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BAEL-3777: Working version

This commit is contained in:
Sorin Zamfir 2020-01-31 23:32:37 +02:00
parent 1981d10ffd
commit b05d42a6ea
10 changed files with 280 additions and 7 deletions
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17
ddd/src/main/java/com/baeldung/dddhexagonalspring/domain/Order.java
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@ -4,6 +4,7 @@ import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.UUID;
public class Order {
@ -77,6 +78,22 @@ public class Order {
return Collections.unmodifiableList(orderItems);
}
@Override
public int hashCode() {
return Objects.hash(id, orderItems, price, status);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof Order))
return false;
Order other = (Order) obj;
return Objects.equals(id, other.id) && Objects.equals(orderItems, other.orderItems) && Objects.equals(price, other.price) && status == other.status;
}
private Order() {
}
}

13
ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/CassandraDbOrderRepository.java
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@ -4,12 +4,14 @@ import java.util.Optional;
import java.util.UUID;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;
import com.baeldung.dddhexagonalspring.domain.Order;
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
@Component
@Primary
public class CassandraDbOrderRepository implements OrderRepository {
private final SpringDataCassandraOrderRepository orderRepository;
@ -21,14 +23,17 @@ public class CassandraDbOrderRepository implements OrderRepository {
@Override
public Optional<Order> findById(UUID id) {
// TODO Auto-generated method stub
return null;
Optional<OrderEntity> orderEntity = orderRepository.findById(id);
if (orderEntity.isPresent()) {
return Optional.of(orderEntity.get().toOrder());
} else {
return Optional.empty();
}
}
@Override
public void save(Order order) {
// TODO Auto-generated method stub
orderRepository.save(new OrderEntity(order));
}
}

1
ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepository.java
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@ -10,7 +10,6 @@ import java.util.Optional;
import java.util.UUID;
@Component
@Primary
public class MongoDbOrderRepository implements OrderRepository {
private final SpringDataMongoOrderRepository orderRepository;

75
ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/OrderEntity.java Normal file
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@ -0,0 +1,75 @@
package com.baeldung.dddhexagonalspring.infrastracture.repository;
import java.math.BigDecimal;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
import org.springframework.data.cassandra.core.mapping.PrimaryKey;
import com.baeldung.dddhexagonalspring.domain.Order;
import com.baeldung.dddhexagonalspring.domain.OrderItem;
import com.baeldung.dddhexagonalspring.domain.OrderStatus;
import com.baeldung.dddhexagonalspring.domain.Product;
public class OrderEntity {
@PrimaryKey
private UUID id;
private OrderStatus status;
private List<OrderItemEntity> orderItemEntities;
private BigDecimal price;
public OrderEntity(UUID id, OrderStatus status, List<OrderItemEntity> orderItemEntities, BigDecimal price) {
this.id = id;
this.status = status;
this.orderItemEntities = orderItemEntities;
this.price = price;
}
public OrderEntity() {
}
public OrderEntity(Order order) {
this.id = order.getId();
this.price = order.getPrice();
this.status = order.getStatus();
this.orderItemEntities = order.getOrderItems()
.stream()
.map(OrderItemEntity::new)
.collect(Collectors.toList());
}
public Order toOrder() {
List<OrderItem> orderItems = orderItemEntities.stream()
.map(OrderItemEntity::toOrderItem)
.collect(Collectors.toList());
List<Product> namelessProducts = orderItems.stream()
.map(orderItem -> new Product(orderItem.getProductId(), orderItem.getPrice(), ""))
.collect(Collectors.toList());
Order order = new Order(id, namelessProducts.remove(0));
namelessProducts.forEach(product -> order.addOrder(product));
if (status == OrderStatus.COMPLETED) {
order.complete();
}
return order;
}
public UUID getId() {
return id;
}
public OrderStatus getStatus() {
return status;
}
public List<OrderItemEntity> getOrderItems() {
return orderItemEntities;
}
public BigDecimal getPrice() {
return price;
}
}

44
ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/OrderItemEntity.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.dddhexagonalspring.infrastracture.repository;
import java.math.BigDecimal;
import java.util.UUID;
import org.springframework.data.cassandra.core.mapping.UserDefinedType;
import com.baeldung.dddhexagonalspring.domain.OrderItem;
import com.baeldung.dddhexagonalspring.domain.Product;
@UserDefinedType
public class OrderItemEntity {
private UUID productId;
private BigDecimal price;
public OrderItemEntity() {
}
public OrderItemEntity(final OrderItem orderItem) {
this.productId = orderItem.getProductId();
this.price = orderItem.getPrice();
}
public OrderItem toOrderItem() {
return new OrderItem(new Product(productId, price, ""));
}
public UUID getProductId() {
return productId;
}
public void setProductId(UUID productId) {
this.productId = productId;
}
public BigDecimal getPrice() {
return price;
}
public void setPrice(BigDecimal price) {
this.price = price;
}
}

