/**
* Queue the HAWelcome communication using the new task system. This function
* will toggle between the old and the new based on the configuration in TaskRunner.
*
* This will be removed once the system is fully migrated.
*
* @param int $wgCityId the city id
* @param Title $oTitle
* @param array $aParams
* @return void
*/
public static function queueHAWelcomeTask($wgCityId, $oTitle, $aParams)
{
$task = new HAWelcomeTask();
$task->call('sendWelcomeMessage', $aParams);
$task->wikiId($wgCityId);
$task->title($oTitle);
// use $this->title in the job
$task->prioritize();
$task->queue();
}