Doctrine\ODM\MongoDB\Mapping\Driver\XmlDriver::addEmbedMapping PHP Метод

    private function addEmbedMapping(ClassMetadataInfo $class, $embed, $type)
    {
        $attributes = $embed->attributes();
        $defaultStrategy = $type == 'one' ? ClassMetadataInfo::STORAGE_STRATEGY_SET : CollectionHelper::DEFAULT_STRATEGY;
        $mapping = array('type' => $type, 'embedded' => true, 'targetDocument' => isset($attributes['target-document']) ? (string) $attributes['target-document'] : null, 'collectionClass' => isset($attributes['collection-class']) ? (string) $attributes['collection-class'] : null, 'name' => (string) $attributes['field'], 'strategy' => isset($attributes['strategy']) ? (string) $attributes['strategy'] : $defaultStrategy);
        if (isset($attributes['fieldName'])) {
            $mapping['fieldName'] = (string) $attributes['fieldName'];
        }
        if (isset($embed->{'discriminator-field'})) {
            $attr = $embed->{'discriminator-field'};
            $mapping['discriminatorField'] = (string) $attr['name'];
        }
        if (isset($embed->{'discriminator-map'})) {
            foreach ($embed->{'discriminator-map'}->{'discriminator-mapping'} as $discriminatorMapping) {
                $attr = $discriminatorMapping->attributes();
                $mapping['discriminatorMap'][(string) $attr['value']] = (string) $attr['class'];
            }
        }
        if (isset($embed->{'default-discriminator-value'})) {
            $mapping['defaultDiscriminatorValue'] = (string) $embed->{'default-discriminator-value'}['value'];
        }
        if (isset($attributes['not-saved'])) {
            $mapping['notSaved'] = 'true' === (string) $attributes['not-saved'];
        }
        if (isset($attributes['also-load'])) {
            $mapping['alsoLoadFields'] = explode(',', $attributes['also-load']);
        }
        $this->addFieldMapping($class, $mapping);
    }