public function __construct($adapter = '')
{
if (!$adapter) {
// using $this->class as a fallback
if (class_exists($class = $this->class)) {
list($adapterClass, $type) = DbFinderAdapterUtils::getParams($class);
$this->adapter = new $adapterClass($class);
$this->type = $type;
}
} else {
if ($adapter instanceof sfModelFinder) {
$this->adapter = $adapter;
$this->type = DbFinderAdapterUtils::getType($adapter);
} else {
throw new Exception('DbFinder constructor expects a sfModelFinder instance');
}
}
$this->initialize();
}
