📍Use lombok, reformat, and optimize the code (#1560)

* Use lombok, reformat, and optimize the code

* Fix merge conflicts and some sonar issues

Co-authored-by: va1m <va1m@email.com>

data-locality/src/main/java/com/iluwatar/data/locality/Application.java

@@ -24,8 +24,7 @@
 package com.iluwatar.data.locality;
 
 import com.iluwatar.data.locality.game.GameEntity;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Use the Data Locality pattern is when you have a performance problem. Take advantage of that to
@@ -35,10 +34,9 @@ import org.slf4j.LoggerFactory;
  * <p>Example:  Game loop that processes a bunch of game entities. Those entities are decomposed
  * into different domains  — AI, physics, and rendering — using the Component pattern.
  */
+@Slf4j
 public class Application {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(Application.class);
-
   private static final int NUM_ENTITIES = 5;
 
   /**

data-locality/src/main/java/com/iluwatar/data/locality/game/GameEntity.java

@@ -26,8 +26,7 @@ package com.iluwatar.data.locality.game;
 import com.iluwatar.data.locality.game.component.manager.AiComponentManager;
 import com.iluwatar.data.locality.game.component.manager.PhysicsComponentManager;
 import com.iluwatar.data.locality.game.component.manager.RenderComponentManager;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * The game Entity maintains a big array of pointers . Each spin of the game loop, we need to run
@@ -39,8 +38,8 @@ import org.slf4j.LoggerFactory;
  *
  * <p>Render them using their render components.
  */
+@Slf4j
 public class GameEntity {
-  private static final Logger LOGGER = LoggerFactory.getLogger(GameEntity.class);
 
   private final AiComponentManager aiComponentManager;
   private final PhysicsComponentManager physicsComponentManager;

data-locality/src/main/java/com/iluwatar/data/locality/game/component/AiComponent.java

@@ -23,16 +23,14 @@
 
 package com.iluwatar.data.locality.game.component;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Implementation of AI component for Game.
  */
+@Slf4j
 public class AiComponent implements Component {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(AiComponent.class);
-
   /**
    * Update ai component.
    */

data-locality/src/main/java/com/iluwatar/data/locality/game/component/PhysicsComponent.java

@@ -23,16 +23,14 @@
 
 package com.iluwatar.data.locality.game.component;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Implementation of Physics Component of Game.
  */
+@Slf4j
 public class PhysicsComponent implements Component {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(PhysicsComponent.class);
-
   /**
    * update physics component of game.
    */

data-locality/src/main/java/com/iluwatar/data/locality/game/component/RenderComponent.java

@@ -23,16 +23,14 @@
 
 package com.iluwatar.data.locality.game.component;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Implementation of Render Component of Game.
  */
+@Slf4j
 public class RenderComponent implements Component {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(RenderComponent.class);
-
   @Override
   public void update() {
     // do nothing

data-locality/src/main/java/com/iluwatar/data/locality/game/component/manager/AiComponentManager.java

@@ -26,16 +26,14 @@ package com.iluwatar.data.locality.game.component.manager;
 import com.iluwatar.data.locality.game.component.AiComponent;
 import com.iluwatar.data.locality.game.component.Component;
 import java.util.stream.IntStream;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * AI component manager for Game.
  */
+@Slf4j
 public class AiComponentManager {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(AiComponentManager.class);
-
   private static final int MAX_ENTITIES = 10000;
 
   private final int numEntities;

data-locality/src/main/java/com/iluwatar/data/locality/game/component/manager/PhysicsComponentManager.java

@@ -26,16 +26,14 @@ package com.iluwatar.data.locality.game.component.manager;
 import com.iluwatar.data.locality.game.component.Component;
 import com.iluwatar.data.locality.game.component.PhysicsComponent;
 import java.util.stream.IntStream;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Physics component Manager for Game.
  */
+@Slf4j
 public class PhysicsComponentManager {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(PhysicsComponentManager.class);
-
   private static final int MAX_ENTITIES = 10000;
 
   private final int numEntities;

data-locality/src/main/java/com/iluwatar/data/locality/game/component/manager/RenderComponentManager.java

@@ -26,16 +26,14 @@ package com.iluwatar.data.locality.game.component.manager;
 import com.iluwatar.data.locality.game.component.Component;
 import com.iluwatar.data.locality.game.component.RenderComponent;
 import java.util.stream.IntStream;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Render component manager for Game.
  */
+@Slf4j
 public class RenderComponentManager {
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(RenderComponentManager.class);
-
   private static final int MAX_ENTITIES = 10000;
 
   private final int numEntities;

data-locality/src/test/java/com/iluwatar/data/locality/ApplicationTest.java

@@ -42,6 +42,6 @@ class ApplicationTest {
 
   @Test
   void shouldExecuteGameApplicationWithoutException() {
-    assertDoesNotThrow(() -> Application.main(new String[] {}));
+    assertDoesNotThrow(() -> Application.main(new String[]{}));
   }
 }