Composite 패턴 업데이트

src/gof/dp/composite/Category.java

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+package gof.dp.composite;
+
+import java.util.ArrayList;
+
+public class Category extends ProductCategory{
+
+    ArrayList<ProductCategory> list;
+
+    public Category(int id, String name, int price){
+        super(id, name, price);
+        list = new ArrayList<ProductCategory>();
+    }
+
+    @Override
+    public void addProduct(ProductCategory product) {
+        list.add(product);
+    }
+
+    @Override
+    public void removeProduct(ProductCategory product) {
+        list.remove(product);
+    }
+
+    @Override
+    public int getCount() {
+        return list.stream().mapToInt(ProductCategory::getCount).sum();
+    }
+
+    @Override
+    public String getName() {
+        return list.toString();
+    }
+
+    @Override
+    public int getPrice() {
+        return list.stream().mapToInt(ProductCategory::getPrice).sum();
+    }
+
+    @Override
+    public int getId() {
+        return 0;
+    }
+}

src/gof/dp/composite/CategoryClientTest.java

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+package gof.dp.composite;
+
+public class CategoryClientTest {
+    public static void main(String[] args) {
+
+        //여성상품 카테고리
+        ProductCategory womanCategory = new Category(1234, "Woman", 0);
+
+        ProductCategory clothesCategoryW = new Category(2345, "Clothes", 0); //여성상품 - 상품 카테고리 생성
+        ProductCategory bagCategoryW = new Category(3456, "Bag", 0);
+        ProductCategory shoesCategoryW = new Category(9876, "Shoes", 0);
+        womanCategory.addProduct(clothesCategoryW);
+        womanCategory.addProduct(bagCategoryW);
+        womanCategory.addProduct(shoesCategoryW);
+
+        ProductCategory bag1 = new Product(121, "HERMES", 500000); //여성 가방 상품 카테고리 상품 추가
+        ProductCategory bag2 = new Product(122, "LOUISVUITTON", 500000);
+        ProductCategory bag3 = new Product(123, "GUCCI", 500000);
+        bagCategoryW.addProduct(bag1);
+        bagCategoryW.addProduct(bag2);
+        bagCategoryW.addProduct(bag3);
+
+        ProductCategory shoes1 = new Product(121, "Nike", 100000); //여성 신발 상품 카테고리 상품 추가
+        ProductCategory shoes2 = new Product(122, "ADIDAS", 200000);
+        ProductCategory shoes3 = new Product(123, "GUCCI", 300000);
+        shoesCategoryW.addProduct(shoes1);
+        shoesCategoryW.addProduct(shoes2);
+        shoesCategoryW.addProduct(shoes3);
+
+        System.out.println(womanCategory.getCount());
+        System.out.println(womanCategory.getPrice());
+
+        //남성상품 카테고리
+        ProductCategory manCategory = new Category(5678, "Man", 0);
+
+        ProductCategory clothesCategoryM = new Category(23450, "Clothes", 0); //남성상품 - 상품 카테고리 생성
+        ProductCategory bagCategoryM = new Category(34560, "Bag", 0);
+        ProductCategory shoesCategoryM = new Category(98760, "Shoes", 0);
+        manCategory.addProduct(clothesCategoryM);
+        manCategory.addProduct(bagCategoryM);
+        manCategory.addProduct(shoesCategoryM);
+
+        ProductCategory bag4 = new Product(124, "BALENCIA", 500000); //남성 가방 상품 카테고리 상품 추가
+        ProductCategory bag5 = new Product(125, "PRADA", 500000);
+        ProductCategory bag6 = new Product(126, "MULBERRY", 500000);
+        bagCategoryM.addProduct(bag4);
+        bagCategoryM.addProduct(bag5);
+        bagCategoryM.addProduct(bag6);
+
+        ProductCategory shoes4 = new Product(124, "BALENCIA", 400000); //남성 신발 상품 카테고리 상품 추가
+        ProductCategory shoes5 = new Product(125, "PRADA", 500000);
+        ProductCategory shoes6 = new Product(126, "BALLY", 600000);
+        shoesCategoryM.addProduct(shoes4);
+        shoesCategoryM.addProduct(shoes5);
+        shoesCategoryM.addProduct(shoes6);
+
+        System.out.println(manCategory.getCount());
+        System.out.println(manCategory.getPrice());
+
+    }
+}

src/gof/dp/composite/Product.java

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+package gof.dp.composite;
+
+public class Product extends ProductCategory{
+
+    //생성자
+    public Product(int id, String name, int price){
+        super(id,name,price);
+    }
+
+
+    @Override
+    public void addProduct(ProductCategory product) {
+
+    }
+
+    @Override
+    public void removeProduct(ProductCategory product) {
+
+    }
+
+    @Override
+    public int getCount() {
+        return 1;
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public int getPrice() {
+        return price;
+    }
+
+    @Override
+    public int getId() {
+        return id;
+    }
+}

src/gof/dp/composite/ProductCategory.java

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+package gof.dp.composite;
+
+public abstract class ProductCategory {
+    int id;
+    String name;
+    int price;
+
+    public ProductCategory(int id, String name, int price){
+        this.id = id;
+        this.name = name;
+        this.price = price;
+    }
+
+    public abstract void addProduct(ProductCategory product);
+    public abstract void removeProduct(ProductCategory product);
+    public abstract int getCount();
+    public abstract String getName();
+    public abstract int getPrice();
+    public abstract int getId();
+
+
+}