抽象工厂模式->简单工厂模式+抽象工厂模式->反射+抽象工厂模式->配置文件+抽象工厂模式。通过设计模式的一步步演化,实现了抽象工厂模式的优化。
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 21:56
-
@ProjectName: JavaBaseTest
*/
public class Client {
public static void main(String[] args) {
//建立工厂A1
ConcreteFactoryA1 cfa1=new ConcreteFactoryA1();
//生成产品A1
ConcreteProductA1 pa1=(ConcreteProductA1)cfa1.getProduct();
//对产品A1的crud操作
pa1.create(new ConcreteProductA1());
pa1.retrieve();
pa1.update(new ConcreteProductA1());
pa1.delete("1");
System.out.println("--------分隔线--------");
//建立工厂A2
ConcreteFactoryA2 cfa2=new ConcreteFactoryA2();
//生成产品A2
ConcreteProductA2 pa2=(ConcreteProductA2)cfa2.getProduct();
//对产品A2的crud操作
pa2.create(new ConcreteProductA2());
pa2.retrieve();
pa2.update(new ConcreteProductA2());
pa2.delete("1");
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 21:40
- @ProjectName: JavaBaseTest
*/
public class ConcreteFactoryA1 implements Factory {
@Override
public ProductA getProduct() {
return new ConcreteProductA1();
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 21:48
- @ProjectName: JavaBaseTest
*/
public class ConcreteFactoryA2 implements Factory {
@Override
public ProductA getProduct() {
return new ConcreteProductA2();
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 21:40
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA1 implements ProductA {
@Override
public void create(ProductA product) {
System.out.println("增加一条ProductA1的信息");
}
@Override
public ProductA retrieve() {
System.out.println("查找一条ProductA1的信息");
return null;
}
@Override
public boolean update(ProductA product) {
System.out.println("更新一条ProductA1的信息");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ProductA1的信息");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 21:41
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA2 implements ProductA {
@Override
public void create(ProductA product) {
System.out.println("增加一条ProductA2的信息");
}
@Override
public ProductA retrieve() {
System.out.println("查找一条ProductA2的信息");
return null;
}
@Override
public boolean update(ProductA product) {
System.out.println("更新一条ProductA2的信息");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ProductA2的信息");
return false;
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 21:39
- @ProjectName: JavaBaseTest
*/
public interface Factory {
ProductA getProduct();
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 21:40
- @ProjectName: JavaBaseTest
*/
public interface ProductA {
//crud
void create(ProductA product);
ProductA retrieve();
boolean update(ProductA product);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:08
-
@ProjectName: JavaBaseTest
*/
public class Client {
public static void main(String[] args) {
//使用1类型工厂,创建1类型的产品A和B(当然,也可以使用类型2,写法一致)
//创建工厂实例和产品实例
ConcreteFactory1 cf1=new ConcreteFactory1();
ConcreteProductA1 a1=(ConcreteProductA1)cf1.getA();
ConcreteProductB1 b1=(ConcreteProductB1)cf1.getB();
//调用A1产品的crud方法
a1.create(new ConcreteProductA1());
a1.retrieve();
a1.update(new ConcreteProductA1());
a1.delete("1");
//调用B1产品的crud方法
b1.create(new ConcreteProductB1());
b1.retrieve();
b1.update(new ConcreteProductB1());
b1.delete("1");
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:05
-
@ProjectName: JavaBaseTest
*/
public class ConcreteFactory1 implements Factory{
@Override
public ProductA getA() {
return new ConcreteProductA1();
}
@Override
public ProductB getB() {
return new ConcreteProductB1();
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:05
-
@ProjectName: JavaBaseTest
*/
public class ConcreteFactory2 implements Factory {
@Override
public ProductA getA() {
return new ConcreteProductA2();
}
@Override
public ProductB getB() {
return new ConcreteProductB2();
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 21:40
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA1 implements ProductA {
@Override
public void create(ProductA product) {
System.out.println("增加一条ProductA1的信息");
}
@Override
public ProductA retrieve() {
System.out.println("查找一条ProductA1的信息");
return null;
}
@Override
public boolean update(ProductA product) {
System.out.println("更新一条ProductA1的信息");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ProductA1的信息");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 21:41
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA2 implements ProductA {
@Override
public void create(ProductA product) {
System.out.println("增加一条ProductA2的信息");
}
@Override
public ProductA retrieve() {
System.out.println("查找一条ProductA2的信息");
return null;
}
@Override
public boolean update(ProductA product) {
System.out.println("更新一条ProductA2的信息");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ProductA2的信息");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 22:17
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductB1 implements ProductB {
@Override
public void create(ProductB product) {
System.out.println("增加一条ProductB1记录");
}
@Override
public ProductA retrieve() {
System.out.println("查找一条ProductB1记录");
return null;
}
@Override
public boolean update(ProductB product) {
System.out.println("更新一条ProductB1记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ProductB1记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 22:19
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductB2 implements ProductB {
@Override
public void create(ProductB product) {
System.out.println("增加一条ProdctB2记录");
}
@Override
public ProductA retrieve() {
System.out.println("查询一条ProdctB2记录");
return null;
}
@Override
public boolean update(ProductB product) {
System.out.println("更新一条ProdctB2记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ProdctB2记录");
return false;
