创建者模式学习

Posted 2021-03-22 oo-llm

package com.sise.llm.test;


//建造者模式：将一个复杂对象的建造与他的表示分离，使得同样的构造过程可以创建不同的表示
//四部分     Director（步骤控制）           ConcreteBuilder(具体构建方式)     Builder（抽象产品）       Product（产品A）
//                                                                           ProductBuilder(抽象接口：产品属性与创建方法)
//
//       ProductBuilder   DefaultConcreteProductBuilder  Director  Product
//        想法-》工具-》实现过程-》产品
//       
//
// 1
public class BuilderTest {
    public static void main(String[] args) {
        //Product a = new Product("产品A","公司1","功能1");
        DefaultConcreteProductBuilder defaultConcreteProductBuilder = new DefaultConcreteProductBuilder();
        Director director = new Director(defaultConcreteProductBuilder);
        director.makeProduct("产品名称","公司名称","功能1");



    }
}

interface ProductBuilder{
    void builderProductName(String productName);
    void builderCompanyName(String companyName);
    void builderPart1(String part1);

    Product builder();
}

class DefaultConcreteProductBuilder implements ProductBuilder{
    private String productName;
    private String companyName;
    private String part1;

    @Override
    public void builderProductName(String productName) {
        this.productName = productName;

    }

    @Override
    public void builderCompanyName(String companyName) {
        this.companyName = companyName;

    }

    @Override
    public void builderPart1(String part1) {
        this.part1 = part1;

    }

    @Override
    public Product builder() {
        return new Product(this.productName,this.companyName,this.part1);
    }
}

class Director{
    private  ProductBuilder builder;

    public Director(ProductBuilder builder){
        this.builder = builder;
    }

    public  Product makeProduct(String productName, String companyName, String part1){
        builder.builderProductName(productName);
        builder.builderCompanyName(companyName);
        builder.builderPart1(part1);
        Product product = builder.builder();
        System.out.print(product);
        return product;
    }
}

class Product{

    private String productName;
    private String companyName;
    private String part1;



    public Product(String productName, String companyName, String part1) {
        this.productName = productName;
        this.companyName = companyName;
        this.part1 = part1;
    }

    public String getProductName() {
        return productName;
    }

    public void setProductName(String productName) {
        this.productName = productName;
    }

    public String getCompanyName() {
        return companyName;
    }

    public void setCompanyName(String companyName) {
        this.companyName = companyName;
    }

    public String getPart1() {
        return part1;
    }

    public void setPart1(String part1) {
        this.part1 = part1;
    }




}