#30 jpa basic: entity mapping ex

hello-jpa/src/main/java/com/hello/jpa/entitymapping/ex00/Member.java

@@ -5,7 +5,7 @@ import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.Date;
 
-@Entity
+//@Entity
 @Table(name = "Member2")
 public class Member {
 

hello-jpa/src/main/java/com/hello/jpa/entitymapping/ex01/JpaMain.java

@@ -0,0 +1,31 @@
+package com.hello.jpa.entitymapping.ex01;
+
+import com.hello.jpa.entitymapping.ex00.Member;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+
+public class JpaMain {
+
+    public static void main(String[] args) {
+        EntityManagerFactory emf = Persistence.createEntityManagerFactory("hello");
+
+        EntityManager em = emf.createEntityManager();
+
+        EntityTransaction tx = em.getTransaction();
+        tx.begin();
+
+        try {
+
+            tx.commit();
+        } catch (Exception e) {
+            tx.rollback();
+        } finally {
+            em.close();
+        }
+
+        emf.close();
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/entitymapping/ex01/domain/Item.java

@@ -0,0 +1,50 @@
+package com.hello.jpa.entitymapping.ex01.domain;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Item {
+
+    @Id @GeneratedValue
+    @Column(name = "item_id")
+    private Long id;
+
+    private String name;
+    private int price;
+    private int stockQuantity;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getPrice() {
+        return price;
+    }
+
+    public void setPrice(int price) {
+        this.price = price;
+    }
+
+    public int getStockQuantity() {
+        return stockQuantity;
+    }
+
+    public void setStockQuantity(int stockQuantity) {
+        this.stockQuantity = stockQuantity;
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/entitymapping/ex01/domain/Member.java

@@ -0,0 +1,59 @@
+package com.hello.jpa.entitymapping.ex01.domain;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Member {
+
+    @Id @GeneratedValue
+    @Column(name = "member_id")
+    private Long id;
+
+    private String name;
+    private String city;
+    private String street;
+    private String zipcode;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    public String getStreet() {
+        return street;
+    }
+
+    public void setStreet(String street) {
+        this.street = street;
+    }
+
+    public String getZipcode() {
+        return zipcode;
+    }
+
+    public void setZipcode(String zipcode) {
+        this.zipcode = zipcode;
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/entitymapping/ex01/domain/Order.java

@@ -0,0 +1,52 @@
+package com.hello.jpa.entitymapping.ex01.domain;
+
+import javax.persistence.*;
+import java.time.LocalDateTime;
+
+@Entity
+@Table(name = "orders")
+public class Order {
+
+    @Id @GeneratedValue
+    @Column(name = "order_id")
+    private Long id;
+
+    @Column(name = "member_id")
+    private Long memberId;
+    private LocalDateTime orderDate;
+
+    @Enumerated(EnumType.STRING)
+    private OrderStatus status;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Long getMemberId() {
+        return memberId;
+    }
+
+    public void setMemberId(Long memberId) {
+        this.memberId = memberId;
+    }
+
+    public LocalDateTime getOrderDate() {
+        return orderDate;
+    }
+
+    public void setOrderDate(LocalDateTime orderDate) {
+        this.orderDate = orderDate;
+    }
+
+    public OrderStatus getStatus() {
+        return status;
+    }
+
+    public void setStatus(OrderStatus status) {
+        this.status = status;
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/entitymapping/ex01/domain/OrderItem.java

@@ -0,0 +1,63 @@
+package com.hello.jpa.entitymapping.ex01.domain;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class OrderItem {
+
+    @Id @GeneratedValue
+    @Column(name = "order_item_id")
+    private Long id;
+
+    @Column(name = "order_id")
+    private Long orderId;
+
+    @Column(name = "item_id")
+    private Long itemId;
+
+    private int orderPrice;
+    private int count;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Long getOrderId() {
+        return orderId;
+    }
+
+    public void setOrderId(Long orderId) {
+        this.orderId = orderId;
+    }
+
+    public Long getItemId() {
+        return itemId;
+    }
+
+    public void setItemId(Long itemId) {
+        this.itemId = itemId;
+    }
+
+    public int getOrderPrice() {
+        return orderPrice;
+    }
+
+    public void setOrderPrice(int orderPrice) {
+        this.orderPrice = orderPrice;
+    }
+
+    public int getCount() {
+        return count;
+    }
+
+    public void setCount(int count) {
+        this.count = count;
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/entitymapping/ex01/domain/OrderStatus.java

@@ -0,0 +1,6 @@
+package com.hello.jpa.entitymapping.ex01.domain;
+
+public enum OrderStatus {
+
+    ORDER, CANCEL
+}

hello-jpa/src/main/resources/META-INF/persistence.xml

@@ -5,6 +5,10 @@
     <persistence-unit name="hello">
         <class>com.hello.jpa.context.Member</class>
         <class>com.hello.jpa.entitymapping.ex00.Member</class>
+        <class>com.hello.jpa.entitymapping.ex01.domain.Item</class>
+        <class>com.hello.jpa.entitymapping.ex01.domain.Member</class>
+        <class>com.hello.jpa.entitymapping.ex01.domain.Order</class>
+        <class>com.hello.jpa.entitymapping.ex01.domain.OrderItem</class>
         <properties>
             <!-- 필수 속성 -->
             <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>