element-collection-demo

Author: Rajeev Kumar Singh

.gitignore

@@ -21,4 +21,6 @@ build/
 nbbuild/
 dist/
 nbdist/
-.nb-gradle/
+.nb-gradle/
+
+.DS_Store

hibernate-element-collection-demo/src/main/java/com/example/hibernateelementcollectiondemo/HibernateElementCollectionDemoApplication.java

@@ -1,12 +1,40 @@
 package com.example.hibernateelementcollectiondemo;
 
+import com.example.hibernateelementcollectiondemo.model.Address;
+import com.example.hibernateelementcollectiondemo.model.User;
+import com.example.hibernateelementcollectiondemo.repository.UserRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+import java.util.HashSet;
+import java.util.Set;
+
 @SpringBootApplication
-public class HibernateElementCollectionDemoApplication {
+public class HibernateElementCollectionDemoApplication implements CommandLineRunner {
+
+	@Autowired
+	private UserRepository userRepository;
 
 	public static void main(String[] args) {
 		SpringApplication.run(HibernateElementCollectionDemoApplication.class, args);
 	}
+
+	@Override
+	public void run(String... args) throws Exception {
+		userRepository.deleteAllInBatch();
+
+		Set<String> phoneNumbers = new HashSet<>();
+		phoneNumbers.add("+91-9999999999");
+		phoneNumbers.add("+91-9898989898");
+
+		Set<Address> addresses = new HashSet<>();
+		addresses.add(new Address("747", "Golf View Road", "Kodihalli", "Bangalore", "India", "560008"));
+		addresses.add(new Address("Tower C", "Diamong District", "Domlur", "Bangalore", "India", "560008"));
+
+		User user = new User("Rajeev Kumar Singh", "rajeevs@flock.com", phoneNumbers, addresses);
+
+		userRepository.save(user);
+	}
 }

hibernate-element-collection-demo/src/main/java/com/example/hibernateelementcollectiondemo/model/Address.java

@@ -25,6 +25,19 @@ public class Address {
     @NotNull
     private String zipCode;
 
+    public Address() {
+
+    }
+
+    public Address(String addressLine1, String addressLine2, String city, String state, String country, String zipCode) {
+        this.addressLine1 = addressLine1;
+        this.addressLine2 = addressLine2;
+        this.city = city;
+        this.state = state;
+        this.country = country;
+        this.zipCode = zipCode;
+    }
+
     public String getAddressLine1() {
         return addressLine1;
     }

hibernate-element-collection-demo/src/main/java/com/example/hibernateelementcollectiondemo/model/User.java

@@ -6,12 +6,14 @@
 import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Size;
+import java.util.HashSet;
 import java.util.Set;
 
 /**
  * Created by rajeevkumarsingh on 22/11/17.
  */
 @Entity
+@Table(name = "users")
 public class User {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
@@ -29,7 +31,7 @@ public class User {
     @ElementCollection
     @CollectionTable(name = "user_phone_numbers", joinColumns = @JoinColumn(name = "user_id"))
     @Column(name = "phone_number")
-    private Set<String> phoneNumbers;
+    private Set<String> phoneNumbers = new HashSet<>();
 
     @Valid
     @ElementCollection
@@ -38,7 +40,19 @@ public class User {
             @AttributeOverride(name = "addressLine1", column = @Column(name = "address1")),
             @AttributeOverride(name = "addressLine2", column = @Column(name = "address2"))
     })
-    private Set<Address> addresses;
+    private Set<Address> addresses = new HashSet<>();
+
+
+    public User() {
+
+    }
+
+    public User(String name, String email, Set<String> phoneNumbers, Set<Address> addresses) {
+        this.name = name;
+        this.email = email;
+        this.phoneNumbers = phoneNumbers;
+        this.addresses = addresses;
+    }
 
     public Long getId() {
         return id;

hibernate-element-collection-demo/src/main/java/com/example/hibernateelementcollectiondemo/repository/UserRepository.java

@@ -2,10 +2,12 @@
 
 import com.example.hibernateelementcollectiondemo.model.User;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
 
 /**
  * Created by rajeevkumarsingh on 22/11/17.
  */
+@Repository
 public interface UserRepository extends JpaRepository<User, Long> {
 
 }

hibernate-element-collection-demo/src/main/resources/application.properties

@@ -0,0 +1,15 @@
+# DATASOURCE (DataSourceAutoConfiguration & DataSourceProperties)
+spring.datasource.url=jdbc:mysql://localhost:3306/hibernate_element_collection_demo?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true&useSSL=false
+spring.datasource.username=root
+spring.datasource.password=root
+
+# Hibernate
+
+# The SQL dialect makes Hibernate generate better SQL for the chosen database
+spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
+
+# Hibernate ddl auto (create, create-drop, validate, update)
+spring.jpa.hibernate.ddl-auto = update
+
+logging.level.org.hibernate.SQL=DEBUG
+logging.level.org.hibernate.type=TRACE