/**
* {@inheritDoc}
*/
public function getActivities()
{
if (!isset($this->activities)) {
$this->activities = $this->activityMapper->findUserActivities($this->getId());
$this->activities = iterator_to_array($this->activities);
foreach ($this->activities as $activity) {
$this->activitiesBySite[$activity->getSiteId()] = $activity;
}
}
return $this->activities;
}