Attachments to Doctrine Jira Issue DDC-1034 - https://github.com/doctrine/doctrine2/issues/1623

10940_TestClasses.php

<?php
namespace Che\Tmp;

/**
 * @Entity
 * @HasLifecycleCallbacks
 * @InheritanceType("JOINED")
 * @DiscriminatorColumn(name="discr", type="string")
 * @DiscriminatorMap({
 *  "derived" = "Che\Tmp\DerivedClass"
 * })
 */
abstract class BaseClass
{
    /**
     * @Id
     * @Column(type="integer", name="id")
     * @GeneratedValue
     */
    protected $id;
    
    protected $list;
    
    /**
     * @PostLoad
     */
    public function PostLoadBase()
    {
        echo 'Called '.__METHOD__."\n";
        
        $this->list   = new \Doctrine\Common\Collections\ArrayCollection();
        $this->list[] = 'base value';
    }
}

/**
 * @Entity
 * @HasLifecycleCallbacks
 */
class DerivedClass extends BaseClass
{
    /**
     * @PostLoad
     */
    public function PostLoadDerived()
    {
        echo 'Called '.__METHOD__."\n";
        
        $this->list[] = 'derived value';
    }
    
    public function EchoList()
    {
        echo '(';
        echo implode(', ', $this->list->toArray());
        echo ')';
    }
}

?>