/**
* @param Email $email
* @param EmailThread $thread
*/
protected function processThread(Email $email, EmailThread $thread)
{
if ($email->getId()) {
if (!$email->getThread() || $email->getThread()->getId() != $thread->getId()) {
throw $this->createInvalidPropertyException('Thread', $email->getThread() ? $email->getThread()->getId() : null, $thread->getId());
}
} else {
$email->setThread($thread);
}
}