/**
* Universal factory for DataObject() and BaseObject() instances with caching capabilities
* @param ObjectUri $uri
* @param string $class
* @param string $type
* @throws Exception
* @return \t41\ObjectModel\DataObject|t41\ObjectModel\BaseObject
*/
public static function _($uri, $class = null, $type = ObjectModel::MODEL)
{
if (!$uri instanceof ObjectUri) {
if (is_null($class)) {
throw new Exception("Give ObjectUri() instance or specify object class as second argument");
}
$uri = new ObjectUri($uri);
$uri->setClass($class);
} else {
$class = $uri->getClass();
}
if (self::getEnvData('cache_objects') !== true) {
$obj = DataObject::factory($class);
$obj->setUri($uri);
Backend::read($obj);
return $type == ObjectModel::MODEL ? new $class($obj) : $obj;
}
$def = ObjectModel::getObjectDna($class);
if ($def && isset($def['unchanging'])) {
// get cache version
if (($obj = self::cacheGet($uri->getPermanentUUID())) !== false) {
self::log(sprintf('[Persistence] Loaded %s object (%s) from cache', $class, $uri));
} else {
// done this away to avoid infinite recursion in BaseObject::__construct()
$obj = DataObject::factory($class);
$obj->setUri($uri);
Backend::read($obj);
$obj = new $class($obj);
self::cacheSet($obj, $uri->getPermanentUUID(), true, array('tags' => array('permanent')));
self::log(sprintf('[Persistence] Saved %s object (%s) in cache', $class, $uri));
}
return $type == ObjectModel::MODEL ? $obj : $obj->getDataObject();
} else {
$obj = DataObject::factory($class);
$obj->setUri($uri);
Backend::read($obj);
return $type == ObjectModel::MODEL ? new $class($obj) : $obj;
}
}
protected function _getTableFromUri(ObjectModel\ObjectUri $uri)
{
if ($uri instanceof ObjectModel\ObjectUri && $uri->getUrl()) {
$els = explode('/', $uri->getUrl());
if (count($els) > 1 && $els[count($els) - 2] != $this->_database) {
return $els[count($els) - 2];
} else {
return $this->_getTableFromClass($uri->getClass());
}
} else {
return $this->_getTableFromClass($uri->getClass());
}
}
/**
* Returns an instance of an object based on definition matching the given id
*
* @param string|ObjectModel\ObjectUri $param class id or object uri
* @throws ObjectModel\Exception
* @return ObjectModel\BaseObject
*/
public static function factory($param)
{
if ($param instanceof DataObject) {
$class = $param->getClass();
return new $class($param);
}
$class = $param instanceof ObjectModel\ObjectUri ? $param->getClass() : $param;
if (!array_key_exists($class, self::$_config)) {
throw new ObjectModel\Exception(array('NO_CLASS_DECLARATION', $class));
}
try {
$obj = new $class($param instanceof ObjectModel\ObjectUri ? $param : null);
} catch (ObjectModel\Exception $e) {
die($e->getMessage());
} catch (ObjectModel\DataObject\Exception $e) {
die($e->getMessage());
}
return $obj;
}
