추상 팩토리 패턴

 

추상팩토리

- 생산적인 디자인 패턴 중 하나로써 좀 더 factory를 좀 더 생산적으로 만들어 낼 수 있다는 점외에는 factory pattern과 매우 비슷

 

-인터페이스 보다는 구조체에 접근할 수 있는 코드를 제공한다.

-확장에 매우 용의한 패턴으로 쉽게 다른 서브 클래스들을 확장할 수 있다.

-기존 팩토리 패턴의 if-else 로직에서 벗어날 수 있게 해준다.

 

 

 

 

 

package designPattern.abstractFactory;
public class Computer extends Product {
    private String name;
    private int price;

    public Computer (String name, int price) {
        this.name = name;
        this.price = price;
    }

    @Override
    public String getName() {
        return this.name;
    }
    @Override
    public int getPrice() {
        return this.price;
    }
}

 

 

 

package designPattern.abstractFactory;

public class ComputerFactory implements ProductAbstractFactory{

	private String name;
	private int price;
	
	
	public ComputerFactory(String name, int price) {
		this.name=name;
		this.price=price;
	}
	
	@Override
	public Product createProduct() {
		return new Computer(name, price);
	}

}

 

 

package designPattern.abstractFactory;

public abstract class Product {
    public abstract String getName();
    public abstract int getPrice();

    @Override
    public String toString() {
        return "product name : " + getName() + ", price :" + getPrice();
    }
}

 

package designPattern.abstractFactory;

public interface ProductAbstractFactory {
	public Product createProduct();
}

 

 

package designPattern.abstractFactory;

public class ProductFactory {
	public static Product getProduct(ProductAbstractFactory product) {
		return product.createProduct();
	}

	public static void main(String[] args) {
		Product com = ProductFactory.getProduct(new ComputerFactory("com1", 2000));
		Product tk = ProductFactory.getProduct(new TicketFactory("공연", 100000));
		System.out.println(com.toString());
		System.out.println(tk.toString());
	}
}

 

package designPattern.abstractFactory;

public class Ticket extends Product {
    private String name;
    private int price;

    public Ticket (String name, int price) {
        this.name = name;
        this.price = price;
    }

    @Override
    public String getName() {
        return this.name;
    }
    @Override
    public int getPrice () {
        return this.price;
    }
}

 

package designPattern.abstractFactory;

public class TicketFactory implements ProductAbstractFactory {
    private String name;
    private int price;

    public TicketFactory (String name, int price) {
        this.name = name;
        this.price = price;
    }

    public Product createProduct() {
        return new Ticket(name, price);
    }
}

 

java abstract factory pattern (추상 팩토리 패턴) (seotory.com)