public function removeActivity(OW_Event $e)
{
$params = $e->getParams();
if (isset($params['activityKey'])) {
$activityKey = $params['activityKey'];
} else {
$keyData = array();
foreach (array('activityType', 'activityId', 'entityType', 'entityId', 'userId') as $item) {
$keyData[$item] = empty($params[$item]) ? '*' : $params[$item];
}
$actionKey = empty($params['actionUniqId']) ? $keyData['entityType'] . '.' . $keyData['entityId'] : $params['actionUniqId'];
$_activityKey = empty($params['activityUniqId']) ? $keyData['activityType'] . '.' . $keyData['activityId'] : $params['activityUniqId'];
$activityKey = "{$_activityKey}:{$actionKey}:{$keyData['userId']}";
}
$this->service->removeActivity($activityKey);
}