/**
* Checks whether the given Change is somehow relevant to the given wiki site.
*
* In particular this check whether the Change modifies any sitelink that refers to the
* given wiki site.
*
* @note: this does not check whether the entity that was changes is or is not at all
* connected with (resp. used on) the target wiki.
*
* @param Change $change the change to examine.
* @param string $siteID the site to consider.
*
* @return bool
*/
private function isRelevantChange(Change $change, $siteID)
{
if ($change instanceof ItemChange && !$change->isEmpty()) {
$siteLinkDiff = $change->getSiteLinkDiff();
if (isset($siteLinkDiff[$siteID])) {
return true;
}
}
return false;
}
