面向Java开发人员db4o指南：数组和集合 - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-18
| s.age = age; this.mood = mood; } public String getFirstName() { return firstName; } public void setFirstName(String value) { firstName = value; } public String getLastName() { return lastName; } public void setLastName(String value) { lastName = value; } public Gender getGender() { return gender; } public int getAge() { return age; } public void setAge(int value) { age = value; } public Mood getMood() { return mood; } public void setMood(Mood value) { mood = value; } public Person getSpouse() { return spouse; } public void setSpouse(Person value) { // A few business rules if (spouse != null) throw new IllegalArgumentException("Already married!"); if (value.getSpouse() != null && value.getSpouse() != this) throw new IllegalArgumentException("Already married!"); spouse = value; // Highly sexist business rule if (gender == Gender.FEMALE) this.setLastName(value.getLastName()); // Make marriage reflexive, if it''s not already set that way if (value.getSpouse() != this) value.setSpouse(this); } public Address getHomeAddress() { return addresses[0]; } public void setHomeAddress(Address value) { addresses[0] = value; } public Address getWorkAddress() { return addresses[1]; } public void setWorkAddress(Address value) { addresses[1] = value; } public Address getVacationAddress() { return addresses[2]; } public void setVacationAddress(Address value) { addresses[2] = value; } public Iterator＜Person＞ getChildren() { return children.iterator(); } public Person haveBaby(String name, Gender gender) { // Business rule if (this.gender.equals(Gender.MALE)) throw new UnsupportedOperationException("Biological impossibility!"); // Another highly objectionable business rule if (getSpouse() == null) throw new UnsupportedOperationException("Ethical impossibility!"); // Welcome to the world, little one! Person child = new Person(name, this.lastName, gender, 0, Mood.CRANKY); // Well, wouldn''t YOU be cranky if you''d just been pushed out of // a nice warm place?!? // These are your parents... child.father = this.getSpouse(); child.mother = this; // ... and you''re their new baby. // (Everybody say "Awwww....") children.add(child); this.getSpouse().children.add(child); return child; } public String toString() { return "[Person: " + "firstName = " + firstName + " " + "lastName = " + lastName + " " + "gender = " + gender + " " + "age = " + age + " " + "mood = " + mood + " " + (spouse != null ? "spouse = " + spouse.getFirstName() + " " : "") + "]"; } public boolean equals(Object rhs) { if (rhs == this) return true; if (!(rhs instanceof Person)) return false; Person other = (Person)rhs; return (this.firstName.equals(other.firstName) && this.lastName.equals(other.lastName) && this.gender.equals(other.gender) && this.age == other.age); } private Stri |
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