Doctrine\OXM\Mapping\Driver\XmlDriver::loadMetadataForClass PHP Метод

    public function loadMetadataForClass($className, ClassMetadataInfo $metadata)
    {
        $xmlRoot = $this->getElement($className);
        if ($xmlRoot->getName() == 'entity') {
            if (isset($xmlRoot['root']) && $xmlRoot['root'] == "true") {
                $metadata->isRoot = true;
                $metadata->setCustomRepositoryClass(isset($xmlRoot['repository-class']) ? (string) $xmlRoot['repository-class'] : null);
            }
        } else {
            if ($xmlRoot->getName() == 'mapped-superclass') {
                $metadata->isMappedSuperclass = true;
            } else {
                throw MappingException::classIsNotAValidXmlEntityOrXmlMappedSuperClass($className);
            }
        }
        $metadata->setName($className);
        // Evalute xml-name attribute
        if (isset($xmlRoot['xml-name'])) {
            $metadata->setXmlName((string) $xmlRoot['xml-name']);
        } else {
            $metadata->setXmlName(Inflector::xmlize($className));
        }
        // Evaluate change-tracking-policy attribute
        if (isset($xmlRoot['change-tracking-policy'])) {
            $metadata->setChangeTrackingPolicy(constant('Doctrine\\OXM\\Mapping\\ClassMetadata::CHANGETRACKING_' . strtoupper((string) $xmlRoot['change-tracking-policy'])));
        }
        // Evaluate <namespaces...>
        if (isset($xmlRoot->namespaces)) {
            $namespaces = array();
            foreach ($xmlRoot->namespaces->namespace as $namespace) {
                $namespaces[] = array('url' => (string) $namespace['url'], 'prefix' => (string) $namespace['prefix']);
            }
            $metadata->setXmlNamespaces($namespaces);
        }
        // Evaluate <field ...> mappings
        if (isset($xmlRoot->field)) {
            foreach ($xmlRoot->field as $fieldMapping) {
                $mapping = array('fieldName' => (string) $fieldMapping['name'], 'type' => (string) $fieldMapping['type'], 'node' => constant('Doctrine\\OXM\\Mapping\\ClassMetadata::XML_' . strtoupper((string) $fieldMapping['node'])));
                if (isset($fieldMapping['xml-name'])) {
                    $mapping['name'] = (string) $fieldMapping['xml-name'];
                }
                if (isset($fieldMapping['identifier'])) {
                    $mapping['id'] = (bool) $fieldMapping['identifier'];
                }
                if (isset($fieldMapping['direct'])) {
                    $mapping['direct'] = (bool) $fieldMapping['direct'];
                }
                if (isset($fieldMapping['nulable'])) {
                    $mapping['nullable'] = (bool) $fieldMapping['nullable'];
                }
                if (isset($fieldMapping['required'])) {
                    $mapping['required'] = (bool) $fieldMapping['required'];
                }
                if (isset($fieldMapping['collection'])) {
                    $mapping['collection'] = (bool) $fieldMapping['collection'];
                }
                if (isset($fieldMapping['get-method'])) {
                    $mapping['getMethod'] = (string) $fieldMapping['get-method'];
                }
                if (isset($fieldMapping['set-method'])) {
                    $mapping['setMethod'] = (string) $fieldMapping['set-method'];
                }
                if (isset($fieldMapping['prefix'])) {
                    $mapping['prefix'] = (string) $fieldMapping['prefix'];
                }
                if (isset($fieldMapping['wrapper'])) {
                    $mapping['wrapper'] = (string) $fieldMapping['wrapper'];
                }
                $metadata->mapField($mapping);
            }
        }
        // Evaluate <lifecycle-callbacks...>
        if (isset($xmlRoot->{'lifecycle-callbacks'})) {
            foreach ($xmlRoot->{'lifecycle-callbacks'}->{'lifecycle-callback'} as $lifecycleCallback) {
                $metadata->addLifecycleCallback((string) $lifecycleCallback['method'], constant('Doctrine\\OXM\\Events::' . (string) $lifecycleCallback['type']));
            }
        }
    }