public function msgAdd(Msg $msg)
{
#print __CLASS__.'->'.__FUNCTION__.''."\n";
#print __CLASS__.'->'.__FUNCTION__.': '.$msg->getId()."\n";
$filePath = $msg->getFilePath();
if ($this->getDatadirBasePath() && !$filePath) {
$filePath = $this->getDatadirBasePath() . '/msg_' . $msg->getId() . '.yml';
}
$msg->setFilePath($filePath);
$msg->setDatadirBasePath($this->getDatadirBasePath());
$msg->setMsgDb($this);
$this->msgs[$msg->getId()] = $msg;
$this->setDataChanged(true);
}