#30 jpa basic: jpql basic

hello-jpa/src/main/java/com/hello/jpa/query/entity/Address.java

@@ -0,0 +1,35 @@
+package com.hello.jpa.query.entity;
+
+import javax.persistence.Embeddable;
+
+@Embeddable
+public class Address {
+
+    private String city;
+    private String street;
+    private String zipcode;
+
+    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/query/entity/Member.java

@@ -1,9 +1,6 @@
-package com.hello.jpa.query;
+package com.hello.jpa.query.entity;
 
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
+import javax.persistence.*;
 
 @Entity
 public class Member {
@@ -12,6 +9,19 @@ public class Member {
     private Long id;
 
     private String name;
+    private int age;
+
+    @ManyToOne
+    @JoinColumn(name = "team_id")
+    private Team team;
+
+    public int getAge() {
+        return age;
+    }
+
+    public void setAge(int age) {
+        this.age = age;
+    }
 
     public Long getId() {
         return id;

hello-jpa/src/main/java/com/hello/jpa/query/entity/Order.java

@@ -0,0 +1,52 @@
+package com.hello.jpa.query.entity;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "orders")
+public class Order {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+    private int orderAmount;
+
+    @Embedded
+    private Address address;
+
+    @ManyToOne
+    @JoinColumn(name = "product_id")
+    private Product product;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public int getOrderAmount() {
+        return orderAmount;
+    }
+
+    public void setOrderAmount(int orderAmount) {
+        this.orderAmount = orderAmount;
+    }
+
+    public Address getAddress() {
+        return address;
+    }
+
+    public void setAddress(Address address) {
+        this.address = address;
+    }
+
+    public Product getProduct() {
+        return product;
+    }
+
+    public void setProduct(Product product) {
+        this.product = product;
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/query/entity/Product.java

@@ -0,0 +1,48 @@
+package com.hello.jpa.query.entity;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Product {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+    private String name;
+    private int price;
+    private int stockAmount;
+
+    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 getStockAmount() {
+        return stockAmount;
+    }
+
+    public void setStockAmount(int stockAmount) {
+        this.stockAmount = stockAmount;
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/query/entity/Team.java

@@ -0,0 +1,36 @@
+package com.hello.jpa.query.entity;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.OneToMany;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+public class Team {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+    private String name;
+
+    @OneToMany(mappedBy = "team")
+    private List<Member> members = new ArrayList<>();
+
+    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;
+    }
+}

hello-jpa/src/main/java/com/hello/jpa/query/jpqlBasic.java

@@ -1,5 +1,7 @@
 package com.hello.jpa.query;
 
+import com.hello.jpa.query.entity.Member;
+
 import javax.persistence.EntityManager;
 import javax.persistence.EntityManagerFactory;
 import javax.persistence.EntityTransaction;
@@ -9,7 +11,7 @@ import javax.persistence.criteria.CriteriaQuery;
 import javax.persistence.criteria.Root;
 import java.util.List;
 
-public class JpaMain {
+public class jpqlBasic {
 
     public static void main(String[] args) {
         EntityManagerFactory emf = Persistence.createEntityManagerFactory("hello");

hello-jpa/src/main/java/com/hello/jpa/query/jpqlBasic2.java

@@ -0,0 +1,38 @@
+package com.hello.jpa.query;
+
+import com.hello.jpa.query.entity.Member;
+
+import javax.persistence.*;
+
+public class jpqlBasic2 {
+
+    public static void main(String[] args) {
+        EntityManagerFactory emf = Persistence.createEntityManagerFactory("hello");
+
+        EntityManager em = emf.createEntityManager();
+
+        EntityTransaction tx = em.getTransaction();
+        tx.begin();
+
+        try {
+            Member member = new Member();
+            member.setName("member");
+            member.setAge(10);
+            em.persist(member);
+
+            Member singleResult = em.createQuery("select m from Member m where m.name = :name", Member.class)
+                    .setParameter("name", "member")
+                    .getSingleResult();
+
+            System.out.println("singleResult = " + singleResult);
+
+            tx.commit();
+        } catch (Exception e) {
+            tx.rollback();
+        } finally {
+            em.close();
+        }
+
+        emf.close();
+    }
+}

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

@@ -37,7 +37,10 @@
 <!--        <class>com.hello.jpa.valuetype.ex00.Member</class>-->
 <!--        <class>com.hello.jpa.valuetype.ex01.Member</class>-->
 <!--        <class>com.hello.jpa.valuetype.ex02.Member</class>-->
-        <class>com.hello.jpa.query.Member</class>
+        <class>com.hello.jpa.query.entity.Member</class>
+        <class>com.hello.jpa.query.entity.Order</class>
+        <class>com.hello.jpa.query.entity.Product</class>
+        <class>com.hello.jpa.query.entity.Team</class>
 
         <properties>
             <!-- 필수 속성 -->