/**
* Retrieve a reference to the specified DAO.
* @param $name string the class name of the requested DAO
* @param $dbconn ADONewConnection optional
* @return DAO
*/
function &getDAO($name, $dbconn = null)
{
$daos =& DAORegistry::getDAOs();
if (!isset($daos[$name])) {
// Import the required DAO class.
import(DAORegistry::getQualifiedDAOName($name));
// Only instantiate each class of DAO a single time
$daos[$name] =& new $name();
if ($dbconn != null) {
// FIXME Needed by installer but shouldn't access member variable directly
$daos[$name]->_dataSource = $dbconn;
}
}
return $daos[$name];
}