Changes in code

Author: TomaszGaweda

pom.xml

@@ -11,13 +11,12 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.4.1</version>
-        <relativePath/>
+        <version>3.4.1</version>
     </parent>
 
     <properties>
-        <java.version>1.8</java.version>
-        <hazelcast.version>5.3.2</hazelcast.version>
+        <java.version>17</java.version>
+        <hazelcast.version>5.5.0</hazelcast.version>
     </properties>
 
     <build>
@@ -36,7 +35,7 @@
                 <plugins>
                     <plugin>
                         <artifactId>maven-failsafe-plugin</artifactId>
-                        <version>2.22.2</version>
+                        <version>3.5.2</version>
                         <executions>
                             <execution>
                                 <goals>
@@ -77,7 +76,7 @@
         <dependency>
             <groupId>net.minidev</groupId>
             <artifactId>json-smart</artifactId>
-            <version>2.3</version>
+            <version>2.5.1</version>
             <scope>test</scope>
         </dependency>
     </dependencies>

src/main/java/guides/hazelcast/springboot/CommandController.java

@@ -1,32 +1,27 @@
 package guides.hazelcast.springboot;
 
-import com.hazelcast.core.HazelcastInstance;
+import com.hazelcast.map.IMap;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
 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 java.util.concurrent.ConcurrentMap;
-
 @RestController
 public class CommandController {
-    @Autowired
-    private HazelcastInstance hazelcastInstance;
-
-    private ConcurrentMap<String,String> retrieveMap() {
-        return hazelcastInstance.getMap("map");
-    }
+    @Autowired @Qualifier("map")
+    private IMap<String, String> map;
 
     @PostMapping("/put")
     public CommandResponse put(@RequestParam(value = "key") String key, @RequestParam(value = "value") String value) {
-        retrieveMap().put(key, value);
+        map.put(key, value);
         return new CommandResponse(value);
     }
 
     @GetMapping("/get")
     public CommandResponse get(@RequestParam(value = "key") String key) {
-        String value = retrieveMap().get(key);
+        String value = map.get(key);
         return new CommandResponse(value);
     }
 }

src/main/java/guides/hazelcast/springboot/CommandResponse.java

@@ -1,18 +1,4 @@
 package guides.hazelcast.springboot;
 
-public class CommandResponse {
-
-    private String value;
-
-    public CommandResponse(String value) {
-        this.value  = value;
-    }
-
-    public String getValue() {
-        return value;
-    }
-
-    public void setValue(String value) {
-        this.value = value;
-    }
+public record CommandResponse (String value) {
 }

src/main/java/guides/hazelcast/springboot/HazelcastApplication.java

@@ -1,7 +1,10 @@
 package guides.hazelcast.springboot;
 
+import com.hazelcast.core.HazelcastInstance;
+import com.hazelcast.map.IMap;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
 import org.springframework.web.bind.annotation.RestController;
 
 @SpringBootApplication
@@ -10,4 +13,9 @@ public class HazelcastApplication {
     public static void main(String[] args) {
         SpringApplication.run(HazelcastApplication.class, args);
     }
+
+    @Bean
+    public IMap<String, String> map(HazelcastInstance instance) {
+        return instance.getMap("map");
+    }
 }