Update Scala version, Maven plugins and application settings for MQ & object store examples (#27)

Author: ignasi35

lagom-cloud-object-storage-example/account-api/pom.xml

@@ -16,7 +16,7 @@
     <dependencies>
         <dependency>
             <groupId>com.lightbend.lagom</groupId>
-            <artifactId>lagom-javadsl-api_2.11</artifactId>
+            <artifactId>lagom-javadsl-api_${scala.binary.version}</artifactId>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>

lagom-cloud-object-storage-example/account-impl/pom.xml

@@ -21,28 +21,28 @@
         </dependency>
         <dependency>
             <groupId>com.lightbend.lagom</groupId>
-            <artifactId>lagom-javadsl-server_2.11</artifactId>
+            <artifactId>lagom-javadsl-server_${scala.binary.version}</artifactId>
         </dependency>
         <dependency>
             <groupId>com.lightbend.lagom</groupId>
-            <artifactId>lagom-javadsl-persistence-cassandra_2.11</artifactId>
+            <artifactId>lagom-javadsl-persistence-cassandra_${scala.binary.version}</artifactId>
         </dependency>
         <dependency>
             <groupId>com.lightbend.lagom</groupId>
-            <artifactId>lagom-logback_2.11</artifactId>
+            <artifactId>lagom-logback_${scala.binary.version}</artifactId>
         </dependency>
         <dependency>
             <groupId>com.typesafe.play</groupId>
-            <artifactId>play-netty-server_2.11</artifactId>
+            <artifactId>play-netty-server_${scala.binary.version}</artifactId>
         </dependency>
         <dependency>
             <groupId>com.lightbend.lagom</groupId>
-            <artifactId>lagom-javadsl-testkit_2.11</artifactId>
+            <artifactId>lagom-javadsl-testkit_${scala.binary.version}</artifactId>
             <scope>test</scope>
         </dependency>
         <dependency>
           <groupId>com.lightbend.akka</groupId>
-          <artifactId>akka-stream-alpakka-s3_2.11</artifactId>
+          <artifactId>akka-stream-alpakka-s3_${scala.binary.version}</artifactId>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>

lagom-cloud-object-storage-example/account-impl/src/main/resources/application.conf

@@ -11,4 +11,12 @@ cassandra-journal.keyspace = ${account.cassandra.keyspace}
 cassandra-snapshot-store.keyspace = ${account.cassandra.keyspace}
 lagom.persistence.read-side.cassandra.keyspace = ${account.cassandra.keyspace}
 
+# Enable new sharding state store mode by overriding Lagom's default
+akka.cluster.sharding.state-store-mode = ddata
+
+# Enable the serializer for akka.Done provided in Akka 2.5.8+ to avoid the use of Java serialization.
+akka.actor.serialization-bindings {
+  "akka.Done" = akka-misc
+}
+
 include "cloud-object-storage.conf"

lagom-cloud-object-storage-example/pom.xml

@@ -16,10 +16,6 @@
 
     <build>
         <plugins>
-            <plugin>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.6</version>
-            </plugin>
             <plugin>
                 <groupId>com.lightbend.lagom</groupId>
                 <artifactId>lagom-maven-plugin</artifactId>
@@ -33,7 +29,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
+                <version>3.7.0</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
@@ -77,7 +73,7 @@
             </dependency>
             <dependency>
               <groupId>com.lightbend.akka</groupId>
-              <artifactId>akka-stream-alpakka-s3_2.11</artifactId>
+              <artifactId>akka-stream-alpakka-s3_${scala.binary.version}</artifactId>
               <version>0.12</version>
             </dependency>
             <dependency>
@@ -92,5 +88,6 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
         <lagom.version>1.4.1</lagom.version>
+        <scala.binary.version>2.12</scala.binary.version>
     </properties>
 </project>

lagom-mq-example-scala/build.sbt

@@ -2,7 +2,7 @@ organization in ThisBuild := "com.example"
 version in ThisBuild := "1.0-SNAPSHOT"
 
 // the Scala version that will be used for cross-compiled libraries
-scalaVersion in ThisBuild := "2.11.8"
+scalaVersion in ThisBuild := "2.12.4"
 
 val ibmWebsphereMQ = "com.ibm.mq" % "com.ibm.mq.allclient" % "9.0.4.0"
 val alpakka = "com.lightbend.akka" %% "akka-stream-alpakka-jms" % "0.12"

lagom-mq-example-scala/hello-impl/src/main/resources/application.conf

@@ -8,6 +8,15 @@ cassandra-journal.keyspace = ${hello.cassandra.keyspace}
 cassandra-snapshot-store.keyspace = ${hello.cassandra.keyspace}
 lagom.persistence.read-side.cassandra.keyspace = ${hello.cassandra.keyspace}
 
+# Enable new sharding state store mode by overriding Lagom's default
+akka.cluster.sharding.state-store-mode = ddata
+
+# Enable the serializer for akka.Done provided in Akka 2.5.8+ to avoid the use of Java serialization.
+akka.actor.serialization-bindings {
+  "akka.Done" = akka-misc
+}
+
+
 # Settings to connecto to MQ. These settings are read by the
 # MQHelloJmsComponents trait.