/**
* @param $i
* @param $type
*/
protected function determineCell($i, $type)
{
if (!array_key_exists($i, $this->row)) {
throw new \OutOfBoundsException(sprintf('invalid cell identifier %d', $i));
}
if ($this->row[$i]->getType() !== $type && $type !== AnyCell::TYPE_UNKNOWN) {
if ($this->row[$i]->getType() !== AnyCell::TYPE_UNKNOWN) {
throw new \RuntimeException('puzzle has no solution');
}
$this->row[$i] = $this->cellFactory->getByType($type);
$this->updateCounter++;
}
}
