/**
* Clears all metadata objects from the cache.
*
* @return array
*/
public function clear()
{
$cleared = [];
if (false === $this->mf->hasCache()) {
return $cleared;
}
$this->mf->enableCache(false);
foreach ($this->mf->getAllTypeNames() as $type) {
$metadata = $this->mf->getMetadataForType($type);
$this->mf->getCache()->evictMetadataFromCache($metadata);
$cleared[] = $type;
}
$this->mf->enableCache(true);
$this->mf->clearMemory();
return $cleared;
}
/**
* Gets the metadata for a model type.
*
* @param string $typeKey The model type.
* @return EntityMetadata
*/
public function getMetadataForType($typeKey)
{
return $this->mf->getMetadataForType($typeKey);
}
/**
* Validates entity relationships on EntityMetadata.
*
* @param EntityMetadata $metadata
* @param MetadataFactory $mf
* @return bool
* @throws MetadataException
*/
public function validateMetadataRelationships(EntityMetadata $metadata, MetadataFactory $mf)
{
foreach ($metadata->getRelationships() as $key => $relationship) {
if ($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)) {
throw MetadataException::invalidMetadata($metadata->type, sprintf('Parent entity type "%s" already contains relationship field "%s"', $parent->type, $relationship->key));
}
}
if (false === $this->isEntityTypeValid($relationship->entityType)) {
throw MetadataException::invalidMetadata($metadata->type, sprintf('The related model "%s" for relationship "%s" is invalid based on the configured name format "%s"', $relationship->entityType, $relationship->key, $this->config->getEntityFormat()));
}
if (false === $mf->metadataExists($relationship->entityType)) {
throw MetadataException::invalidMetadata($metadata->type, sprintf('The related model "%s" for relationship "%s" does not exist.', $relationship->entityType, $relationship->key));
}
if (true === $relationship->isInverse) {
if ('one' === $relationship->relType) {
throw MetadataException::invalidMetadata($metadata->type, 'The relationship is inverse and one, which is currently not supported.');
}
if (empty($relationship->inverseField)) {
throw MetadataException::invalidMetadata($metadata->type, 'The relationship is inverse, but no inverse field was specified.');
}
$related = $relationship->entityType === $metadata->type ? $metadata : $mf->getMetadataForType($relationship->entityType);
if (false === $related->hasRelationship($relationship->inverseField)) {
throw MetadataException::invalidMetadata($metadata->type, 'The relationship is inverse, but the related model does not contain the specified inverse field.');
}
$relatedRel = $related->getRelationship($relationship->inverseField);
if (true === $relatedRel->isInverse) {
throw MetadataException::invalidMetadata($metadata->type, 'The relationship is inverse, but the relationship it references is also inverse.');
}
if ('one' !== $relatedRel->relType) {
throw MetadataException::invalidMetadata($metadata->type, 'The relationship is inverse and many, but it\'s reference is not a type of one.');
}
}
}
return true;
}