Eccube\Application::initDoctrine PHP Method

    public function initDoctrine()
    {
        $this->register(new \Silex\Provider\DoctrineServiceProvider(), array('dbs.options' => array('default' => $this['config']['database'])));
        $this->register(new \Saxulum\DoctrineOrmManagerRegistry\Silex\Provider\DoctrineOrmManagerRegistryProvider());
        // プラグインのmetadata定義を合わせて行う.
        $pluginConfigs = $this->getPluginConfigAll();
        $ormMappings = array();
        $ormMappings[] = array('type' => 'yml', 'namespace' => 'Eccube\\Entity', 'path' => array(__DIR__ . '/Resource/doctrine', __DIR__ . '/Resource/doctrine/master'));
        foreach ($pluginConfigs as $code) {
            $config = $code['config'];
            // Doctrine Extend
            if (isset($config['orm.path']) && is_array($config['orm.path'])) {
                $paths = array();
                foreach ($config['orm.path'] as $path) {
                    $paths[] = $this['config']['plugin_realdir'] . '/' . $config['code'] . $path;
                }
                $ormMappings[] = array('type' => 'yml', 'namespace' => 'Plugin\\' . $config['code'] . '\\Entity', 'path' => $paths);
            }
        }
        $options = array('mappings' => $ormMappings);
        if (!$this['debug']) {
            $cacheDrivers = array();
            if (array_key_exists('doctrine_cache', $this['config'])) {
                $cacheDrivers = $this['config']['doctrine_cache'];
            }
            if (array_key_exists('metadata_cache', $cacheDrivers)) {
                $options['metadata_cache'] = $cacheDrivers['metadata_cache'];
            }
            if (array_key_exists('query_cache', $cacheDrivers)) {
                $options['query_cache'] = $cacheDrivers['query_cache'];
            }
            if (array_key_exists('result_cache', $cacheDrivers)) {
                $options['result_cache'] = $cacheDrivers['result_cache'];
            }
            if (array_key_exists('hydration_cache', $cacheDrivers)) {
                $options['hydration_cache'] = $cacheDrivers['hydration_cache'];
            }
        }
        $this->register(new \Dflydev\Silex\Provider\DoctrineOrm\DoctrineOrmServiceProvider(), array('orm.proxies_dir' => __DIR__ . '/../../app/cache/doctrine/proxies', 'orm.em.options' => $options, 'orm.custom.functions.numeric' => array('EXTRACT' => 'Eccube\\Doctrine\\ORM\\Query\\Extract')));
        /**
         * YamlDriverのPHP7対応. Doctrine2.4で修正されれば不要.
         * @see https://github.com/EC-CUBE/ec-cube/issues/1338
         */
        $config = $this['orm.em']->getConfiguration();
        /** @var $driver \Doctrine\Common\Persistence\Mapping\Driver\MappingDriverChain */
        $chain = $config->getMetadataDriverImpl();
        // $ormMappingsの1要素ごとにDriverが生成されている.
        $drivers = $chain->getDrivers();
        foreach ($drivers as $namespace => $oldDriver) {
            /** @var $newDriver \Eccube\Doctrine\ORM\Mapping\Driver\YamlDriver */
            $newDriver = new YamlDriver($oldDriver->getLocator());
            // 修正したDriverに差し替える. メソッド名はaddだけど実際はsetしてる.
            $chain->addDriver($newDriver, $namespace);
        }
    }