//package persistence;

import java.util.*;


public class Member extends Person {
    private Person spouse;
    private Set<Person> children;
    public Member(String firstName, String lastName, Date dob) {
        super(firstName, lastName, dob);
        children = new HashSet<Person>();
    }

    public Member() {
		this(null, null, null);
	}

    public Person getSpouse() {
        return spouse;
    }

    public void setSpouse(Person spouse) {
        this.spouse = spouse;
    }

    public void addChild(Person child) {
        children.add(child);
    }

    public void removeChild(Person child) {
        children.remove(child);
    }

    public boolean containsChild(Person child) {
        return children.contains(child);
    }

    public Iterator<Person> iterator() {
        return children.iterator();
    }

    public String toString() {
		String result = super.toString();
		result = result + "\n   spouse: ";
		result = result + spouse.getFirstName() + "\n   children:";
		for(Person p: children) {
			result = result + "\n      " + p.getFirstName();
		}
		return result;
	}
}