Add hibernate to Student

Author: OctaviPascual

src/mooc/main/resources/database/mooc.sql

@@ -59,3 +59,14 @@ CREATE TABLE IF NOT EXISTS domain_events (
     ENGINE = InnoDB
     DEFAULT CHARSET = utf8mb4
     COLLATE = utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS students (
+    id      CHAR(36)     NOT NULL,
+    name    VARCHAR(255) NOT NULL,
+    surname VARCHAR(255) NOT NULL,
+    email   VARCHAR(255) NOT NULL,
+    PRIMARY KEY (id)
+)
+    ENGINE = InnoDB
+    DEFAULT CHARSET = utf8mb4
+    COLLATE = utf8mb4_unicode_ci;

src/mooc/main/tv/codely/mooc/students/domain/Student.java

@@ -15,6 +15,13 @@ public Student(StudentId id, StudentName name, StudentSurname surname, StudentEm
         this.email   = email;
     }
 
+    private Student() {
+        id      = null;
+        name    = null;
+        surname = null;
+        email   = null;
+    }
+
     public static Student create(StudentId id, StudentName name, StudentSurname surname, StudentEmail email) {
         return new Student(id, name, surname, email);
     }

src/mooc/main/tv/codely/mooc/students/domain/StudentEmail.java

@@ -6,4 +6,8 @@ public final class StudentEmail extends EmailValueObject {
     public StudentEmail(String email) {
         super(email);
     }
+
+    private StudentEmail() {
+        super("");
+    }
 }

src/mooc/main/tv/codely/mooc/students/domain/StudentId.java

@@ -6,4 +6,7 @@ public final class StudentId extends Identifier {
     public StudentId(String value) {
         super(value);
     }
+
+    private StudentId() {
+    }
 }

src/mooc/main/tv/codely/mooc/students/domain/StudentName.java

@@ -6,4 +6,8 @@ public final class StudentName extends StringValueObject {
     public StudentName(String value) {
         super(value);
     }
+
+    private StudentName() {
+        super("");
+    }
 }

src/mooc/main/tv/codely/mooc/students/domain/StudentSurname.java

@@ -6,4 +6,8 @@ public final class StudentSurname extends StringValueObject {
     public StudentSurname(String value) {
         super(value);
     }
+
+    private StudentSurname() {
+        super("");
+    }
 }

src/mooc/main/tv/codely/mooc/students/infrastructure/InMemoryStudentRepository.java renamed to src/mooc/main/tv/codely/mooc/students/infrastructure/persistence/InMemoryStudentRepository.java

@@ -1,13 +1,11 @@
-package tv.codely.mooc.students.infrastructure;
+package tv.codely.mooc.students.infrastructure.persistence;
 
 import tv.codely.mooc.students.domain.*;
-import tv.codely.shared.domain.Service;
 import tv.codely.shared.domain.UuidGenerator;
 
 import java.util.Arrays;
 import java.util.List;
 
-@Service
 public final class InMemoryStudentRepository implements StudentRepository {
     private UuidGenerator generator;
 

src/mooc/main/tv/codely/mooc/students/infrastructure/persistence/MySqlStudentRepository.java

@@ -0,0 +1,29 @@
+package tv.codely.mooc.students.infrastructure.persistence;
+
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.transaction.annotation.Transactional;
+import tv.codely.mooc.students.domain.Student;
+import tv.codely.mooc.students.domain.StudentRepository;
+import tv.codely.shared.domain.Service;
+import tv.codely.shared.infrastructure.hibernate.HibernateRepository;
+
+import java.util.List;
+
+@Service
+@Transactional("mooc-transaction_manager")
+public class MySqlStudentRepository extends HibernateRepository<Student> implements StudentRepository {
+    public MySqlStudentRepository(@Qualifier("mooc-session_factory") SessionFactory sessionFactory) {
+        super(sessionFactory, Student.class);
+    }
+
+    @Override
+    public void register(Student student) {
+        persist(student);
+    }
+
+    @Override
+    public List<Student> searchAll() {
+        return all();
+    }
+}

src/mooc/main/tv/codely/mooc/students/infrastructure/persistence/hibernate/Student.hbm.xml

@@ -0,0 +1,24 @@
+<?xml version = "1.0" encoding = "utf-8"?>
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD//EN"
+        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping>
+    <class name="tv.codely.mooc.students.domain.Student" table="students">
+        <composite-id name="id" class="tv.codely.mooc.students.domain.StudentId" access="field">
+            <key-property column="id" name="value" length="36" access="field"/>
+        </composite-id>
+
+        <component name="name" class="tv.codely.mooc.students.domain.StudentName" access="field">
+            <property name="value" column="name" type="string" access="field"/>
+        </component>
+
+        <component name="surname" class="tv.codely.mooc.students.domain.StudentSurname" access="field">
+            <property name="value" column="surname" type="string" access="field"/>
+        </component>
+
+        <component name="email" class="tv.codely.mooc.students.domain.StudentEmail" access="field">
+            <property name="value" column="email" type="string" access="field"/>
+        </component>
+    </class>
+</hibernate-mapping>

src/shared/main/tv/codely/shared/domain/EmailValueObject.java

@@ -6,15 +6,15 @@
 
 public abstract class EmailValueObject {
     private static final EmailValidator emailValidator = new EmailValidator();
-    private final        String         email;
+    private              String         value;
 
-    public EmailValueObject(String email) {
-        ensureValidEmail(email);
-        this.email = email;
+    public EmailValueObject(String value) {
+        ensureValidEmail(value);
+        this.value = value;
     }
 
     public String value() {
-        return email;
+        return value;
     }
 
     private void ensureValidEmail(String value) {
@@ -37,11 +37,11 @@ public boolean equals(Object o) {
             return false;
         }
         EmailValueObject that = (EmailValueObject) o;
-        return Objects.equals(email, that.email);
+        return Objects.equals(value, that.value);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(email);
+        return Objects.hash(value);
     }
 }