C# 缓存工厂类
描 述：缓存工厂类
/// <summary>
/// 描 述：缓存工厂类
/// </summary>
public class CacheFactory
{
/// <summary>
/// 定义通用的Repository
/// </summary>
/// <returns></returns>
public static ICacheService Cache()
{
var cacheType = Config.GetValue("CacheType");
switch (cacheType)
{
case "MemoryCache":
return new MemoryCacheService(null);
case "RedisCache":
return new RedisCacheService();
default:
return new MemoryCacheService(null);
}
}
}
描 述：缓存接口
public interface ICacheService
{
/// <summary>
/// 验证缓存项是否存在
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
bool Exists(string key);
/// <summary>
/// 验证缓存项是否存在（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
//Task<bool> ExistsAsync(string key);
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <returns></returns>
bool Add(string key, object value);
/// <summary>
/// 添加缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <returns></returns>
//Task<bool> AddAsync(string key, object value);
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
bool Add(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte);
/// <summary>
/// 添加缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
//Task<bool> AddAsync(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte);
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <returns></returns>
bool Add(string key, object value, TimeSpan expiresIn, bool isSliding = false);
/// <summary>
/// 添加缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <returns></returns>
//Task<bool> AddAsync(string key, object value, TimeSpan expiresIn, bool isSliding = false);
/// <summary>
/// 删除缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
bool Remove(string key);
/// <summary>
/// 删除缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
//Task<bool> RemoveAsync(string key);
/// <summary>
/// 批量删除缓存
/// </summary>
/// <param name="key">缓存Key集合</param>
/// <returns></returns>
void RemoveAll(IEnumerable<string> keys);
/// <summary>
/// 批量删除缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key集合</param>
/// <returns></returns>
//Task RemoveAllAsync(IEnumerable<string> keys);
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
T Get<T>(string key) where T : class;
/// <summary>
/// 获取缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
//Task<T> GetAsync<T>(string key) where T : class;
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
object Get(string key);
/// <summary>
/// 获取缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
//Task<object> GetAsync(string key);
/// <summary>
/// 获取缓存集合
/// </summary>
/// <param name="keys">缓存Key集合</param>
/// <returns></returns>
IDictionary<string, object> GetAll(IEnumerable<string> keys);
/// <summary>
/// 获取缓存集合（异步方式）
/// </summary>
/// <param name="keys">缓存Key集合</param>
/// <returns></returns>
//Task<IDictionary<string, object>> GetAllAsync(IEnumerable<string> keys);
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <returns></returns>
bool Replace(string key, object value);
/// <summary>
/// 修改缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <returns></returns>
//Task<bool> ReplaceAsync(string key, object value);
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
bool Replace(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte);
/// <summary>
/// 修改缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
//Task<bool> ReplaceAsync(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte);
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <returns></returns>
bool Replace(string key, object value, TimeSpan expiresIn, bool isSliding = false);
/// <summary>
/// 修改缓存（异步方式）
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <returns></returns>
//Task<bool> ReplaceAsync(string key, object value, TimeSpan expiresIn, bool isSliding = false);
}
描 述 ：MemoryCache
public class MemoryCacheService : ICacheService
{
protected IMemoryCache Cache;
public MemoryCacheService(IMemoryCache _cache)
{
Cache = _cache;
}
/// <summary>
/// 验证缓存项是否存在
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public bool Exists(string key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
object cached;
return Cache.TryGetValue(key, out cached);
}
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <returns></returns>
public bool Add(string key, object value)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
Cache.Set(key, value);
return Exists(key);
}
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
public bool Add(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
Cache.Set(key, value,
new MemoryCacheEntryOptions()
.SetSlidingExpiration(expiresSliding)
.SetAbsoluteExpiration(expiressAbsoulte)
);
return Exists(key);
}
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <returns></returns>
public bool Add(string key, object value, TimeSpan expiresIn, bool isSliding = false)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (isSliding)
Cache.Set(key, value,
new MemoryCacheEntryOptions()
.SetSlidingExpiration(expiresIn)
);
else
Cache.Set(key, value,
new MemoryCacheEntryOptions()
.SetAbsoluteExpiration(expiresIn)
);
return Exists(key);
}
/// <summary>
/// 删除缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public bool Remove(string key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
Cache.Remove(key);
return !Exists(key);
}
/// <summary>
/// 批量删除缓存
/// </summary>
/// <param name="key">缓存Key集合</param>
/// <returns></returns>
public void RemoveAll(IEnumerable<string> keys)
{
