Can i persist abstract class in database using Doctrine2 and symfony

Question

I have this class structure

UserInterface --- abstract Class User extends UserInterface

class Teacher extends User

Now i am using class Table inheritance

so in dtabase i have two tables User and Teacher with FK to User

I am persisting abstract class like this

/**
 * @ORM\Entity(repositoryClass="xxxx\UserBundle\Repository\UserRepository")
 * @ORM\HasLifecycleCallbacks
 * @ORM\Table(name="user")
 * @ORM\InheritanceType("JOINED")
 * @ORM\DiscriminatorColumn(name="discr", type="string")
 * @ORM\DiscriminatorMap({"puser" = "User", "teacher" = "Teacher"})
 */
abstract class User implements UserInterface, GroupableInterface
{

I want to know that am i doing right???

Answer 1

As an Abstract class can not be initiated you can not persist it with Doctrine. You can persist classes which extends the Abstract class which in this case is Teacher.