Product.java

package com.cheng.zenofdesignpatterns.perfectworld.observer_mediator;

/**
 *
 */
public class Product implements Cloneable {

    // 产品名称
    private String name;
    // 是否可以属性变更
    private boolean canChanged = false;

    // 产生一个新的产品
    public Product(ProductManager manager, String _name) {
        // 允许建立产品
        if (manager.isCreateProduct()) {
            canChanged = true;
            this.name = _name;
        }
    }

    public String getName() {
        return name;
    }

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

    }

    // 覆写clone方法
    @Override
    public Product clone() {
        Product p = null;
        try {
            p = (Product) super.clone();
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        return p;
    }
}