final

pom.xml

@@ -12,4 +12,26 @@
 		<maven.compiler.target>1.8</maven.compiler.target>
 	</properties>
 
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context</artifactId>
+			<version>5.2.1.RELEASE</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-test</artifactId>
+			<version>5.2.1.RELEASE</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.12</version>
+			<scope>test</scope>
+		</dependency>
+
+	</dependencies>
+
 </project>

src/main/java/com/epam/edu/spring/core/template/SpringCoreTemplate.java

@@ -1,8 +1,17 @@
 package com.epam.edu.spring.core.template;
 
+import com.epam.edu.spring.core.template.configuration.MainConfiguration;
+import com.epam.edu.spring.core.template.repository.ItemRepository;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
 public class SpringCoreTemplate {
 
-	public static void main(String[] args) {
+	public static void main(String[] args) throws Exception {
+
+		AnnotationConfigApplicationContext context
+				= new AnnotationConfigApplicationContext(MainConfiguration.class);
+
+		System.out.println(context);
 
 	}
 

src/main/java/com/epam/edu/spring/core/template/configuration/InitializerConfiguration.java

@@ -1,4 +1,23 @@
 package com.epam.edu.spring.core.template.configuration;
 
+import com.epam.edu.spring.core.template.entity.Color;
+import com.epam.edu.spring.core.template.entity.ColorFactory;
+import org.springframework.context.annotation.*;
+
+@Lazy
+@Configuration
 public class InitializerConfiguration {
+
+    @Bean
+    @Scope("prototype")
+    public ColorFactory colorFactory() {
+        return new ColorFactory();
+    }
+
+    @Bean
+    @Scope("prototype")
+    public Color getColor() throws Exception {
+        return colorFactory().getObject();
+    }
+
 }

src/main/java/com/epam/edu/spring/core/template/configuration/MainConfiguration.java

@@ -1,4 +1,40 @@
 package com.epam.edu.spring.core.template.configuration;
 
+import com.epam.edu.spring.core.template.entity.Color;
+import com.epam.edu.spring.core.template.repository.ItemRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.*;
+
+
+@Configuration
+@PropertySource("classpath:application.properties")
+@ComponentScan(basePackages = "com.epam.edu.spring.core.template")
+@Import({RepositoryConfiguration.class, InitializerConfiguration.class})
 public class MainConfiguration {
+
+    @Value("${item.repository.implementation}")
+    String implementation;
+
+    @Autowired
+    private RepositoryConfiguration repositoryConfiguration;
+
+    @Autowired
+    private InitializerConfiguration initializerConfiguration;
+
+    @Bean
+    public ItemRepository repository() {
+        if (implementation.equals("array")) {
+            return  repositoryConfiguration.arrayListItemRepository();
+        } else if (implementation.equals("linked")) {
+            return  repositoryConfiguration.linkedListItemRepository();
+        } else {
+            return repositoryConfiguration.arrayListItemRepository();
+        }
+    }
+
+    @Bean
+    public Color getColor() throws Exception {
+        return initializerConfiguration.getColor();
+    }
 }

src/main/java/com/epam/edu/spring/core/template/configuration/RepositoryConfiguration.java

@@ -1,4 +1,29 @@
 package com.epam.edu.spring.core.template.configuration;
 
+import com.epam.edu.spring.core.template.repository.ArrayListItemRepository;
+import com.epam.edu.spring.core.template.repository.ItemRepository;
+import com.epam.edu.spring.core.template.repository.LinkedListItemRepository;
+import org.springframework.context.annotation.*;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+
+
+@Configuration
+@ComponentScan(basePackages = "com.epam.edu.spring.core.template.repository")
 public class RepositoryConfiguration {
+
+    @Bean
+    @Scope("singleton")
+    public ItemRepository arrayListItemRepository() {
+
+        return new ArrayListItemRepository(new ArrayList<>());
+    }
+
+    @Bean
+    @Scope("singleton")
+    public ItemRepository linkedListItemRepository() {
+        return new LinkedListItemRepository(new LinkedList<>());
+    }
+
 }

src/main/java/com/epam/edu/spring/core/template/entity/Color.java

@@ -1,5 +1,10 @@
 package com.epam.edu.spring.core.template.entity;
 
 public enum Color {
-
+    RED,
+    BLUE,
+    GREEN,
+    BROWN,
+    YELLOW,
+    PINK
 }

src/main/java/com/epam/edu/spring/core/template/entity/ColorFactory.java

@@ -0,0 +1,48 @@
+package com.epam.edu.spring.core.template.entity;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.context.annotation.Scope;
+import org.springframework.stereotype.Component;
+
+import java.util.Random;
+
+
+@Component
+public class ColorFactory implements FactoryBean<Color> {
+
+    private int factoryId;
+    private int colorId;
+
+    @Override
+    public Color getObject() throws Exception {
+        Random random = new Random();
+        int randomNumber = random.ints(0, Color.values().length)
+                .limit(1)
+                .findFirst()
+                .getAsInt();
+
+        Color[] colors = Color.values();
+        return colors[randomNumber];
+    }
+
+    @Override
+    public Class<?> getObjectType() {
+        return Color.class;
+    }
+
+    public int getFactoryId() {
+        return factoryId;
+    }
+
+    public void setFactoryId(int factoryId) {
+        this.factoryId = factoryId;
+    }
+
+    public int getColorId() {
+        return colorId;
+    }
+
+    public void setColorId(int colorId) {
+        this.colorId = colorId;
+    }
+}

src/main/java/com/epam/edu/spring/core/template/entity/Item.java

@@ -1,5 +1,7 @@
 package com.epam.edu.spring.core.template.entity;
 
