// get a person from the pool
public Person getPerson()
{
Person person = null;
if (_persons.Count > 0)
{
person = _persons.First();
_persons.Remove(person);
}
else
{
// if the pool is empty, make a new person and refill the pool
person = new Person();
refillPersonPool();
}
// return the reference to the person
return person;
}
// returns a person to the pool
public void returnPerson(Person person)
{
// objects in a pool may not have any references to or from them exept the reference from the pool
person.Sever();
_persons.Add(person);
}