PatientMeasurement::relations PHP Method

    public function relations()
    {
        return array('patient' => array(self::BELONGS_TO, 'Patient', 'patient_id'), 'type' => array(self::BELONGS_TO, 'MeasurementType', 'measurement_type_id'), 'originReference' => array(self::HAS_ONE, 'MeasurementReference', 'patient_measurement_id', 'on' => 'originReference.origin = true'), 'references' => array(self::HAS_MANY, 'MeasurementReference', 'patient_measurement_id'));
    }