/**
* @param $id
* @return mixed|null|ClassDefinition
* @throws \Exception
*/
public static function getById($id)
{
if ($id === null) {
throw new \Exception("Class id is null");
}
$cacheKey = "class_" . $id;
try {
$class = \Zend_Registry::get($cacheKey);
if (!$class) {
throw new \Exception("Class in registry is null");
}
} catch (\Exception $e) {
try {
$class = new self();
$name = $class->getDao()->getNameById($id);
$definitionFile = $class->getDefinitionFile($name);
$class = (include $definitionFile);
if (!$class instanceof self) {
throw new \Exception("Class definition with name " . $name . " or ID " . $id . " does not exist");
}
$class->setId($id);
\Zend_Registry::set($cacheKey, $class);
} catch (\Exception $e) {
Logger::error($e);
return null;
}
}
return $class;
}
