/**
* Loads the metadata of the class in question and all it's ancestors whose metadata
* is still not loaded.
*
* @param string $className The name of the class for which the metadata should get loaded.
*/
private function loadMetadata($name)
{
if (!class_exists($name)) {
throw MappingException::classNotFound($name);
}
$parentClasses = $this->getParentClasses($name);
$parentClasses[] = $name;
$loaded = array();
$parent = null;
/* @var $parent ClassMetadata */
foreach ($parentClasses as $className) {
if (isset($this->loadedMetadata[$className])) {
$parent = $this->loadedMetadata[$className];
continue;
}
// original class was checked above already
if ($className != $name && !class_exists($className)) {
throw MappingException::classNotFound($className);
}
if ($parent) {
$class = $parent->deriveChildMetadata($className);
} else {
$class = new ClassMetadata($className);
}
$this->loadedMetadata[$className] = $class;
$this->driver->loadMetadataForClass($className, $this->loadedMetadata[$className]);
$parent = $class;
$loaded[] = $className;
}
return $loaded;
}
/**
* Whether the class with the specified name should have its metadata loaded.
* This is only the case if it is either mapped as an Entity or a
* MappedSuperclass.
*
* @param string $className
* @return boolean
*/
public function isTransient($className)
{
return $this->driver->isTransient($className);
}