UserByAgeThan.java

package com.cheng.zenofdesignpatterns.extension.newpatterns.specification.userquery;

/**
 * 大于基准年龄的规格书
 */
public class UserByAgeThan extends CompositeSpecification {

    // 基准年龄
    private int age;

    // 构造函数传递基准年龄
    public UserByAgeThan(int _age) {
        this.age = _age;
    }

    // 检验用户是否满足条件
    public boolean isSatisfiedBy(User user) {
        return user.getAge() > age;
    }

}