New Example

Author: Rajeev Kumar Singh

hibernate-one-to-one-demo/src/main/java/com/example/hibernate/HibernateOneToOneDemoApplication.java

@@ -1,60 +1,63 @@
 package com.example.hibernate;
 
-import com.example.hibernate.model.Driver;
-import com.example.hibernate.model.DrivingLicense;
-import com.example.hibernate.repository.DriverRepository;
-import com.example.hibernate.repository.DrivingLicenseRepository;
+import com.example.hibernate.model.Gender;
+import com.example.hibernate.model.User;
+import com.example.hibernate.model.UserProfile;
+import com.example.hibernate.repository.UserRepository;
+import com.example.hibernate.repository.UserProfileRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.Calendar;
 
 @SpringBootApplication
 public class HibernateOneToOneDemoApplication implements CommandLineRunner {
 
 	@Autowired
-	private DriverRepository driverRepository;
+	private UserRepository userRepository;
 
 	@Autowired
-    private DrivingLicenseRepository drivingLicenseRepository;
+    private UserProfileRepository userProfileRepository;
 
 	public static void main(String[] args) {
 		SpringApplication.run(HibernateOneToOneDemoApplication.class, args);
 	}
 
 	@Override
 	public void run(String... args) throws Exception {
-	    // Clean up database tables
-	    drivingLicenseRepository.deleteAllInBatch();
-	    driverRepository.deleteAllInBatch();
+		// Clean up database tables
+		userProfileRepository.deleteAllInBatch();
+		userRepository.deleteAllInBatch();
 
-	    //=========================================
+		//=========================================
 
-	    // Create a Driver instance
-		Driver driver = new Driver("Rajeev Kumar Singh", "rajeev@callicoder.com",
-				"+91-9999999999");
+		// Create a User instance
+		User user = new User("Rajeev", "Singh", "rajeev@callicoder.com",
+				"MY_SUPER_SECRET_PASSWORD");
 
-		// Create a Driving License instance
-		Calendar issueDate = Calendar.getInstance();
-		issueDate.set(2017, 7, 21);
+		Calendar dateOfBirth = Calendar.getInstance();
+		dateOfBirth.set(1992, 7, 21);
 
-		Calendar expiryDate = Calendar.getInstance();
-		expiryDate.set(2027, 7, 21);
+		// Create a UserProfile instance
+		UserProfile userProfile = new UserProfile("+91-8197882053", Gender.MALE, dateOfBirth.getTime(),
+				"747", "2nd Cross", "Golf View Road, Kodihalli", "Bangalore",
+				"Karnataka", "India", "560008");
 
-		DrivingLicense drivingLicense = new DrivingLicense("MH-383321-323-8080",
-				issueDate.getTime(), expiryDate.getTime());
 
-		// Set child reference(drivingLicense) in parent entity(driver)
-        driver.setDrivingLicense(drivingLicense);
+		// Set child reference(userProfile) in parent entity(user)
+		user.setUserProfile(userProfile);
 
-        // Set parent reference(driver) in child entity(drivingLicense)
-        drivingLicense.setDriver(driver);
+		// Set parent reference(user) in child entity(userProfile)
+		userProfile.setUser(user);
 
-        // Save Parent Reference (which will save the child as well)
-		driverRepository.save(driver);
+		// Save Parent Reference (which will save the child as well)
+		userRepository.save(user);
 
-        //=========================================
+		//=========================================
 	}
+
+
 }

hibernate-one-to-one-demo/src/main/java/com/example/hibernate/model/Driver.java

@@ -0,0 +1,9 @@
+package com.example.hibernate.model;
+
+/**
+ * Created by rajeevkumarsingh on 29/11/17.
+ */
+public enum Gender {
+    MALE,
+    FEMALE
+}

hibernate-one-to-one-demo/src/main/java/com/example/hibernate/model/DrivingLicense.java

@@ -0,0 +1,106 @@
+package com.example.hibernate.model;
+
+import org.hibernate.annotations.Fetch;
+import org.hibernate.annotations.FetchMode;
+import org.hibernate.validator.constraints.Email;
+
+import javax.persistence.*;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Size;
+import java.io.Serializable;
+
+/**
+ * Created by rajeevkumarsingh on 20/11/17.
+ */
+@Entity
+@Table(name = "users")
+public class User implements Serializable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    @NotNull
+    @Size(max = 65)
+    @Column(name = "first_name")
+    private String firstName;
+
+    @Size(max = 65)
+    @Column(name = "last_name")
+    private String lastName;
+
+    @NotNull
+    @Email
+    @Size(max = 100)
+    @Column(unique = true)
+    private String email;
+
+    @NotNull
+    @Size(max = 128)
+    private String password;
+
+    @OneToOne(fetch = FetchType.LAZY,
+            cascade =  CascadeType.ALL,
+            mappedBy = "user")
+    private UserProfile userProfile;
+
+    // Hibernate requires a no-arg constructor
+    public User() {
+
+    }
+
+    public User(String firstName, String lastName, String email, String password) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.email = email;
+        this.password = password;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+
+    public UserProfile getUserProfile() {
+        return userProfile;
+    }
+
+    public void setUserProfile(UserProfile userProfile) {
+        this.userProfile = userProfile;
+    }
+}