Updated the task for transactional-user-service

Author: tboychuk

transactional-user-service/src/main/java/com/bobocode/config/JpaConfig.java

@@ -4,6 +4,7 @@
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
 import org.springframework.orm.jpa.JpaVendorAdapter;
 import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.vendor.Database;
 import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
 
 import javax.sql.DataSource;
@@ -16,9 +17,7 @@
  * todo: 1. Mark this class as spring config
  * todo: 2. Configure a bean of {@link DataSource}
  * todo: 3. Configure a bean of {@link JpaVendorAdapter}
- * todo: 4. Set adapter database to tell Hibernate which dialect to use
- * todo: 5. Configure bean {@link javax.persistence.EntityManagerFactory} with name "entityManagerFactory"
- * todo: 6. Configure package "com.bobocode.model" to scan for JPA entities
+ * todo: 4. Configure bean {@link javax.persistence.EntityManagerFactory} with name "entityManagerFactory"
  *
  */
 public class JpaConfig {
@@ -30,7 +29,7 @@ public DataSource dataSource() {
 
     public JpaVendorAdapter jpaVendorAdapter() {
         HibernateJpaVendorAdapter adapter = new HibernateJpaVendorAdapter();
-        // todo: 4. Set adapter database to tell Hibernate which dialect to use
+        adapter.setDatabase(Database.H2);
         adapter.setShowSql(true);
         adapter.setGenerateDdl(true); // this sets hibernate.hbm2ddl.auto=update (Hibernate will generate db tables)
         return adapter;
@@ -40,7 +39,7 @@ public LocalContainerEntityManagerFactoryBean localContainerEMF(DataSource dataS
         LocalContainerEntityManagerFactoryBean emf = new LocalContainerEntityManagerFactoryBean();
         emf.setDataSource(dataSource);
         emf.setJpaVendorAdapter(jpaVendorAdapter);
-        // todo: 6. Configure package "com.bobocode.model" to scan for JPA entities
+        // todo: 5. Configure package "com.bobocode.model" to scan for JPA entities
         return emf;
     }
 }

transactional-user-service/src/main/java/com/bobocode/dao/impl/JpaUserDao.java

@@ -14,7 +14,7 @@
  * <p>
  * todo: 1. Configure {@link JpaUserDao} bean as Spring Repository with name "userDao"
  * todo: 2. Enable transaction management on class level
- * todo: 3. Inject persistence context into {@link EntityManager} field
+ * todo: 3. Inject {@link EntityManager} using @{@link PersistenceContext} annotation
  */
 public class JpaUserDao implements UserDao {
     private EntityManager entityManager;

transactional-user-service/src/main/java/com/bobocode/service/UserService.java

@@ -30,11 +30,7 @@ public List<User> getAll() {
     }
 
     public List<User> getAllAdmins() {
-        return userDao.findAll().stream()
-                .filter(user -> user.getRoles().stream()
-                        .map(Role::getRoleType)
-                        .anyMatch(roleType -> roleType.equals(RoleType.ADMIN)))
-                .collect(toList());
+        throw new UnsupportedOperationException("Don't be lazy and implement the method");
     }
 
     public void addRole(Long userId, RoleType roleType) {