2
ddd/src/main/java/com/baeldung/dddhexagonalspring/infrastracture/repository/SpringDataCassandraOrderRepository.java
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@ -8,6 +8,6 @@ import org.springframework.stereotype.Repository;
import com.baeldung.dddhexagonalspring.domain.Order;
@Repository
public interface SpringDataCassandraOrderRepository extends CassandraRepository<Order, UUID>{
public interface SpringDataCassandraOrderRepository extends CassandraRepository<OrderEntity, UUID>{
}

55
ddd/src/test/java/com/baeldung/dddhexagonalspring/infrastracture/repository/CassandraDbOrderRepositoryIntegrationTest.java Normal file
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@ -0,0 +1,55 @@
package com.baeldung.dddhexagonalspring.infrastracture.repository;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.math.BigDecimal;
import java.util.Optional;
import java.util.UUID;
import org.junit.After;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import com.baeldung.dddhexagonalspring.domain.Order;
import com.baeldung.dddhexagonalspring.domain.Product;
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
@SpringJUnitConfig
@SpringBootTest
@TestPropertySource("classpath:ddd-layers-test.properties")
class CassandraDbOrderRepositoryIntegrationTest {
@Autowired
private SpringDataCassandraOrderRepository cassandraOrderRepository;
@Autowired
private OrderRepository orderRepository;
@After
void cleanUp(){
cassandraOrderRepository.deleteAll();
}
@Test
void shouldFindById_thenReturnOrder() {
// given
final UUID id = UUID.randomUUID();
final Order order = createOrder(id);
order.complete();
// when
orderRepository.save(order);
final Optional<Order> result = orderRepository.findById(id);
assertEquals(order, result.get());
}
private Order createOrder(UUID id) {
return new Order(id, new Product(UUID.randomUUID(), BigDecimal.TEN, "product"));
}
}

54
ddd/src/test/java/com/baeldung/dddhexagonalspring/infrastracture/repository/MongoDbOrderRepositoryIntegrationTest.java Normal file
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@ -0,0 +1,54 @@
package com.baeldung.dddhexagonalspring.infrastracture.repository;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.math.BigDecimal;
import java.util.Optional;
import java.util.UUID;
import org.junit.After;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.TestPropertySource;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import com.baeldung.dddhexagonalspring.domain.Order;
import com.baeldung.dddhexagonalspring.domain.Product;
import com.baeldung.dddhexagonalspring.domain.repository.OrderRepository;
@SpringJUnitConfig
@SpringBootTest
@TestPropertySource("classpath:ddd-layers-test.properties")
class MongoDbOrderRepositoryIntegrationTest {
@Autowired
private SpringDataMongoOrderRepository mongoOrderRepository;
@Autowired
private OrderRepository orderRepository;
@After
void cleanUp(){
mongoOrderRepository.deleteAll();
}
@Test
void shouldFindById_thenReturnOrder() {
// given
final UUID id = UUID.randomUUID();
final Order order = createOrder(id);
// when
orderRepository.save(order);
final Optional<Order> result = orderRepository.findById(id);
assertEquals(order, result.get());
}
private Order createOrder(UUID id) {
return new Order(id, new Product(UUID.randomUUID(), BigDecimal.TEN, "product"));
}
}

12
ddd/src/test/resources/com/baeldung/dddhexagonalspring/cassandra.cql Normal file
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@ -0,0 +1,12 @@
CREATE KEYSPACE IF NOT exists order_database
WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};
CREATE TYPE order_database.orderitementity (productid uuid, price decimal);
CREATE TABLE order_database.orderentity(
id uuid,
status text,
orderitementities list<frozen<orderitementity>>,
price decimal,
primary key(id)
);

12
ddd/src/test/resources/ddd-layers-test.properties Normal file
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@ -0,0 +1,12 @@
spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration
spring.data.mongodb.host=127.0.0.1
spring.data.mongodb.port=27017
spring.data.mongodb.database=order-database
spring.data.mongodb.username=order
spring.data.mongodb.password=order
spring.data.cassandra.keyspaceName=order_database
spring.data.cassandra.username=cassandra
spring.data.cassandra.password=cassandra
spring.data.cassandra.contactPoints=127.0.0.1
spring.data.cassandra.port=9042