/**
* @param EntityMetadata $entityMetadata
* @param array $config
* @param MetadataContext $context
*/
protected function loadMetadataForRelatedEntities(EntityMetadata $entityMetadata, array $config, MetadataContext $context)
{
$associations = $entityMetadata->getAssociations();
foreach ($associations as $associationName => $association) {
if (null !== $association->getTargetMetadata()) {
// metadata for an associated entity is already loaded
continue;
}
if (!isset($config[ConfigUtil::FIELDS][$associationName][ConfigUtil::FIELDS])) {
// a configuration of an association fields does not exist
continue;
}
$relatedEntityMetadata = $this->metadataProvider->getMetadata($association->getTargetClassName(), $context->getVersion(), $context->getRequestType(), $context->getExtras(), $config[ConfigUtil::FIELDS][$associationName]);
if (null !== $relatedEntityMetadata) {
$association->setTargetMetadata($relatedEntityMetadata);
}
}
}
/**
* Loads an entity metadata.
*/
protected function loadMetadata()
{
$entityClass = $this->getClassName();
if (empty($entityClass)) {
throw new \RuntimeException('A class name must be set in the context before metadata are loaded.');
}
// load metadata by a metadata provider
$metadata = $this->metadataProvider->getMetadata($entityClass, $this->getVersion(), $this->getRequestType(), $this->getMetadataExtras(), $this->getConfig());
// add loaded metadata to the context
$this->set(self::METADATA, $metadata);
}