How to enable ORM annotation prefix outside of Symfony2?

Question

I'm converting an old PHP project to the Symfony2 framework. Some of the pages are now handled by my Symfony2 front controller (index.php), but many pages have not yet been converted.

The problem is that, within Symfony, all of my Doctrine entity annotations must begin with the ORM\ prefix, but outside of Symfony, that prefix does not appear to be enabled, and so I get the following error:

Class MyProject\MyBundle\Entity\MyClass is not a valid entity or mapped super class.

I've tried to duplicate whatever magic Symfony does to set this up, including following these instructions [doctrine-project.org], and actually including app/autoload.php entirely into my legacy bootstrap process. But nothing works.

Does anyone know how I can manually replicate whatever it is that Symfony does to enable the ORM\ prefix for my Doctrine annotations?

Ian Phillips · Accepted Answer · 2011-11-23 20:42:44Z

5

I got the answer from the Symfony2 Google group. The problem is that the Doctrine configuration shown in the documentation uses SimpleAnnotationReader behind the scenes, but you need regular AnnotationReader to use the ORM\ namespace prefix. I got it to work by replacing this:

$config = new Doctrine\ORM\Configuration();
$driver = $config->newDefaultAnnotationDriver('/path/to/my/entities');

with this:

use Doctrine\Common\Annotations\AnnotationReader;
use Doctrine\ORM\Mapping\Driver\AnnotationDriver;
// ...
$config = new Doctrine\ORM\Configuration();
$reader = new AnnotationReader();
$driver = new AnnotationDriver($reader, '/path/to/my/entities');

answered Nov 23, 2011 at 20:42

Ian Phillips

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1 Comment

shorif2000 Over a year ago

what is '/path/to/my/entities' i can't seem to figure out what path to provide

jxmallett · Accepted Answer · 2017-07-17 23:15:07Z

I ended up with:

Doctrine\ORM\Tools\Setup::createAnnotationMetadataConfiguration($paths, $devMode, null, null, false);`

The 3rd and 4th null arguments are default. The 5th false argument tells it to make a standard AnnotationReader rather than a basic one.

I'm using Doctrine 2.5.6.

Explanation

I found I couldn't get Ian's solution working without calling Doctrine\ORM\Tools\Setup::createAnnotationMetadataConfiguration before making my own config. I was getting this error:

'[Semantical Error] The annotation "@Doctrine\ORM\Mapping\Entity" in class My\Class does not exist, or could not be auto-loaded.'

I was really confused so I took a look at the source code.

It turns out createAnnotationMetadataConfiguration calls Doctrine\ORM\Configuration::newDefaultAnnotationDriver rather than creating the annotation driver directly. This calls AnnotationRegistry::registerFile(__DIR__ . '/Mapping/Driver/DoctrineAnnotations.php'); which seems to be critical. After that, newDefaultAnnotationDriver just creates a new AnnotationDriver().

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