[JAVA-27819] Upgrade Axon module to the Spring Boot 3 (#15935)

patterns-modules/axon/pom.xml

@@ -9,9 +9,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2</artifactId>
+        <artifactId>parent-boot-3</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../parent-boot-2</relativePath>
+        <relativePath>../../parent-boot-3</relativePath>
     </parent>
 
     <dependencyManagement>
@@ -74,12 +74,6 @@
             <version>${reactor.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>de.flapdoodle.embed</groupId>
-            <artifactId>de.flapdoodle.embed.mongo</artifactId>
-            <version>${de.flapdoodle.embed.mongo.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.awaitility</groupId>
             <artifactId>awaitility</artifactId>
@@ -95,6 +89,17 @@
             <artifactId>reactor-netty-http</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>mongodb</artifactId>
+            <version>${mongodb.testcontainer.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -114,9 +119,9 @@
     </build>
 
     <properties>
-        <axon-bom.version>4.6.3</axon-bom.version>
+        <axon-bom.version>4.9.3</axon-bom.version>
-        <de.flapdoodle.embed.mongo.version>3.4.8</de.flapdoodle.embed.mongo.version>
         <reactor.version>3.6.0</reactor.version>
+        <mongodb.testcontainer.version>1.17.6</mongodb.testcontainer.version>
     </properties>
 
 </project>

patterns-modules/axon/src/main/java/com/baeldung/axon/querymodel/MongoOrdersEventHandler.java

@@ -18,7 +18,6 @@ import com.mongodb.client.model.IndexOptions;
 import com.mongodb.client.model.Indexes;
 import com.mongodb.client.result.UpdateResult;
 
-import groovyjarjarantlr4.v4.runtime.misc.NotNull;
 
 import org.axonframework.config.ProcessingGroup;
 import org.axonframework.eventhandling.EventHandler;
@@ -30,6 +29,7 @@ import org.reactivestreams.Publisher;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.annotation.Profile;
+import org.springframework.lang.NonNull;
 import org.springframework.stereotype.Service;
 
 import reactor.core.publisher.Flux;
@@ -172,7 +172,7 @@ public class MongoOrdersEventHandler implements OrdersEventHandler {
             .toString());
     }
 
-    private Order documentToOrder(@NotNull Document document) {
+    private Order documentToOrder(@NonNull Document document) {
         Order order = new Order(document.getString(ORDER_ID_PROPERTY_NAME));
         Document products = document.get(PRODUCTS_PROPERTY_NAME, Document.class);
         products.forEach((k, v) -> order.getProducts()

patterns-modules/axon/src/test/java/com/baeldung/axon/querymodel/MongoOrdersEventHandlerLiveTest.java

@@ -0,0 +1,36 @@
+package com.baeldung.axon.querymodel;
+
+import com.mongodb.client.MongoClient;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.data.mongo.DataMongoTest;
+import org.springframework.test.context.DynamicPropertyRegistry;
+import org.springframework.test.context.DynamicPropertySource;
+import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.junit.jupiter.Container;
+
+@DataMongoTest
+public class MongoOrdersEventHandlerLiveTest extends AbstractOrdersEventHandlerUnitTest {
+
+    @Autowired
+    MongoClient mongoClient;
+
+    @Container
+    static MongoDBContainer mongoDBContainer = new MongoDBContainer("mongo:6.0").withExposedPorts(27017);
+
+    @DynamicPropertySource
+    static void mongoDbProperties(DynamicPropertyRegistry registry) {
+
+        mongoDBContainer.start();
+        registry.add("spring.data.mongodb.uri", mongoDBContainer::getReplicaSetUrl);
+    }
+
+
+
+    @Override
+    protected OrdersEventHandler getHandler() {
+        mongoClient.getDatabase("axonframework")
+          .drop();
+        return new MongoOrdersEventHandler(mongoClient, emitter);
+    }
+}

patterns-modules/axon/src/test/java/com/baeldung/axon/querymodel/MongoOrdersEventHandlerUnitTest.java

@@ -1,20 +0,0 @@
-package com.baeldung.axon.querymodel;
-
-import com.mongodb.client.MongoClient;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.autoconfigure.data.mongo.DataMongoTest;
-
-@DataMongoTest
-public class MongoOrdersEventHandlerUnitTest extends AbstractOrdersEventHandlerUnitTest {
-
-    @Autowired
-    MongoClient mongoClient;
-
-    @Override
-    protected OrdersEventHandler getHandler() {
-        mongoClient.getDatabase("axonframework")
-          .drop();
-        return new MongoOrdersEventHandler(mongoClient, emitter);
-    }
-}