damianociarla/dynamic-discriminator-map-bundle

DCSDynamicDiscriminatorMapBundle simplifies the use of Doctrine Single Table Inheritance mapping strategy in Symfony2.

DynamicDiscriminatorMapBundle

DynamicDiscriminatorMapBundle simplifies the use of Doctrine Single Table and Class Table Inheritance mapping strategy in Symfony2, _(*1)

With this bundle you can adds dynamically all classes of a hierarchy to the options of DiscriminatorMap using a config file. This way you can apply the methodology of 'decoupling', _(*2)

Installation

Step 1: Download DynamicDiscriminatorMapBundle using composer

Add DynamicDiscriminatorMapBundle in your composer.json:, _(*3)

{
    "require": {
        "damianociarla/dynamic-discriminator-map-bundle": "dev-master"
    }
}

Step 2: Enable the bundle

Enable the bundle in the kernel:, _(*4)

<?php
// app/AppKernel.php

public function registerBundles()
{
    $bundles = array(
        // ...
        new DCS\DynamicDiscriminatorMapBundle\DCSDynamicDiscriminatorMapBundle(),
    );
}

Configuration

Parent class

This is an example of a parent class, _(*5)

<?php
namespace Acme\PersonBundle\Entity;

/**
 * @ORM\Entity
 * @ORM\Table(name="person")
 * @ORM\InheritanceType("SINGLE_TABLE")
 * @ORM\DiscriminatorColumn(name="type", type="string")
 * @ORM\DiscriminatorMap({"person" = "Person"})
 */
class Person
{
    // ...
}

Children classes

This is an example of two children classes, _(*6)

<?php
namespace Acme\StudentBundle\Entity;

use Acme\PersonBundle\Entity\Person;

/**
 * @ORM\Entity
 */
class Student extends Person
{
    // ...
}

<?php
namespace Acme\TeacherBundle\Entity;

use Acme\PersonBundle\Entity\Person;

/**
 * @ORM\Entity
 */
class Teacher extends Person
{
    // ...
}

Configuration file

# app/config/config.yml
dcs_dynamic_discriminator_map:
    mapping:
        person:
            entity: Acme\PersonBundle\Entity\Person
            map:
                student: Acme\StudentBundle\Entity\Student
                teacher: Acme\TeacherBundle\Entity\Teacher