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 22:48
- @ProjectName: JavaBaseTest
*/
public interface Factory {
ProductA getA();
ProductB getB();
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 22:43
- @ProjectName: JavaBaseTest
*/
public interface ProductA {
//crud
void create(ProductA product);
ProductA retrieve();
boolean update(ProductA product);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 22:58
- @ProjectName: JavaBaseTest
*/
public interface ProductB {
//crud
void create(ProductB product);
ProductA retrieve();
boolean update(ProductB product);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:31
-
@ProjectName: JavaBaseTest
*/
public class Client {
public static void main(String[] args) {
ProductA productA=Factory.getProductA("1");
ProductB productB=Factory.getProductB("1");
//A产品的crud操作
productA.create(new ConcreteProductA1());
productA.retrieve();
productA.update(new ConcreteProductA1());
productA.delete("1");
System.out.println("-------分隔线---------");
//B产品的crud操作
productB.create(new ConcreteProductB1());
productB.retrieve();
productB.update(new ConcreteProductB1());
productB.delete("1");
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:38
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA1 implements ProductA {
@Override
public void create(ProductA a) {
System.out.println("新增一条ConcreteA1记录");
}
@Override
public ProductA retrieve() {
System.out.println("查找一条ConcreteA1记录");
return null;
}
@Override
public boolean update(ProductA a) {
System.out.println("更新一条ConcreteA1记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteA1记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:41
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA2 implements ProductA {
@Override
public void create(ProductA a) {
System.out.println("添加一条ConcreteA2记录");
}
@Override
public ProductA retrieve() {
System.out.println("查询一条ConcreteA2记录");
return null;
}
@Override
public boolean update(ProductA a) {
System.out.println("更新一条ConcreteA2记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteA2记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:43
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductB1 implements ProductB {
@Override
public void create(ProductB b) {
System.out.println("新增一条ConcreteB1记录");
}
@Override
public ProductB retrieve() {
System.out.println("查询一条ConcreteB1记录");
return null;
}
@Override
public boolean update(ProductB b) {
System.out.println("更新一条ConcreteB1记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteB1记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/13 23:45
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductB2 implements ProductB {
@Override
public void create(ProductB b) {
System.out.println("新增一条B2产品记录");
}
@Override
public ProductB retrieve() {
System.out.println("查询一条B2产品记录");
return null;
}
@Override
public boolean update(ProductB b) {
System.out.println("更新一条B2产品记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条B2产品记录");
return false;
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/14 09:52
- @ProjectName: JavaBaseTest
*/
public class Factory {
//获取产品A系列某一个产品
public static ProductA getProductA(String type){
switch (type){
case "1":
return new ConcreteProductA1();
case "2":
return new ConcreteProductA2();
}
return null;
}
//获取产品B系列某一个产品
public static ProductB getProductB(String type){
switch (type){
case "1":
return new ConcreteProductB1();
case "2":
return new ConcreteProductB2();
}
return null;
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 23:34
- @ProjectName: JavaBaseTest
*/
public interface ProductA {
//crud
void create(ProductA a);
ProductA retrieve();
boolean update(ProductA a);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/13 23:36
- @ProjectName: JavaBaseTest
*/
public interface ProductB {
//crud
void create(ProductB b);
ProductB retrieve();
boolean update(ProductB b);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 10:27
-
@ProjectName: JavaBaseTest
*/
public class Client {
public static void main(String[] args) throws Exception{
ProductA productA=Factory.getProductA();
ProductB productB=Factory.getProductB();
//产品A的crud操作
productA.create(productA.getClass().newInstance());
productA.retrieve();
productA.update(productA.getClass().newInstance());
productA.delete("1");
System.out.println("------分隔线----------");
//产品B的crud操作
productB.create(productB.getClass().newInstance());
productB.retrieve();
productB.update(productB.getClass().newInstance());
productB.delete("1");
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 10:32
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA1 implements ProductA{
@Override
public void create(ProductA productA) {
System.out.println("新增一条ConcreteProductA1记录");
}
@Override
public ProductA retrieve() {
System.out.println("查询一条ConcreteProductA1记录");
return null;
}
@Override
public boolean update(ProductA productA) {
System.out.println("更新一条ConcreteProductA1记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteProductA1记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 10:35
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA2 implements ProductA {
@Override
public void create(ProductA productA) {
System.out.println("新增一条ConcreteProductA2记录");
}
@Override
public ProductA retrieve() {
System.out.println("新查询一条ConcreteProductA2记录");
return null;
}
@Override
public boolean update(ProductA productA) {
System.out.println("更新一条ConcreteProductA2记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteProductA2记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 10:38
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductB1 implements ProductB{
