src/Tomahawk/Bundle/DoctrineBundle/Command/Proxy/CommandHelper.php
static public function setApplicationConnection(Application $application, $connName)
    {
        $connection = $application->getKernel()->getContainer()->get('doctrine')->getConnection($connName);
        $helperSet = $application->getHelperSet();
        $helperSet->set(new ConnectionHelper($connection), 'db');
    }
static public function setApplicationConnection(Application $application, $connName)
    {
        $connection = $application->getKernel()->getContainer()->get('doctrine')->getConnection($connName);
        $helperSet = $application->getHelperSet();
        $helperSet->set(new ConnectionHelper($connection), 'db');
    }
Convenience method to push the helper sets of a given connection into the application.

@param Application $application
@param string      $connName