23种设计模式_MODE10桥接模式_手写代码实现

1.桥接模式测试

package com.zhaoshuangjian.mode10_桥接模式;

import com.zhaoshuangjian.mode10_桥接模式.mode10.database.Driver;
import com.zhaoshuangjian.mode10_桥接模式.mode10.database.DriverManager;
import com.zhaoshuangjian.mode10_桥接模式.mode10.database.MySqlDriver;
import com.zhaoshuangjian.mode10_桥接模式.mode10.database.OracleDriver;
import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color.Color;
import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color.Green;
import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color.Red;
import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color.White;
import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.shape.Circle;
import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.shape.Rectangle;
import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.shape.Square;

/**
 * 
桥接模式测试
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class BridgeTest {

    public static void main(String[] args) {
        driverConnect();
        drawShape();

        /**
         * 1、分离抽象接口及其实现部分。提高了比继承更好的解决方案
         * 2、桥接模式提高了系统的可扩充性，在两个变化维度中任意扩展一个维度，都不需要修改原有系统
         * 3、对客户隐藏实现细节
         */
    }

    /**
     * 不同驱动连接数据库
     */
    private static void driverConnect(){

        DriverManager  driverManager = new DriverManager();
        String url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&autoReconnect=true&rewriteBatchedStatements=true";
        String user = "root";
        String pwd = "root";
        // mysql驱动连接数据库
        Driver mySqlDriver = new MySqlDriver(url,user,pwd);
        driverManager.setDriver(mySqlDriver);
        driverManager.connect();
        System.out.println("========= 分割线 =========");
        // oracle驱动连接数据库
        Driver oracleDriver = new OracleDriver();
        driverManager.setDriver(oracleDriver);
        driverManager.connect();
        System.out.println("\n========= 分割线 =========\n");
    }

    /**
     * 绘制不同颜色的形状
     */
    private static void drawShape(){

        //绘制红色的矩形
        Color red = new Red();
        Rectangle rectangle = new Rectangle();
        rectangle.setColor(red);
        rectangle.draw();

        //绘制绿色的正方形
        Color green = new Green();
        Square square = new Square();
        square.setColor(green);
        square.draw();

        //绘制白色的圆形
        Color white = new White();
        Circle circle = new Circle();
        circle.setColor(white);
        circle.draw();
    }
}

2.各驱动之间的桥梁

package com.zhaoshuangjian.mode10_桥接模式.mode10.database;

/**
 * 
各驱动之间的桥梁
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public abstract  class AbstractBridge {

    // 聚合和关联驱动接口实例
    private Driver driver;

    public Driver getDriver() {
        return driver;
    }

    public void setDriver(Driver driver) {
        this.driver = driver;
    }
    public abstract void connect();
}

3.数据库驱动接口

package com.zhaoshuangjian.mode10_桥接模式.mode10.database;

/**
 * 
数据库驱动接口
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public interface Driver {
    /**
     * 连接
     */
    void connect();
}

4.驱动管理器 == 实现不同驱动设备之间的数据库连接

package com.zhaoshuangjian.mode10_桥接模式.mode10.database;

/**
 * 
驱动管理器 == 实现不同驱动设备之间的数据库连接
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class DriverManager extends AbstractBridge {
    @Override
    public void connect() {
        getDriver().connect();
    }
}

5.MySql数据库驱动类

package com.zhaoshuangjian.mode10_桥接模式.mode10.database;

/**
 * 
MySql数据库驱动类
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class MySqlDriver implements Driver {

    private String url;
    private String user;
    private String pwd;
    public MySqlDriver(String url, String user, String pwd){
        this.url = url;
        this.user = user;
        this.pwd = pwd;
    }
    @Override
    public void connect() {
        System.out.println("url："+this.url);
        System.out.println("user："+this.user);
        System.out.println("pwd："+this.pwd);
        System.out.println("mysql驱动连接数据库");
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public String getUser() {
        return user;
    }

    public void setUser(String user) {
        this.user = user;
    }

    public String getPwd() {
        return pwd;
    }

    public void setPwd(String pwd) {
        this.pwd = pwd;
    }
}

6.Oracle数据库驱动类

package com.zhaoshuangjian.mode10_桥接模式.mode10.database;

/**
 * 
Oracle数据库驱动类
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class OracleDriver implements Driver {
    @Override
    public void connect() {
        System.out.println("oracle驱动连接数据库");
    }
}

7.PostGreSql数据库驱动类

package com.zhaoshuangjian.mode10_桥接模式.mode10.database;

/**
 * 
PostGreSql数据库驱动类
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class PostgreSqlDriver implements Driver {
    @Override
    public void connect() {
        System.out.println("postgresql驱动连接数据库");
    }
}

8.颜色接口

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color;

/**
 * 
颜色接口
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public interface Color {
    void painting(String shape);
}

9.绿色

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color;

/**
 * 
绿色
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class Green implements Color{
    @Override
    public void painting(String shape) {
        System.out.println("绘制绿色的"+shape);
    }
}

10.红色

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color;

/**
 * 
红色
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class Red implements Color{
    @Override
    public void painting(String shape) {
        System.out.println("绘制红色的"+shape);
    }
}

11.白色

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color;

/**
 * 
白色
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class White implements Color{
    @Override
    public void painting(String shape) {
        System.out.println("绘制白色的"+shape);
    }
}

12.抽象形状类 – 聚合与关联Color实现类

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.shape;

import com.zhaoshuangjian.mode10_桥接模式.mode10.paint.color.Color;

/**
 * 
抽象形状类 -- 聚合与关联Color实现类
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public abstract  class AbstractShape {

    private Color color;

    public Color getColor() {
        return color;
    }

    public void setColor(Color color) {
        this.color = color;
    }

    /**
     * 抽象方法 == 绘制图案
     */
    abstract void draw();
}

13.圆形

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.shape;

/**
 * 
圆形
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class Circle extends AbstractShape {
    @Override
    public void draw() {
        getColor().painting("圆形");
    }

}

14.矩形、长方形

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.shape;

/**
 * 
矩形、长方形
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class Rectangle extends AbstractShape {
    @Override
    public  void draw() {
        getColor().painting("矩形");
    }
}

15.正方形

package com.zhaoshuangjian.mode10_桥接模式.mode10.paint.shape;

/**
 * 
正方形
 *
 * @Author zhaoshuangjian  2023-03-25 下午20:39
 */
public class Square extends AbstractShape {
    @Override
    public void draw() {
        getColor().painting("正方形");
    }

}