/**
* Find activity by special key
*
* [activityType].[activityId]:[entityType].[entityId]:[userId]
*
* @param $activityKey
* @return array
*/
public function findActivity($activityKey, $context = null)
{
$params = $this->processActivityKey($activityKey, $context);
return $this->activityDao->findActivity($params);
}
