创建者模式

1 public abstract class Factory {
2  public abstract Translate getTranslate();
3  public abstract Understand getUnderstand();
4   
5 }

 1  public class Director {
 2     private Factory factory;
 3 
 4     public Factory getFactory() {
 5         return factory;
 6 
 7     }
 8 
 9     public void setFactory(Factory factory) {
10         this.factory = factory;
11     }
12 
13     public void doSomething(String txt) {
14         Translate translate = this.factory.getTranslate();
15         Understand understand = this.factory.getUnderstand();
16         translate.say(txt);
17         understand.doUnderstand(txt);
18     }
19 }

 1 public interface Client {
 2     public static void main(String[] args) {
 3         /* 创建者模式，相对于抽象工厂模式，多组有联系的 “生产过程” 拼接 更加 的灵活 */
 4         Director director = new Director();
 5         director.setFactory(new EnglishFactory());
 6         director.doSomething("test");
 7         director.setFactory(new ChineseFactory());
 8         director.doSomething("测试");
 9     }
10 }