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Asked: 2026-05-30T00:30:28+00:00

Using Symfony2 and Doctrine ODM with MongoDB, I need to access the parent document

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Using Symfony2 and Doctrine ODM with MongoDB, I need to access the parent document from within an embedded document.

I have a ‘Cardset’ object which has embedMany on ‘Card’ objects.

The ‘Card’ object has a ‘save image’ method and I want that to use the ID of the Cardset object that contains it as part of the path to which it saves.

I can’t find a way to access the parent document from within the embeddeddocument.

If I could get hold of an instance of ‘DocumentManager’, I might be able to use the ‘getParentAssociation()’ method. But this

$this->get('doctrine.odm.mongodb.document_manager');

doesn’t work since it’s not inside a Controller. I’m not experienced enough to know how to make the DocumentManager into a service that would be available from inside my object class.

Can anyone help?

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1 Answer

  1. Editorial Team

    You theorically can access this using the UnitOfWork:

    $uo = $this->get('doctrine.odm.mongodb.document_manager')->getUnitOfWork();
list($mapping, $parent, $propertyPath) = $uo->getParentAssociation($embeddedDocument);

    EDIT: You should’nt get it from your entities/documents (or embedded documents).
    But if you want to, you will have to inject it using a listener on “postLoad”: http://readthedocs.org/docs/doctrine-mongodb-odm/en/latest/reference/events.html?highlight=postload#lifecycle-events

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