Código ceremonioso

package de.itexon.cleancode;

import java.util.Date;

public class Person {

    private String firstName;

    private String lastName;

    private String nationalIdCardNumber;

    private String nationalIdCardType;

    private Nationality nationality;

    private Date birthDate;

    public Person() {
        super();
    }

    public Person(final String firstName,
                  final String lastName,
                  final String nationalIdCardNumber,
                  final String nationalIdCardType,
                  final Nationality nationality,
                  final Date birthDate) {
        super();
        this.firstName = firstName;
        this.lastName = lastName;
        this.nationalIdCardNumber = nationalIdCardNumber;
        this.nationalIdCardType = nationalIdCardType;
        this.nationality = nationality;
        this.birthDate = birthDate;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(final String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(final String lastName) {
        this.lastName = lastName;
    }

    public String getNationalIdCardNumber() {
        return nationalIdCardNumber;
    }

    public void setNationalIdCardNumber(final String nationalIdCardNumber) {
        this.nationalIdCardNumber = nationalIdCardNumber;
    }

    public String getNationalIdCardType() {
        return nationalIdCardType;
    }

    public void setNationalIdCardType(final String nationalIdCardType) {
        this.nationalIdCardType = nationalIdCardType;
    }

    public Nationality getNationality() {
        return nationality;
    }

    public void setNationality(final Nationality nationality) {
        this.nationality = nationality;
    }

    public Date getBirthDate() {
        return birthDate;
    }

    public void setBirthDate(final Date birthDate) {
        this.birthDate = birthDate;
    }

    @Override
    public boolean equals(final Object other) {
        final Person otherPerson = (Person) other;
        return firstName != null && firstName.equals(otherPerson.firstName) || firstName == otherPerson.firstName &&
                lastName != null && lastName.equals(otherPerson.lastName) || lastName == otherPerson.lastName &&
                nationalIdCardNumber != null && nationalIdCardNumber.equals(otherPerson.nationalIdCardNumber) || nationalIdCardNumber == otherPerson.nationalIdCardNumber &&
                nationalIdCardType != null && nationalIdCardType.equals(otherPerson.nationalIdCardType) || nationalIdCardType == otherPerson.nationalIdCardType &&
                nationality != null && nationality.equals(otherPerson.nationality) || nationality == otherPerson.nationality &&
                birthDate != null && birthDate.equals(otherPerson.birthDate) || birthDate == otherPerson.birthDate;
    }

    @Override
    public int hashCode() {
        int hashCode = 0;
        hashCode += firstName == null ? 0 : firstName.hashCode();
        hashCode += lastName == null ? 0 : lastName.hashCode();
        hashCode += nationalIdCardNumber == null ? 0 : nationalIdCardNumber.hashCode();
        hashCode += nationalIdCardType == null ? 0 : nationalIdCardType.hashCode();
        hashCode += nationality == null ? 0 : nationality.hashCode();
        hashCode += birthDate == null ? 0 : birthDate.hashCode();

        return hashCode;
    }

    @Override
    public String toString() {
        return "Person{" +
                "firstName='" + firstName + '\'' +
                ", lastName='" + lastName + '\'' +
                ", nationalIdCardNumber='" + nationalIdCardNumber + '\'' +
                ", nationalIdCardType='" + nationalIdCardType + '\'' +
                ", nationality=" + nationality +
                ", birthDate=" + birthDate +
                '}';
    }
}