How to inject specific Doctrine Entity Manager in Symfony2?

Question

Working on several projects which use the same database, we made a Symfony2 Bundle to map all common functions.

Now the issue is that we have a second database, and we need the same kind of service, just as the first one.

config.yml

doctrine: dbal: default_connection: main connections: main: /* ... */ sub: /* ... */ orm: default_entity_manager: main entity_managers: main: connection: main mappings: AcmeMainBundle: ~ sub: connection: sub mappings: AcmeSubBundle: ~ auto_generate_proxy_classes: %kernel.debug%

@AcmeMainBundle > services.yml

services: mainmanager: class: Acme\MainBundle\MainManager arguments: [ @doctrine.orm.entity_manager ]

Acme\MainBundle\MainManager

class MainManager { public function __construct(EntityManager $em) { $em->getRepository('AcmeMainBundle:Foo'); } }

This set works fine, I get all expected results since default_entity_manager is set to main which is the right EntityManager.

But now here's the issue.

@AcmeSubBundle > services.yml

submanager: class: Acme\SubBundle\SubManager arguments: [ @doctrine.orm.entity_manager ]

Acme\SubBundle\SubManager

class SubManager { public function __construct(EntityManager $em) { $em->getRepository('AcmeSubBundle:Bar'); // Throws exception } }

Unknown entity namespace alias AcmeSubBundle

Since EntityManager goes into main by default.

My question is, is there a "clean" way to inject a specific entity manager as argument in services.yml ?

Touki · Accepted Answer · 2014-03-25 13:00:05Z

Answer at 18/02/13

Here is a way to pass a specific entity manager from services.yml
Doctrine generates a new service name relative to their names.

Example:

@doctrine.orm.default_entity_manager

In this case, it generates 2 others entity manager

@doctrine.orm.main_entity_manager @doctrine.orm.sub_entity_manager

The argument passed is a Doctrine\ORM\EntityManager object

In my case:

services.yml

submanager: arguments: [ @doctrine.orm.sub_entity_manager ]

Update 22/08/13

An alternative to this would be to directly give the repository instead of the manager.

To do such, you must create a service which will hold the repository.

services.yml

services: acme.foo_repository: class: Doctrine\Common\Persistence\ObjectRepository factory_service: doctrine.orm.main_entity_manager factory_method: getRepository arguments: - "AcmeMainBundle:Foo"

We let doctrine generate the given repository.
Then we can inject it in another service

services: mainmanager: class: Acme\MainBundle\MainManager arguments: - @acme.foo_repository

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