as3io / modlr

                throw MetadataException::invalidMetadata($metadata->type, sprintf('Attribute key mismtach. "%s" !== "%s"', $key, $attribute->key));

            }

            if (false === $this->isFieldKeyValid($attribute->key)) {

                throw MetadataException::invalidMetadata($metadata->type, sprintf('The attribute key "%s" is invalid based on the configured name format "%s"', $attribute->key, $this->config->getFieldKeyFormat()));

            }

            if (false === $this->typeFactory->hasType($attribute->dataType)) {

                throw MetadataException::invalidMetadata($metadata->type, sprintf('The data type "%s" for attribute "%s" is invalid', $attribute->dataType, $attribute->key));

            if ($key != $relationship->key) {

                throw MetadataException::invalidMetadata($metadata->type, sprintf('Relationship key mismtach. "%s" !== "%s"', $key, $relationship->key));

            }

            if (false === $this->isFieldKeyValid($relationship->key)) {

                throw MetadataException::invalidMetadata($metadata->type, sprintf('The relationship key "%s" is invalid based on the configured name format "%s"', $relationship->key, $this->config->getFieldKeyFormat()));

            }

            if (true === $metadata->isChildEntity()) {

                $parent = $mf->getMetadataForType($metadata->extends);

                if ($parent->hasRelationship($relationship->key)) {