function postValidate()
{
$oWorkflow = $this->_handler->copyTrigger($this->_document);
// catch disabled workflows.
if (!is_null($oWorkflow) && (PEAR::isError($oWorkflow) || $oWorkflow->getStartStateId() === null)) {
return;
}
$ret = KTWorkflowUtil::changeWorkflowOnDocument($oWorkflow, $this->_document);
}