
+        return ActorSystem.create(behavior, "soad-master");
     }
 
     @Bean
-    public ClusterSharding clusterSharding() {
-        return ClusterSharding.get(system());
+    @Singleton
+    public ClusterSharding clusterSharding(@NonNull ActorSystem<?> system) {
+        return ClusterSharding.get(system);
     }
 
 }

akka/src/main/java/module-info.java

@@ -0,0 +1,7 @@
+package org.spongepowered.downloads.akka;
+
+/**
+ * Marker interface for Akka serialization via Jackson
+ */
+public interface AkkaSerializable {
+}

akka/src/main/java/org/spongepowered/downloads/akka/AkkaExtension.java

@@ -0,0 +1,26 @@
+package org.spongepowered.downloads.akka;
+
+import akka.actor.typed.ActorSystem;
+import akka.actor.typed.Behavior;
+import akka.actor.typed.SpawnProtocol;
+import akka.actor.typed.javadsl.Behaviors;
+import akka.management.cluster.bootstrap.ClusterBootstrap;
+import akka.management.javadsl.AkkaManagement;
+import io.micronaut.context.annotation.Bean;
+import io.micronaut.context.annotation.Factory;
+import io.micronaut.context.annotation.Requires;
+
+@Factory
+public class ProductionAkkaSystem {
+
+    @Bean
+    public Behavior<SpawnProtocol.Command> productionGuardian() {
+        return Behaviors.<SpawnProtocol.Command>setup(ctx -> {
+            final var system = ctx.getSystem();
+            ClusterBootstrap.get(system).start();
+            AkkaManagement.get(system).start();
+            return SpawnProtocol.create();
+        });
+    }
+
+}

akka/src/main/java/org/spongepowered/downloads/akka/AkkaSerializable.java

@@ -0,0 +1,23 @@
+
+akka {
+    actor {
+        provider = "cluster"
+        serialization-bindings {
+            "org.spongepowered.downloads.akka.AkkaSerializable" = jackson-json
+        }
+    }
+    remote.artery {
+        canonical {
+            hostname = "127.0.0.1"
+            port = 2551
+        }
+    }
+
+    cluster {
+        seed-nodes = [
+            "akka://ClusterSystem@127.0.0.1:2551",
+            "akka://ClusterSystem@127.0.0.1:2552"]
+
+        downing-provider-class = "akka.cluster.sbr.SplitBrainResolverProvider"
+    }
+}

akka/src/main/java/org/spongepowered/downloads/akka/ProductionAkkaSystem.java

@@ -0,0 +1,14 @@
+
+
+
+plugins {
+    id("com.github.johnrengelman.shadow")
+    id("io.micronaut.library")
+}
+dependencies {
+    annotationProcessor("io.micronaut.serde:micronaut-serde-processor")
+    implementation("io.micronaut.serde:micronaut-serde-jackson")
+    api("io.micronaut:micronaut-inject")
+    api(project(":akka"))
+    api(libs.akka.testkit)
+}

akka/src/main/resources/refrerence.conf

@@ -0,0 +1,44 @@
+package org.spongepowered.downloads.test.akka;
+
+import akka.actor.testkit.typed.javadsl.ActorTestKit;
+import akka.actor.testkit.typed.javadsl.BehaviorTestKit;
+import akka.actor.typed.ActorSystem;
+import akka.actor.typed.Behavior;
+import akka.actor.typed.SpawnProtocol;
+import com.typesafe.config.Config;
+import com.typesafe.config.ConfigFactory;
+import io.micronaut.context.annotation.Bean;
+import io.micronaut.context.annotation.Factory;
+import io.micronaut.context.annotation.Replaces;
+import io.micronaut.core.annotation.NonNull;
+import jakarta.inject.Singleton;
+
+@Factory
+public class AkkaTestExtension {
+
+    @Replaces
+    @Bean
+    public Behavior<SpawnProtocol.Command> testBehavior() {
+        return SpawnProtocol.create();
+    }
+
+    @Replaces
+    @Bean
+    public Config testConfig() {
+        return ConfigFactory.defaultApplication()
+            .withFallback(BehaviorTestKit.applicationTestConfig())
+            .resolve();
+    }
+
+    @Bean(preDestroy = "shutdownTestKit")
+    public ActorTestKit testKit() {
+        return ActorTestKit.create();
+    }
+
+    @Replaces(bean = ActorSystem.class)
+    @Singleton
+    public ActorSystem<?> system(@NonNull ActorTestKit kit) {
+        return kit.system();
+    }
+
+}

akka/testkit/build.gradle.kts

@@ -0,0 +1,3 @@
+systemofadownload {
+    clustering = false
+}