Easy categorizing with Symfony2, gist #3.

gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>

<doctrine-mapping xmlns="http://doctrine-project.org/schemas/orm/doctrine-mapping"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">

    <entity name="Application\Bundle\AssortmentBundle\Entity\Category" table="sylius_assortment_category">
        <id name="id" column="id" type="integer">
            <generator strategy="AUTO" />
        </id>
        <one-to-many field="products" target-entity="Application\Bundle\AssortmentBundle\Entity\Product" mapped-by="category" />
    </entity>
    
</doctrine-mapping>