软件设计 2017-05-23
抽象工厂模式是工厂方法模式的进一步抽象。如果产品簇中只有一种产品,则退化为工厂方法模式。
* 苹果和土豆是园丁1的杰作
* 葡萄和西红柿是园丁2的杰作
public interface Fruit { /* * 生长 * 收获 * 栽种 */ public void grow(); public void harvest(); public void plant(); }
public class Apple implements Fruit { private int treeAge; public void grow() { System.out.println("苹果正在生长,,,"); } public void harvest() { System.out.println("收获苹果"); } public void plant() { System.out.println("栽种苹果"); } public int getTreeAge() { return treeAge; } public void setTreeAge(int treeAge) { this.treeAge = treeAge; } }
public class Grape implements Fruit { private boolean seedless; public void grow() { System.out.println("葡萄正在生长。。。"); } public void harvest() { System.out.println("收获葡萄。"); } public void plant() { System.out.println("栽种葡萄。"); } public boolean isSeedless() { return seedless; } public void setSeedless(boolean seedless) { this.seedless = seedless; } }
public interface Vegetable { /* * 生长 * 收获 * 栽种 */ public void grow(); public void harvest(); public void plant(); }
public class Potato implements Vegetable { public void grow() { System.out.println("土豆正在生长,,,"); } public void harvest() { System.out.println("收获土豆"); } public void plant() { System.out.println("栽种土豆"); } }
public class Tomato implements Vegetable { public void grow() { System.out.println("西红柿正在生长,,,"); } public void harvest() { System.out.println("收获西红柿"); } public void plant() { System.out.println("栽种西红柿"); } }
public interface Gardener { /* * 水果园丁 * 蔬菜园丁 * 水果蔬菜各两种 * 建立水果工厂的方法 */ public Fruit factoryFruit(); public Vegetable factoryVegetable(); }
public class ConcreteGardener11 implements Gardener { //等级为1的园丁生产的水果和蔬菜 /* * 苹果和土豆是园丁1的杰作,或者说是一等产品 * 葡萄和西红柿是园丁2的杰作,或者说是二等产品 */ public Fruit factoryFruit() { return new Apple(); } public Vegetable factoryVegetable() { return new Potato(); } }
public class ConcreteGardener12 implements Gardener { //等级为2的园丁生产的水果和蔬菜 /* * 苹果和土豆是园丁1的杰作,或者说是一等产品 * 葡萄和西红柿是园丁2的杰作,或者说是二等产品 */ public Fruit factoryFruit() { return new Grape(); } public Vegetable factoryVegetable() { return new Tomato(); } }
public class ClientDemo { public static void main(String[] args) { /* * 苹果和土豆是园丁1的杰作,或者说是一等产品 * 葡萄和西红柿是园丁2的杰作,或者说是二等产品 */ Gardener gardener1=new ConcreteGardener11(); Gardener gardener2=new ConcreteGardener12(); Fruit apple = gardener1.factoryFruit(); Vegetable potato=gardener1.factoryVegetable(); Fruit grape = gardener2.factoryFruit(); Vegetable tomato=gardener2.factoryVegetable(); apple.plant(); apple.grow(); apple.harvest(); potato.plant(); potato.grow(); potato.harvest(); grape.plant(); grape.grow(); grape.harvest(); tomato.plant(); tomato.grow(); tomato.harvest(); } }
栽种苹果
苹果正在生长,,,
收获苹果
栽种土豆
土豆正在生长,,,
收获土豆
栽种葡萄。
葡萄正在生长。。。
收获葡萄。
栽种西红柿
西红柿正在生长,,,
收获西红柿