Thinking in Patterns中文版
目录 译序............................................................................................................................................I 目录..........................................................................................................................................II 前言...........................................................................................................................................1 绪论...........................................................................................................................................2 Y2K 综合症...........................................................................................................................2 上下文和组合（CONTEXT AND COMPOSITION）..................................................................3 关于“已检测异常（CHECKED EXCEPTIONS）”.................................................................3 模式概念...................................................................................................................................5 什么是模式？........................................................................................................................5 模式范畴 （PATTERN TAXONOMY）......................................................................................6 设计原则...............................................................................................................................7 模式分类...............................................................................................................................8 开发所面临的挑战................................................................................................................9 单元测试...............................................................................................................................9 测试代码的位置..............................................................................................................10 简单化（SIMPLIFYING IDIOMS）...................................................................................11 信使（MESSENGER）..........................................................................................................11 集合型参数（COLLECTING PARAMETER）..........................................................................12 对象数量（OBJECT QUANTITY）...................................................................................14 单件（SINGLETON）............................................................................................................14 练习.................................................................................................................................16 对象池（OBJECT POOL）.....................................................................................................16 练习.................................................................................................................................19 对象去耦（OBJECT DECOUPLING）..............................................................................20 代理：替另外一个对象打点一切......................................................................................20 用Proxy模式实现PoolManager....................................................................................22 动态代理（Dynamic Proxies）......................................................................................25 状态模式：改变对象的行为..............................................................................................27 迭代器：分离算法和容器..................................................................................................33 类型安全的迭代器..........................................................................................................33 练习.....................................................................................................................................35 分解共同性（FACTORING COMMONALITY）............................................................36 策略模式（STRATEGY）：运行时刻选择算法.................................................................36 POLICY模式：泛化的STRATEGY模式...............................................................................38 模板方法（TEMPLATE METHOD）......................................................................................38 练习.....................................................................................................................................40 封装创建（ENCAPSULATING CREATION）.................................................................41 http://blog.dreambrook.com/lxwde ii 目录 简单工厂方法（SIMPLE FACTORY METHOD）....................................................................41 多态工厂（POLYMORPHIC FACTORIES）.............................................................................43 抽象工厂（ABSTRACT FACTORIES）...................................................................................46 练习.....................................................................................................................................50 特化创建（SPECIALIZED CREATION）........................................................................51 原型模式（PROTOTYPE）...................................................................................................51 生成器（BUILDER）............................................................................................................51 练习.....................................................................................................................................55 太多（TOO MANY）...........................................................................................................56 享元模式（FLYWEIGHT）:太多对象..................................................................................56 装饰模式（DECORATOR）：太多类..................................................................................58 基本decorator结构.........................................................................................................59 一个关于咖啡的例子......................................................................................................59 每种组合对应一个类......................................................................................................59 Decorator方法.................................................................................................................63 折衷（Compromise）.....................................................................................................68 其它考虑..........................................................................................................................73 练习.................................................................................................................................74 连接不同类型..........................................................................................................................75 适配器（ADAPTER）...........................................................................................................75 桥接（BRIDGE）..................................................................................................................78 练习.....................................................................................................................................84 灵活的结构..............................................................................................................................86 组合模式（COMPOSITE）...................................................................................................86 系统解耦（SYSTEM DECOUPLING）.............................................................................88 观察者模式（OBSERVER）.................................................................................................88 观察花朵..........................................................................................................................89 关于observers的一个可视化的例子.............................................................................93 中介者（MEDIATOR）........................................................................................................96 练习.....................................................................................................................................97 降低接口复杂度......................................................................................................................98 外观模式（FAÇADE）.........................................................................................................98 PACKAGE作为FACADE的变体............................................................................................99 算法分解（ALGORITHMIC PARTITIONING）..........................................................100 命令模式（COMMAND）:运行时刻选择操作.................................................................100 练习...............................................................................................................................102 职责链模式（CHAIN OF RESPONSIBILITY）......................................................................102 练习...............................................................................................................................106 外部化对象状态（EXTERNALIZING OBJECT STATE）...........................................107 http://blog.dreambrook.com/lxwde iii 目录 备忘录模式（MEMENTO）...............................................................................................107 复杂的交互（COMPLEX INTERACTIONS）...............................................................108 多重分派（MULTIPLE DISPATCHING）..............................................................................108 访问者模式（VISITOR）,多重分派的一种......................................................................110 练习...................................................................................................................................113 多个编程语言（MULTIPLE LANGUAGES）................................................................115 INTERPRETER模式的动机..................................................................................................115 PYTHON概览......................................................................................................................116 内置容器........................................................................................................................117 函数...............................................................................................................................118 字符串............................................................................................................................119 类...................................................................................................................................120 创造一门语言....................................................................................................................124 控制解释器（CONTROLLING THE INTERPRETER）............................................................127 提交数据（Putting data in）.........................................................................................128 取出数据（Getting data out）......................................................................................134 多个解释器（Multiple interpreters）...........................................................................138 通过JYTHON控制JAVA....................................................................................................139 内部类（Inner Classes）..............................................................................................143 使用JAVA库......................................................................................................................143 继承Java库里的类（Inheriting from Java library classes）.......................................144 使用JYTHON创建JAVA类................................................................................................146 编译来自Python代码的Java类..................................................................................151 JAVA-PYTHON扩展（JPE）..............................................................................................152 总结...................................................................................................................................152 练习...................................................................................................................................153 复杂系统的状态（COMPLEX SYSTEM STATES）......................................................154 状态机（STATEMACHINE）..............................................................................................154 练习...............................................................................................................................164 表驱动的状态机（TABLE-DRIVEN STATE MACHINE）....................................................164 State类...........................................................................................................................166 迁移条件（Conditions for transition）.........................................................................167 迁移动作（Transition actions）...................................................................................167 表结构（The table）.....................................................................................................167 基本状态机（The basic machine）..............................................................................168 简单的自动售货机（Simple vending machine）........................................................169 测试自动售货机（Testing the machine）...................................................................175 工具...................................................................................................................................176 用于表驱动（TABLE-DRIVEN）的代码：通过配置达到灵活性....................................176 通过匿名内部类来实现表驱动....................................................................................176 练习...................................................................................................................................176 模式重构（PATTERN REFACTORING）......................................................................178 http://blog.dreambrook.com/lxwde iv 目录 模拟一个废品回收器（SIMULATING THE TRASH RECYCLER）........................................178 改进现有设计（IMPROVING THE DESIGN）......................................................................182 “多弄些对象（Make more objects）”..........................................................................182 根据原型创建对象的模式................................................................................................185 Trash的子类..................................................................................................................189 从一个外部文件解析Trash..........................................................................................191 使用原型创建做废品回收（Recycling with prototyping）........................................194 ABSTRACTING USAGE..........................................................................................................196 多重分派（MULTIPLE DISPATCHING）..............................................................................199 实现双重分派（Implementing the double dispatch）.................................................200 访问者（VISITOR）模式...................................................................................................207 一个使用反射实现的Decorator...................................................................................210 耦合的更厉害了？........................................................................................................216 RTTI 果真有害么？..........................................................................................................216 总结...................................................................................................................................219 练习...................................................................................................................................221 项目.......................................................................................................................................222 老鼠和迷宫........................................................................................................................222 其它关于迷宫的资源....................................................................................................228 XML修饰器（XML DECORATOR）................................................................................228 附录：工具............................................................................................................................229 ANT扩展............................................................................................................................229 ARRAY UTILITIES................................................................................................................230
