MyObjectsMethods

package cz.mendelu.pjj.xloksik;
import cz.mendelu.pjj.ObjectsMethod;

/**
 * Trieda MyObjectsMethods implementujuca {@link ObjectsMethod}
 * @author Michal Lokšík
 *
 */
public class MyObjectsMethod extends ObjectsMethod {

    /**
     * Trieda MyPerson implementujuca Person
     */
    public static class MyPerson extends Person {
        /**
         * konstruktor triedy MyPerson
         * @param name
         * @param surName
         * @param title
         */
        public MyPerson(String name, String surName, String title) {
            super(name, surName, title);
            // TODO Auto-generated constructor stub
        }
        /**
         * prekrytie metody equals()
         */
        @Override
        public boolean equals(Object o) {
            if (o == this){
                return true;
            }
            if (!(o instanceof MyPerson)){
                return false;
                }
            MyPerson mp = (MyPerson)o;
            return mp.name == name &&
                   mp.surName == surName;       /* vrati boolean */
        }
        /**
         * prekrytie metody hashCode()
         */
        @Override
        public int hashCode() {
            int vysledok = name.hashCode() * surName.hashCode();
            return vysledok;
        }

    }
    /**
     * Trieda MyAddress implementujuca Address
     */
    public static class MyAddress extends Address {
        /**
         * konstruktor triedy MyAdsress
         * @param city
         * @param street
         * @param number
         */
        public MyAddress(String city, String street, int number) {
            super(city, street, number);
            // TODO Auto-generated constructor stub
        }
        /**
         * prekrytie metody equals()
         */
        @Override
        public boolean equals(Object o) {
            if (o == this){
                return true;
            }
            if (!(o instanceof MyAddress)){
                return false;
                }
            MyAddress ma = (MyAddress)o;
            return ma.city == city &&
                   ma.street == street &&
                   ma.number == number;
        }
        /**
         * prekrytie metody hashCode()
         */
        @Override
        public int hashCode() {
            int vysledok = (city.hashCode() * street.hashCode()) * number;
            return vysledok;
        }

    }
    /**
     * Trieda MyPerssonAddress implementujuca PersonAddress
     */
    public static class MyPersonAddress extends PersonAddress {
        /**
         * konstruktor triedy MyPerssonAddress
         * @param person
         * @param address
         */
        public MyPersonAddress(Person person, Address address) {
            super(person, address);
            // TODO Auto-generated constructor stub
        }
        /**
         * prekrytie metody equals()
         */
        @Override
        public boolean equals(Object o) {
            if (o == this){
                return true;
            }
            if (!(o instanceof MyPersonAddress)){
                return false;
                }
            MyPersonAddress ma = (MyPersonAddress)o;
            return ma.person == person &&
                    ma.city == super.city &&
                    ma.number == super.number &&
                    ma.street == super.street;
        }
        /**
         * prekrytie metody hashCode()
         */
        @Override
        public int hashCode() {
            int vysledok = (person  == null ? 17 : person.hashCode()) * super.city.hashCode() * super.number * super.street.hashCode();
            return vysledok;
        }

    }
    /**
     * zaciatok metody main()
     * @param args
     */
    public static void main(String[] args) {
        /* Persony */
        MyPerson osoba1 = new MyPerson("Michal", "Loksik", null);
        MyPerson osoba2 = new MyPerson("Michal", "Loksik", "Ing.");
        MyPerson osoba3 = new MyPerson("Dedo", "Mraz", "Ing.");

        System.out.println("Porovnanie osob:");
        System.out.println(osoba1.equals(osoba2));
        System.out.println(osoba1.equals(osoba3));

        System.out.println("HashCody osob.");
        System.out.println(osoba1.hashCode());
        System.out.println(osoba2.hashCode());
        System.out.println(osoba3.hashCode());

        System.out.println();

        /* Adresy */
        MyAddress adresa1 = new MyAddress("Brno", "Stepanska", 10);
        MyAddress adresa2 = new MyAddress("Brno", "Stepanska", 10);
        MyAddress adresa3 = new MyAddress("Povazska Bystrica", "Rozkvet", 2060);

        System.out.println("Porovnanie adries:");
        System.out.println(adresa1.equals(adresa2));
        System.out.println(adresa1.equals(adresa3));

        System.out.println("HashCody adries.");
        System.out.println(adresa1.hashCode());
        System.out.println(adresa2.hashCode());
        System.out.println(adresa3.hashCode());

        System.out.println();

        /* Adresy osob */
        MyPersonAddress prva = new MyPersonAddress(osoba1, adresa1);
        MyPersonAddress druha = new MyPersonAddress(osoba1, adresa1);
        MyPersonAddress tretia = new MyPersonAddress(osoba1, adresa3);
        MyPersonAddress stvrta = new MyPersonAddress(null, adresa3);

        System.out.println("Porovnanie adries osob:");
        System.out.println(prva.equals(druha));
        System.out.println(prva.equals(tretia));
        System.out.println(stvrta.equals(tretia));

        System.out.println("HashCody adries osob.");
        System.out.println(prva.hashCode());
        System.out.println(druha.hashCode());
        System.out.println(tretia.hashCode());
        System.out.println(stvrta.hashCode());

    }
}