/**
* Fetches a frozen object from the object storage and thaws it.
*
* @param string $id The ID of the object that is to be fetched.
*
* @return object
*/
public function fetch($id)
{
// Bail out if a non-string was passed.
if (!is_string($id)) {
throw Object_Freezer_Util::getInvalidArgumentException(1, 'string');
}
// Try to retrieve object from the object cache.
$object = $this->cache->get($id);
if (!$object) {
// Retrieve object from the object storage.
$frozenObject = $this->doFetch($id);
$this->fetchArray($frozenObject['objects'][$id]['state']);
$object = $this->freezer->thaw($frozenObject);
// Put object into the object cache.
$this->cache->put($id, $object);
}
return $object;
}
/**
* thaws a frozen user
* @param Array $frozenUser
* @return User $user returns User Object or null if user could not be thawed
*/
public static function thaw($frozenUser)
{
$thawedUser = null;
if (is_array($frozenUser)) {
$freezer = new Object_Freezer();
$thawedUser = $freezer->thaw($frozenUser);
if ($thawedUser instanceof User) {
$thawedUser->getResource()->getById($thawedUser->getId());
//TODO: do we need to reinitialize parent's resources?
} else {
$thawedUser = null;
Logger::error("could not thaw user");
}
}
return $thawedUser;
}
