public function delete($con = null)
{
// first, delete the related bound object
if (!is_object($this->bound) || $this->bound->getBouUid() == "") {
$this->bound = BpmnBound::findByElement('Gateway', $this->getGatUid());
}
if (is_object($this->bound)) {
$this->bound->delete($con);
}
parent::delete($con);
}
