public function doKnowUpdate(WordsEntity $word)
{
// invalid setting
if ($word->getStatus() != $this->marker->getStatus()) {
throw new EngRuntimeException("status doesn't match!");
}
$newSuccessCount = $word->getSuccess() + 1;
if ($newSuccessCount >= $this->marker->getSuccess()) {
$newStatus = $this->getNextStatusWhenSuccess($word->getStatus());
if ($newStatus != $word->getStatus()) {
$word->setStatus($newStatus);
$word->setSuccess(0);
$word->setFailure(0);
} else {
$word->setSuccess($newSuccessCount);
}
} else {
$word->setSuccess($newSuccessCount);
}
}