+import java.util.Objects;
+
 public class Item {
 
     private long id;
@@ -45,4 +47,20 @@ public Color getColor() {
     public void setColor(Color color) {
         this.color = color;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Item item = (Item) o;
+        return id == item.id &&
+                Double.compare(item.price, price) == 0 &&
+                Objects.equals(name, item.name) &&
+                color == item.color;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, name, price, color);
+    }
 }

src/main/java/com/epam/edu/spring/core/template/repository/ArrayListItemRepository.java

@@ -2,27 +2,57 @@
 
 import com.epam.edu.spring.core.template.entity.Item;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+
+
 /**
  * Репозиторий, основанный на классе ArrayList.
  * initialSequence должен браться из application.properties
  */
+@Component
 public class ArrayListItemRepository extends AbstractRepository<Item> implements ItemRepository {
 
+    private final ArrayList<Item> listItem;
+
+    @Autowired
+    public ArrayListItemRepository(ArrayList<Item> listItem) {
+        this.listItem = listItem;
+    }
+
     @Override
     public Item getById(long id) {
+        for (Item item : listItem) {
+            if (item.getId() == id) {
+                return item;
+            }
+        }
         return null;
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        for (Item itemInList : listItem) {
+            if (itemInList.equals(item)) {
+                return false;
+            }
+        }
+        listItem.add(item);
+        return true;
     }
 
     void setInitialSequence(int val) {
-        //TODO
+        this.initialSequence = val;
+    }
+
+    long getInitialSequence() {
+        return this.initialSequence;
     }
 
     void setHolder() {
-        //TODO
+        this.holder = new ArrayList<>();
     }
 }

src/main/java/com/epam/edu/spring/core/template/repository/LinkedListItemRepository.java

@@ -1,28 +1,56 @@
 package com.epam.edu.spring.core.template.repository;
 
 import com.epam.edu.spring.core.template.entity.Item;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.LinkedList;
+import java.util.ListIterator;
+import java.util.Random;
 
 /**
  * Репозиторий, основанный на классе LinkedList.
  * initialSequence должен случайно генерироваться из диапазона от 1 до 100
  */
+@Component
 public class LinkedListItemRepository extends AbstractRepository<Item> implements ItemRepository {
 
+    private final LinkedList<Item> listItem;
+
+    public LinkedListItemRepository(LinkedList<Item> listItem) {
+        this.listItem = listItem;
+    }
+
     @Override
     public Item getById(long id) {
+        for (Item item : listItem) {
+            if (item.getId() == id) {
+                return item;
+            }
+        }
         return null;
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        for (Item itemInList : listItem) {
+            if (itemInList.equals(item)) {
+                return false;
+            }
+        }
+        listItem.add(item);
+        return true;
     }
 
     void setInitialSequence(int val) {
-        //TODO
+        this.initialSequence = new Random().nextInt(1) + 100;
+    }
+
+    long getInitialSequence() {
+        return this.initialSequence;
     }
 
     void setHolder() {
-        //TODO
+        this.holder = new LinkedList<>();
     }
 }

src/main/java/com/epam/edu/spring/core/template/service/SimpleItemService.java

@@ -2,19 +2,28 @@
 
 import com.epam.edu.spring.core.template.entity.Item;
 import com.epam.edu.spring.core.template.validator.ItemValidator;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
 
 public class SimpleItemService implements ItemService {
 
-    private ItemService itemService;
-    private ItemValidator itemValidator;
+    private final ItemService itemService;
+
+    private final ItemValidator itemValidator;
+
+    @Autowired
+    public SimpleItemService(ItemService itemService, ItemValidator itemValidator) {
+        this.itemService = itemService;
+        this.itemValidator = itemValidator;
+    }
 
     @Override
     public Item getById(long id) {
-        return null;
+        return itemService.getById(id);
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        return itemValidator.isItemValid(item);
     }
 }

src/main/java/com/epam/edu/spring/core/template/validator/SimpleItemValidator.java

@@ -2,6 +2,8 @@
 
 import com.epam.edu.spring.core.template.entity.Item;
 
+
+
 public class SimpleItemValidator implements ItemValidator {
 
     @Override

src/main/resources/application.properties

@@ -1,2 +1,2 @@
 initial.sequence=42
-item.repository.implementation=
+item.repository.implementation=array