/**
* Check whether another node is near by the their identifier
*
* @param Node $otherNode
* @return bool
*/
public function isNear(Node $otherNode)
{
$otherIdentifier = $otherNode->getIdentifier();
if ($otherIdentifier->getSize() != $this->identifier->getSize()) {
return false;
}
$differences = 0;
for ($i = 0; $i < $this->dimensions; $i++) {
if ($otherIdentifier[$i] != $this->identifier[$i]) {
$differences++;
}
if ($differences > 1) {
return false;
}
}
return true;
}
