countingduckfactory.java

深入浅出设计模式

package headfirst.combining.factory;

public class CountingDuckFactory extends AbstractDuckFactory {
  
	public Quackable createMallardDuck() {
		return new QuackCounter(new MallardDuck());
	}
  
	public Quackable createRedheadDuck() {
		return new QuackCounter(new RedheadDuck());
	}
  
	public Quackable createDuckCall() {
		return new QuackCounter(new DuckCall());
	}
   
	public Quackable createRubberDuck() {
		return new QuackCounter(new RubberDuck());
	}
}