#590 arrange Layers into packages and add explanation

layers/src/main/java/com/iluwatar/layers/app/App.java

@@ -21,8 +21,21 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.app;
 
+import com.iluwatar.layers.dao.CakeDao;
+import com.iluwatar.layers.dao.CakeLayerDao;
+import com.iluwatar.layers.dao.CakeToppingDao;
+import com.iluwatar.layers.dto.CakeInfo;
+import com.iluwatar.layers.dto.CakeLayerInfo;
+import com.iluwatar.layers.dto.CakeToppingInfo;
+import com.iluwatar.layers.entity.Cake;
+import com.iluwatar.layers.entity.CakeLayer;
+import com.iluwatar.layers.entity.CakeTopping;
+import com.iluwatar.layers.exception.CakeBakingException;
+import com.iluwatar.layers.service.CakeBakingService;
+import com.iluwatar.layers.service.CakeBakingServiceImpl;
+import com.iluwatar.layers.view.CakeViewImpl;
 import java.util.List;
 
 /**

layers/src/main/java/com/iluwatar/layers/dao/CakeDao.java

@@ -21,8 +21,9 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.dao;
 
+import com.iluwatar.layers.entity.Cake;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 

layers/src/main/java/com/iluwatar/layers/dao/CakeLayerDao.java

@@ -21,8 +21,9 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.dao;
 
+import com.iluwatar.layers.entity.CakeLayer;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 

layers/src/main/java/com/iluwatar/layers/dao/CakeToppingDao.java

@@ -21,8 +21,9 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.dao;
 
+import com.iluwatar.layers.entity.CakeTopping;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 

layers/src/main/java/com/iluwatar/layers/dto/CakeInfo.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.dto;
 
 import java.util.List;
 import java.util.Optional;

layers/src/main/java/com/iluwatar/layers/dto/CakeLayerInfo.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.dto;
 
 import java.util.Optional;
 

layers/src/main/java/com/iluwatar/layers/dto/CakeToppingInfo.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.dto;
 
 import java.util.Optional;
 

layers/src/main/java/com/iluwatar/layers/entity/Cake.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.entity;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -74,7 +74,7 @@ public class Cake {
     return layers;
   }
 
-  public final void setLayers(Set<CakeLayer> layers) {
+  public void setLayers(Set<CakeLayer> layers) {
     this.layers = layers;
   }
 

layers/src/main/java/com/iluwatar/layers/entity/CakeLayer.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.entity;
 
 import javax.persistence.CascadeType;
 import javax.persistence.Entity;
@@ -66,7 +66,7 @@ public class CakeLayer {
     return name;
   }
 
-  public final void setName(String name) {
+  public void setName(String name) {
     this.name = name;
   }
 
@@ -74,7 +74,7 @@ public class CakeLayer {
     return calories;
   }
 
-  public final void setCalories(int calories) {
+  public void setCalories(int calories) {
     this.calories = calories;
   }
 

layers/src/main/java/com/iluwatar/layers/entity/CakeTopping.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.entity;
 
 import javax.persistence.CascadeType;
 import javax.persistence.Entity;
@@ -66,11 +66,11 @@ public class CakeTopping {
     return name;
   }
 
-  public final void setName(String name) {
+  public void setName(String name) {
     this.name = name;
   }
 
-  public final int getCalories() {
+  public int getCalories() {
     return calories;
   }
 

layers/src/main/java/com/iluwatar/layers/exception/CakeBakingException.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.exception;
 
 /**
  * Custom exception used in cake baking.

layers/src/main/java/com/iluwatar/layers/service/CakeBakingService.java

@@ -21,8 +21,12 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.service;
 
+import com.iluwatar.layers.dto.CakeInfo;
+import com.iluwatar.layers.dto.CakeLayerInfo;
+import com.iluwatar.layers.dto.CakeToppingInfo;
+import com.iluwatar.layers.exception.CakeBakingException;
 import java.util.List;
 
 /**

layers/src/main/java/com/iluwatar/layers/service/CakeBakingServiceImpl.java

@@ -21,8 +21,18 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.service;
 
+import com.iluwatar.layers.dto.CakeInfo;
+import com.iluwatar.layers.dto.CakeLayerInfo;
+import com.iluwatar.layers.dto.CakeToppingInfo;
+import com.iluwatar.layers.dao.CakeDao;
+import com.iluwatar.layers.dao.CakeLayerDao;
+import com.iluwatar.layers.dao.CakeToppingDao;
+import com.iluwatar.layers.entity.Cake;
+import com.iluwatar.layers.entity.CakeLayer;
+import com.iluwatar.layers.entity.CakeTopping;
+import com.iluwatar.layers.exception.CakeBakingException;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Iterator;

layers/src/main/java/com/iluwatar/layers/view/CakeViewImpl.java

@@ -21,8 +21,9 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.view;
 
+import com.iluwatar.layers.service.CakeBakingService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

layers/src/main/java/com/iluwatar/layers/view/View.java

@@ -21,7 +21,7 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.view;
 
 /**
  * View interface.

layers/src/test/java/com/iluwatar/layers/app/AppTest.java

@@ -21,8 +21,9 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.app;
 
+import com.iluwatar.layers.app.App;
 import org.junit.jupiter.api.Test;
 
 /**

layers/src/test/java/com/iluwatar/layers/entity/CakeTest.java

@@ -21,8 +21,11 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.entity;
 
+import com.iluwatar.layers.entity.Cake;
+import com.iluwatar.layers.entity.CakeLayer;
+import com.iluwatar.layers.entity.CakeTopping;
 import org.junit.jupiter.api.Test;
 
 import java.util.HashSet;

layers/src/test/java/com/iluwatar/layers/exception/CakeBakingExceptionTest.java

@@ -21,8 +21,9 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.exception;
 
+import com.iluwatar.layers.exception.CakeBakingException;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;

layers/src/test/java/com/iluwatar/layers/service/CakeBakingServiceImplTest.java

@@ -21,8 +21,13 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.service;
 
+import com.iluwatar.layers.dto.CakeInfo;
+import com.iluwatar.layers.dto.CakeLayerInfo;
+import com.iluwatar.layers.dto.CakeToppingInfo;
+import com.iluwatar.layers.exception.CakeBakingException;
+import com.iluwatar.layers.service.CakeBakingServiceImpl;
 import org.junit.jupiter.api.Test;
 
 import java.util.Collections;

layers/src/test/java/com/iluwatar/layers/view/CakeViewImplTest.java

@@ -21,11 +21,16 @@
  * THE SOFTWARE.
  */
 
-package com.iluwatar.layers;
+package com.iluwatar.layers.view;
 
 import ch.qos.logback.classic.Logger;
 import ch.qos.logback.classic.spi.ILoggingEvent;
 import ch.qos.logback.core.AppenderBase;
+import com.iluwatar.layers.dto.CakeInfo;
+import com.iluwatar.layers.dto.CakeLayerInfo;
+import com.iluwatar.layers.dto.CakeToppingInfo;
+import com.iluwatar.layers.service.CakeBakingService;
+import com.iluwatar.layers.view.CakeViewImpl;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;