Some symfony tricks

repository.xml

<?xml version="1.0" ?>
<!-- configuring object repositories as services -->
<container xmlns="http://symfony.com/schema/dic/services"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">

    <services>
        <service id="entity.repository.facebook_identity"
                 class="Doctrine\ORM\EntityRepository"
                 factory-service="doctrine.orm.entity_manager"
                 factory-method="getRepository"
                 lazy="true">
            <argument>FrneAuthBundle:FacebookIdentity</argument>
        </service>
    </services>
</container>