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asia 2021-08-21 15:41:56 +02:00
parent 9935885d3b
commit c1b36b3bb0
8 changed files with 45 additions and 43 deletions
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6
hexagonal/src/main/java/com/baeldung/hexagonal/Application.java
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@ -6,7 +6,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

6
hexagonal/src/main/java/com/baeldung/hexagonal/adapter/in/ItemTransportObject.java
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@ -4,7 +4,7 @@ import lombok.Data;
@Data
class ItemTransportObject {
private String name;
private Integer quantity;
private String category;
private String name;
private Integer quantity;
private String category;
}

18
hexagonal/src/main/java/com/baeldung/hexagonal/adapter/out/Product.java
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@ -12,15 +12,15 @@ import lombok.Data;
@Data
public class Product {
@Id
public final Integer id;
@Column
public final String name;
@Column
public final Float price;
@Id
public final Integer id;
@Column
public final String name;
@Column
public final Float price;
public CartItem toItem() {
return new CartItem(name, price);
}
public CartItem toItem() {
return new CartItem(name, price);
}
}

2
hexagonal/src/main/java/com/baeldung/hexagonal/adapter/out/ProductCrudRepository.java
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@ -8,5 +8,5 @@ import com.baeldung.hexagonal.domain.ports.ProductRepository;
@Repository
public interface ProductCrudRepository extends CrudRepository<Product, Integer>, ProductRepository {
Product findByName(String name);
Product findByName(String name);
}

6
hexagonal/src/main/java/com/baeldung/hexagonal/domain/CartItem.java
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@ -6,8 +6,8 @@ import lombok.NonNull;
@Data
public class CartItem {
@NonNull
private final String name;
private final Float price;
@NonNull
private final String name;
private final Float price;
}

23
hexagonal/src/main/java/com/baeldung/hexagonal/domain/ShoppingCart.java
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@ -7,16 +7,19 @@ import lombok.RequiredArgsConstructor;
@RequiredArgsConstructor
class ShoppingCart {
private final Map<CartItem, Integer> itemToQuantity;
private final Map<CartItem, Integer> itemToQuantity;
Float getTotalCartValue() {
return itemToQuantity.entrySet().stream()
.map(item -> item.getKey().getPrice() * item.getValue()).reduce(0f, Float::sum);
}
Float getTotalCartValue() {
return itemToQuantity.entrySet()
.stream()
.map(item -> item.getKey()
.getPrice() * item.getValue())
.reduce(0f, Float::sum);
}
void addItem(CartItem cartItem, Integer quantity) {
if (quantity < 0)
throw new IllegalArgumentException("Quantity should not be negative.");
itemToQuantity.put(cartItem, itemToQuantity.getOrDefault(cartItem, 0) + quantity);
}
void addItem(CartItem cartItem, Integer quantity) {
if (quantity < 0)
throw new IllegalArgumentException("Quantity should not be negative.");
itemToQuantity.put(cartItem, itemToQuantity.getOrDefault(cartItem, 0) + quantity);
}
}

2
hexagonal/src/main/java/com/baeldung/hexagonal/domain/ports/ProductRepository.java
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@ -4,5 +4,5 @@ import com.baeldung.hexagonal.adapter.out.Product;
public interface ProductRepository {
Product findByName(String name);
Product findByName(String name);
}

25
hexagonal/src/test/java/com/baeldung/hexagonal/domain/ShoppingCartTest.java
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@ -7,23 +7,22 @@ import java.util.Map;
import org.junit.jupiter.api.Test;
class ShoppingCartTest {
@Test
void givenNonemptyShoppingCart_whenGetTotalCartValueCalled_thenShouldCalculateCorrectly() {
@Test
void givenNonemptyShoppingCart_whenGetTotalCartValueCalled_thenShouldCalculateCorrectly() {
// given
Map<CartItem, Integer> items = new HashMap<>();
items.put(new CartItem("Cheese", 1.5f), 2);
items.put(new CartItem("Lemon", 2f), 5);
// given
Map<CartItem, Integer> items = new HashMap<>();
items.put(new CartItem("Cheese", 1.5f), 2);
items.put(new CartItem("Lemon", 2f), 5);
ShoppingCart cart = new ShoppingCart(items);
ShoppingCart cart = new ShoppingCart(items);
// when
Float totalCartValue = cart.getTotalCartValue();
// when
Float totalCartValue = cart.getTotalCartValue();
// then
assertEquals(totalCartValue, 13f, 0);
}
// then
assertEquals(totalCartValue, 13f, 0);
}
}