@Override
public void create(ProductB productB) {
System.out.println("新增一条ConcreteProductB1记录");
}
@Override
public ProductB retrieve() {
System.out.println("查询一条ConcreteProductB1记录");
return null;
}
@Override
public boolean update(ProductB productB) {
System.out.println("更新一条ConcreteProductB1记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteProductB1记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 10:42
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductB2 implements ProductB {
@Override
public void create(ProductB productB) {
System.out.println("新增一条ConcreteProductB2记录");
}
@Override
public ProductB retrieve() {
System.out.println("查询一条ConcreteProductB2记录");
return null;
}
@Override
public boolean update(ProductB productB) {
System.out.println("更新一条ConcreteProductB2记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteProductB2记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 10:32
-
@ProjectName: JavaBaseTest
-
利用反射,去除了简单工厂模式中的switch case语句
*/
public class Factory {
private static final String path="designmodel.fifteenthchapter.抽象工厂模式and反射";
private static final String type="1";
//利用反射,获取实例
public static ProductA getProductA() throws Exception{
return (ProductA)Class.forName(path+".ConcreteProductA"+type).newInstance();
}
public static ProductB getProductB() throws Exception{
return (ProductB)Class.forName(path+".ConcreteProductB"+type).newInstance();
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/14 10:27
- @ProjectName: JavaBaseTest
*/
public interface ProductA {
//crud
void create(ProductA productA);
ProductA retrieve();
boolean update(ProductA productA);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/14 10:29
- @ProjectName: JavaBaseTest
*/
public interface ProductB {
//crud
void create(ProductB productB);
ProductB retrieve();
boolean update(ProductB productB);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 11:22
-
@ProjectName: JavaBaseTest
*/
public class Client {
public static void main(String[] args) throws Exception{
//获取配置文件信息
Factory.getType();
ProductA a=Factory.getProductA();
ProductB b=Factory.getProductB();
//A产品的crud操作
a.create(a.getClass().newInstance());
a.retrieve();
a.update(a.getClass().newInstance());
a.delete("1");
System.out.println("--------分隔线-------");
//B产品的crud操作
b.create(b.getClass().newInstance());
b.retrieve();
b.update(b.getClass().newInstance());
b.delete("1");
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 11:25
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA1 implements ProductA {
@Override
public void create(ProductA productA) {
System.out.println("新增一条ConcreteProductA1记录");
}
@Override
public ProductA retrieve() {
System.out.println("查询一条ConcreteProductA1记录");
return null;
}
@Override
public boolean update(ProductA productA) {
System.out.println("更新一条ConcreteProductA1记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteProductA1记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 11:31
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductA2 implements ProductA {
@Override
public void create(ProductA productA) {
System.out.println("新增一条ConcreteProductA2记录");
}
@Override
public ProductA retrieve() {
System.out.println("查询一条ConcreteProductA2记录");
return null;
}
@Override
public boolean update(ProductA productA) {
System.out.println("更新一条ConcreteProductA2记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteProductA2记录");
return false;
}
}
<span style="font-size:14px;">
/**
-
@Author: cxh
-
@CreateTime: 18/1/14 11:33
-
@ProjectName: JavaBaseTest
*/
public class ConcreteProductB1 implements ProductB {
@Override
public void create(ProductB productB) {
System.out.println("新增一条ConcreteProductB1记录");
}
@Override
public ProductB retrieve() {
System.out.println("查询一条ConcreteProductB1记录");
return null;
}
@Override
public boolean update(ProductB productB) {
System.out.println("更新一条ConcreteProductB1记录");
return false;
}
@Override
public boolean delete(String id) {
System.out.println("删除一条ConcreteProductB1记录");
return false;
}
}
<span style="font-size:14px;">
1
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
/**
- @Author: cxh
- @CreateTime: 18/1/14 11:35
- @ProjectName: JavaBaseTest
*/
public class Factory {
private static final String path="designmodel.fifteenthchapter.抽象工厂模式and配置";
private static String type;
public static void getType(){
DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
try{
DocumentBuilder db=dbf.newDocumentBuilder();
Document document=
db.parse("/Users/caoxiaohong/IdeaProjects/JavaBaseTest/src/designmodel/fifteenthchapter/抽象工厂模式and配置/config.xml");
NodeList list=document.getElementsByTagName("producta");
type=list.item(0).getFirstChild().getNodeValue();
}catch (Exception e){
System.out.println("解析xml文件出错!");
}
}
public static ProductA getProductA() throws Exception{
return (ProductA)Class.forName(path+".ConcreteProductA"+type).newInstance();
}
public static ProductB getProductB() throws Exception{
return (ProductB)Class.forName(path+".ConcreteProductB"+type).newInstance();
}
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/14 11:21
- @ProjectName: JavaBaseTest
*/
public interface ProductA {
//crud操作
void create(ProductA productA);
ProductA retrieve();
boolean update(ProductA productA);
boolean delete(String id);
}
<span style="font-size:14px;">
/**
- @Author: cxh
- @CreateTime: 18/1/14 11:21
- @ProjectName: JavaBaseTest
*/
public interface ProductB {
//crud
void create(ProductB productB);
ProductB retrieve();
boolean update(ProductB productB);
boolean delete(String id);
}
<span style="font-size:14px;">
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