设计模式_建造者模式(Builder)

package com.builder;

/**
 * CPU类
 * @author 83998
 *
 */
public class Cpu {
	private String name;

	public Cpu(String name) {
		super();
		this.name = name;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public void work() {
		System.out.println(name + "is working");
	}
}

package com.builder;

/**
 * 硬盘类
 * @author 83998
 *
 */
public class Disk {
	private String name;

	public Disk(String name) {
		super();
		this.name = name;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public void work() {
		System.out.println(name + "is working");
	}
}

package com.builder;

/**
 * 内存类
 * @author 83998
 *
 */
public class Memory {
	private String name;

	public Memory(String name) {
		super();
		this.name = name;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public void work() {
		System.out.println(name + "is working");
	}
}

package com.builder;

/**
 * 电脑类
 * @author 83998
 *
 */
public class Computer {
	private String name;
	private Cpu cpu;
	private Disk disk;
	private Memory memory;

	public Computer() {
		super();
	}

	public Computer(String name, Cpu cpu, Disk disk, Memory memory) {
		super();
		this.name = name;
		this.cpu = cpu;
		this.disk = disk;
		this.memory = memory;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public Cpu getCpu() {
		return cpu;
	}

	public void setCpu(Cpu cpu) {
		this.cpu = cpu;
	}

	public Disk getDisk() {
		return disk;
	}

	public void setDisk(Disk disk) {
		this.disk = disk;
	}

	public Memory getMemory() {
		return memory;
	}

	public void setMemory(Memory memory) {
		this.memory = memory;
	}

	public void work() {
		cpu.work();
		disk.work();
		memory.work();
	}
}

package com.builder;

/**
 * 电脑组装工具接口
 * @author 83998
 *
 */
public interface ComputerBuilder {
	void createCpu();

	void createDisk();

	void createMemory();

	Computer createComputer();
}

package com.builder;

/**
 * 小米电脑组装工具类，实现电脑组装工具接口
 * @author 83998
 *
 */
public class MiBuilder implements ComputerBuilder {

	private Computer computer = new Computer();

	@Override
	public void createCpu() {
		computer.setCpu(new Cpu("intel i9"));
	}

	@Override
	public void createDisk() {
		computer.setDisk(new Disk("2T soild"));
	}

	@Override
	public void createMemory() {
		computer.setMemory(new Memory("16G Memory"));
	}

	@Override
	public Computer createComputer() {
		computer.setName("Mi air13");
		return computer;
	}
}

package com.builder;

/**
 * 组装工人类
 * @author 83998
 *
 */
public class Worker {
	/**
	 * 组装工人利用组装工具组装电脑的方法
	 * @param cb
	 * @return
	 */
	public static Computer createComputer(ComputerBuilder cb) {
		cb.createCpu();
		cb.createDisk();
		cb.createMemory();
		return cb.createComputer();
	}
}

package com.builder;

/**
 * 测试类
 * @author 83998
 *
 */
public class Test {

	public static void main(String[] args) {
		Computer computer = Worker.createComputer(new MiBuilder());
		computer.work();
	}
}