public function __construct(Patient $patient)
{
$this->patient = $patient;
}
public function attach(Doctor $doctor)
{
$this->listHistory[] = $doctor;
}
public function notify()
{
/** @var Doctor $doctor */
foreach ($this->listHistory as $doctor) {
try {
$doctor->reception($this->patient);
} catch (MedicalHistoryException $e) {
echo $e->getMessage();
}
}
}
}
class MedicalHistoryException extends Exception
{
}
$patient = new Patient(100);
$medicalHistory = new MedicalHistory($patient);
$doctorA = new Doctor(50);
$doctorB = new Doctor(50);
$doctorC = new Doctor(100);
$medicalHistory->attach($doctorA);
$medicalHistory->attach($doctorB);
$medicalHistory->attach($doctorC);
