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Abstract factory java

Abstract Factory Java Code

Abstract Product

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package edu.redwoods.factory.abstract;

public abstract class Computer {

    public abstract String getRAM();
    public abstract String getHDD();
    public abstract String getCPU();

    @Override
    public String toString(){
        return "RAM= "+this.getRAM()+", HDD="+this.getHDD()+", CPU="+this.getCPU();
    }
}

Concrete Products

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package edu.redwoods.factory.abstract;

public class PC extends Computer {

    private String ram;
    private String hdd;
    private String cpu;

    public PC(String ram, String hdd, String cpu){
        this.ram=ram;
        this.hdd=hdd;
        this.cpu=cpu;
    }
    @Override
    public String getRAM() {
        return this.ram;
    }

    @Override
    public String getHDD() {
        return this.hdd;
    }

    @Override
    public String getCPU() {
        return this.cpu;
    }

}

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package edu.redwoods.factory.abstract;

public class Server extends Computer {

    private String ram;
    private String hdd;
    private String cpu;

    public Server(String ram, String hdd, String cpu){
        this.ram=ram;
        this.hdd=hdd;
        this.cpu=cpu;
    }
    @Override
    public String getRAM() {
        return this.ram;
    }

    @Override
    public String getHDD() {
        return this.hdd;
    }

    @Override
    public String getCPU() {
        return this.cpu;
    }

}

Abstract Factory Interface

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package edu.redwoods.factory.abstract;

import edu.redwoods.factory.abstract.model.Computer;

public interface ComputerAbstractFactory {

    public Computer createComputer();

}

Concrete Factories

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package edu.redwoods.factory.abstract;

import edu.redwoods.factory.abstract.model.Computer;
import edu.redwoods.factory.abstract.model.PC;

public class PCFactory implements ComputerAbstractFactory {

    private String ram;
    private String hdd;
    private String cpu;

    public PCFactory(String ram, String hdd, String cpu){
        this.ram=ram;
        this.hdd=hdd;
        this.cpu=cpu;
    }
    @Override
    public Computer createComputer() {
        return new PC(ram,hdd,cpu);
    }

}

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package edu.redwoods.factory.abstract;

import edu.redwoods.factory.abstract.model.Computer;
import edu.redwoods.factory.abstract.model.Server;

public class ServerFactory implements ComputerAbstractFactory {

    private String ram;
    private String hdd;
    private String cpu;

    public ServerFactory(String ram, String hdd, String cpu){
        this.ram=ram;
        this.hdd=hdd;
        this.cpu=cpu;
    }

    @Override
    public Computer createComputer() {
        return new Server(ram,hdd,cpu);
    }

}

Convenience Consumer Class

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package edu.redwoods.factory.abstract;

import edu.redwoods.factory.abstract.model.Computer;

public class ComputerFactory {

    public static Computer getComputer(ComputerAbstractFactory factory){
        return factory.createComputer();
    }
}

Abstract Factory Client

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package edu.redwoods.factory.abstract;

import edu.redwoods.factory.abstract.PCFactory;
import edu.redwoods.factory.abstract.ServerFactory;
import edu.redwoods.factory.abstract.factory.ComputerFactory;
import edu.redwoods.factory.abstract.model.Computer;

public class TestDesignPatterns {

    public static void main(String[] args) {
        testAbstractFactory();
    }

    private static void testAbstractFactory() {
        Computer pc = edu.redwoods.factory.abstract.ComputerFactory.getComputer(new PCFactory("2 GB","500 GB","2.4 GHz"));
        Computer server = edu.redwoods.factory.abstract.ComputerFactory.getComputer(new ServerFactory("16 GB","1 TB","2.9 GHz"));
        System.out.println("AbstractFactory PC Config::"+pc);
        System.out.println("AbstractFactory Server Config::"+server);
    }
}