/**
* @see SampleInterface::get_organisation_unit_id()
* @return integer
*/
public function get_organisation_unit_id()
{
if ($this->sample_id) {
$sample_security = new SampleSecurity($this->sample_id);
$sample_security_array = $sample_security->list_organisation_units();
if (is_array($sample_security_array) and count($sample_security_array) >= 1) {
return $sample_security_array[0];
} else {
return null;
}
} else {
return null;
}
}
