工厂模式代码及类图
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抽象工厂类图：
代码：
public interface Sauce {
}
public class MarinaraSauce implements Sauce{
public MarinaraSauce(){
System.out.println("Add MarinaraSauce...");
}
} public class PlumTomatoSauce implements Sauce{
public PlumTomatoSauce(){
System.out.println("Add PlumTomatoSauce...");
}
}
public interface Dough {
}
public class ThickCrustDough implements Dough{
public ThickCrustDough(){
System.out.println("Add ThickCrustDough...");
}
}
public class ThinCrustDough implements Dough{
public ThinCrustDough(){
System.out.println("Add ThinCrustDough...");
}
}
public interface Veggies {
}
public class Onion implements Veggies{ public Onion(){
System.out.println("Add Onion...");
}
}
public class Mushroom implements Veggies{
public Mushroom(){
System.out.println("Add Mushroom...");
}
}
public class Garlic implements Veggies{
public Garlic(){
System.out.println("Add Garlic...");
}
}
public class Eggplant implements Veggies{
public Eggplant(){
System.out.println("Add Eggplant...");
}
}
public class BlackOlives implements Veggies{
public BlackOlives(){
System.out.println("Add BlackOlives...");
}
}
public abstract class Pizza {
String name;
Dough dough;
Sauce sauce;
Veggies veggies[];
abstract void prepare();
void bake(){
System.out.println("Bake for 25 minutes at 350");
}
void cut(){
System.out.println("Cutting the pizza into diagonal slices");
}
void box(){
System.out.println("Place pizza in official PizzaStore box");
}
void setName(String name){
=name;
}
String getname(){
return name;
}
}
public interface PizzaIngredientFactory {
public Dough createDough();
public Sauce createSauce();
public Veggies[] createVeggies();
}
public class NYPizzaIngredientFactory implements PizzaIngredientFactory{ public Dough createDough(){
return new ThinCrustDough();
}
public Sauce createSauce(){
return new MarinaraSauce();
}
public Veggies[] createVeggies(){
Veggies veggies[]={new Garlic(),new Onion(),new Mushroom()};
return veggies;
}
}
public class ChicagoPizzaIngredientFactory implements PizzaIngredientFactory{ public Dough createDough(){
return new ThickCrustDough();
}
public Sauce createSauce(){
return new PlumTomatoSauce();
}
public Veggies[] createVeggies(){
Veggies veggies[]={new BlackOlives(),new Eggplant()};
return veggies;
}
}
public class VeggiesPizza extends Pizza{
PizzaIngredientFactory ingredientFactory;
public VeggiesPizza(PizzaIngredientFactory ingredientFactory){ this.ingredientFactory=ingredientFactory;
}
void prepare(){
System.out.println("Preparing "+name);
dough=ingredientFactory.createDough();
sauce=ingredientFactory.createSauce();
veggies=ingredientFactory.createVeggies();
}
}
public class CheesePizza extends Pizza{
PizzaIngredientFactory ingredientFactory;
public CheesePizza(PizzaIngredientFactory ingredientFactory){ this.ingredientFactory=ingredientFactory;
}
void prepare(){
System.out.println("Preparing "+name);
dough=ingredientFactory.createDough();
sauce=ingredientFactory.createSauce();
}