Move Spring Boot with embedded Hazelcast back [DEX-296]

spring/pom.xml

@@ -37,6 +37,7 @@
     </properties>
 
     <modules>
+        <module>spring-boot-embedded</module>
         <module>spring-configuration</module>
         <module>spring-data-hazelcast-chemistry-sample</module>
         <module>spring-data-jpa-hazelcast-migration</module>

spring/spring-boot-embedded/README.adoc

@@ -0,0 +1 @@
+See the link:https://docs.hazelcast.com/tutorials/hazelcast-embedded-springboot[tutorial].

spring/spring-boot-embedded/pom.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.4.0</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>com.hazelcast.samples</groupId>
+    <artifactId>spring-boot-hazelcast-embedded</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <name>Spring Boot with Hazelcast Embedded</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <!-- tag::hazelcast-dep[] -->
+        <dependency>
+            <groupId>com.hazelcast</groupId>
+            <artifactId>hazelcast-spring</artifactId>
+            <version>5.5.0</version>
+        </dependency>
+        <!-- end::hazelcast-dep[] -->
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

spring/spring-boot-embedded/src/main/java/guides/hazelcast/springboot/CommandController.java

@@ -0,0 +1,31 @@
+package guides.hazelcast.springboot;
+
+import com.hazelcast.map.IMap;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import static java.util.Objects.requireNonNull;
+
+@RestController
+public class CommandController {
+
+    private final IMap<String, String> keyValueMap;
+
+    public CommandController(IMap<String, String> keyValueMap) {
+        this.keyValueMap = requireNonNull(keyValueMap);
+    }
+
+    @PostMapping("/put")
+    public CommandResponse put(@RequestParam(value = "key") String key, @RequestParam(value = "value") String value) {
+        keyValueMap.put(key, value);
+        return new CommandResponse(value);
+    }
+
+    @GetMapping("/get")
+    public CommandResponse get(@RequestParam(value = "key") String key) {
+        String value = keyValueMap.get(key);
+        return new CommandResponse(value);
+    }
+}

spring/spring-boot-embedded/src/main/java/guides/hazelcast/springboot/CommandResponse.java

@@ -0,0 +1,4 @@
+package guides.hazelcast.springboot;
+
+public record CommandResponse(String value) {
+}

spring/spring-boot-embedded/src/main/java/guides/hazelcast/springboot/HazelcastApplication.java

@@ -0,0 +1,21 @@
+package guides.hazelcast.springboot;
+
+import com.hazelcast.core.HazelcastInstance;
+import com.hazelcast.map.IMap;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+
+@SpringBootApplication
+public class HazelcastApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(HazelcastApplication.class, args);
+    }
+
+    @Bean
+    public IMap<String, String> keyValueMap(@Autowired HazelcastInstance hazelcast) {
+        return hazelcast.getMap("keyValueMap");
+    }
+}

spring/spring-boot-embedded/src/main/resources/hazelcast.yaml

@@ -0,0 +1,2 @@
+hazelcast:
+  cluster-name: hazelcast-cluster

spring/spring-boot-embedded/src/test/java/guides/hazelcast/springboot/CommandControllerTest.java

@@ -0,0 +1,83 @@
+package guides.hazelcast.springboot;
+
+import com.hazelcast.core.Hazelcast;
+import com.hazelcast.core.HazelcastInstance;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.web.reactive.server.WebTestClient;
+
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.http.HttpHeaders.ACCEPT;
+import static org.springframework.http.MediaType.APPLICATION_JSON;
+import static org.springframework.http.MediaType.APPLICATION_JSON_VALUE;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+public class CommandControllerTest {
+
+    @Autowired
+    private WebTestClient webTestClient;
+
+    @Autowired
+    private HazelcastInstance hazelcastInstance;
+
+    @Autowired
+    private Map<String, String> keyValueMap;
+
+    @Test
+    public void testPutRequest() {
+        //when
+        WebTestClient.ResponseSpec responseSpec = makePostRequest("/put?key={key}&value={value}", "key1", "value1");
+
+        //then
+        responseSpec.expectStatus()
+                    .is2xxSuccessful()
+                    .expectHeader()
+                    .contentType(APPLICATION_JSON)
+                    .expectBody()
+                    .jsonPath("$.value").isEqualTo("value1");
+
+        assertThat(keyValueMap).containsEntry("key1", "value1");
+    }
+
+    @Test
+    public void testGetRequest() {
+        //given
+        makePostRequest("/put?key={key}&value={value}", "key1", "value1");
+
+        //when
+        WebTestClient.ResponseSpec responseSpec = webTestClient
+                .get()
+                .uri("/get?key={key}", "key1")
+                .header(ACCEPT, APPLICATION_JSON_VALUE)
+                .exchange();
+
+        //then
+        responseSpec.expectStatus()
+                    .is2xxSuccessful()
+                    .expectHeader()
+                    .contentType(APPLICATION_JSON)
+                    .expectBody()
+                    .jsonPath("$.value").isEqualTo("value1");
+    }
+
+    private WebTestClient.ResponseSpec makePostRequest(String uri, Object... parameters) {
+        return webTestClient
+                .post()
+                .uri(uri, parameters)
+                .header(ACCEPT, APPLICATION_JSON_VALUE)
+                .exchange();
+    }
+
+    @Test
+    public void testHazelcastCluster() {
+        //given
+        Hazelcast.newHazelcastInstance();
+
+        //then
+        assertThat(hazelcastInstance.getCluster().getMembers())
+                .hasSize(2);
+    }
+}

spring/spring-boot-embedded/src/test/resources/hazelcast.yaml

@@ -0,0 +1,6 @@
+hazelcast:
+  cluster-name: hazelcast-cluster
+  network:
+    join:
+      multicast:
+        enabled: true