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
keys.ToList().ForEach(item => Cache.Remove(item));
}
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public T Get<T>(string key) where T : class
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
return Cache.Get(key) as T;
}
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public object Get(string key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
return Cache.Get(key);
}
/// <summary>
/// 获取缓存集合
/// </summary>
/// <param name="keys">缓存Key集合</param>
/// <returns></returns>
public IDictionary<string, object> GetAll(IEnumerable<string> keys)
{
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
var dict = new Dictionary<string, object>();
keys.ToList().ForEach(item => dict.Add(item, Cache.Get(item)));
return dict;
}
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <returns></returns>
public bool Replace(string key, object value)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (Exists(key))
if (!Remove(key)) return false;
return Add(key, value);
}
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
public bool Replace(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (Exists(key))
if (!Remove(key)) return false;
return Add(key, value, expiresSliding, expiressAbsoulte);
}
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <returns></returns>
public bool Replace(string key, object value, TimeSpan expiresIn, bool isSliding = false)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (Exists(key))
if (!Remove(key)) return false;
return Add(key, value, expiresIn, isSliding);
}
public void Dispose()
{
if (Cache != null)
Cache.Dispose();
GC.SuppressFinalize(this);
}
}
描 述： RedisCache
public class RedisCacheService : ICacheService
{
public RedisCacheService(/*RedisCacheOptions options, int database = 0*/)
//这里可以做成依赖注入，但没打算做成通用类库，所以直接把连接信息直接写在帮助类里
{
RedisCacheOptions options = new RedisCacheOptions
{
Configuration = "127.0.0.1:6379",
InstanceName = "RedisCacheService_u48H4GU583hyehdH43"
};
//RedisConfig.Connection;
// RedisConfig.InstanceName;
; //RedisConfig.DefaultDatabase;
_connection = ConnectionMultiplexer.Connect(options.Configuration);
Cache = _connection.GetDatabase(database);
_instance = options.InstanceName;
}
protected IDatabase Cache;
private readonly ConnectionMultiplexer _connection;
private readonly string _instance;
//public RedisCacheService(RedisCacheOptions options, int database = 0)
//{
// _connection = ConnectionMultiplexer.Connect(options.Configuration);
// Cache = _connection.GetDatabase(database);
// _instance = options.InstanceName;
//}
public string GetKeyForRedis(string key)
{
return _instance + key;
}
/// <summary>
/// 验证缓存项是否存在
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public bool Exists(string key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
return Cache.KeyExists(GetKeyForRedis(key));
}
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <returns></returns>
public bool Add(string key, object value)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
return Cache.StringSet(GetKeyForRedis(key), Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(value)));
}
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间,Redis中无效）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
public bool Add(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
return Cache.StringSet(GetKeyForRedis(key), Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(value)), expiressAbsoulte);
}
/// <summary>
/// 添加缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间,Redis中无效）</param>
/// <returns></returns>
public bool Add(string key, object value, TimeSpan expiresIn, bool isSliding = false)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
return Cache.StringSet(GetKeyForRedis(key), Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(value)), expiresIn);
}/// <summary>
/// 删除缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public bool Remove(string key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
return Cache.KeyDelete(GetKeyForRedis(key));
}
/// <summary>
/// 批量删除缓存
/// </summary>
/// <param name="key">缓存Key集合</param>
/// <returns></returns>
public void RemoveAll(IEnumerable<string> keys)
{
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
keys.ToList().ForEach(item => Remove(GetKeyForRedis(item)));
}
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public T Get<T>(string key) where T : class
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
var value = Cache.StringGet(GetKeyForRedis(key));
if (!value.HasValue)
{
return default(T);
}
return JsonConvert.DeserializeObject<T>(value);
}
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public object Get(string key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
var value = Cache.StringGet(GetKeyForRedis(key));
if (!value.HasValue)
{
return null;
}
return JsonConvert.DeserializeObject(value);
}
/// <summary>
/// 获取缓存集合
/// </summary>
/// <param name="keys">缓存Key集合</param>
/// <returns></returns>
public IDictionary<string, object> GetAll(IEnumerable<string> keys)
{
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
var dict = new Dictionary<string, object>();
keys.ToList().ForEach(item => dict.Add(item, Get(GetKeyForRedis(item))));
return dict;
}
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <returns></returns>
public bool Replace(string key, object value)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (Exists(key))
if (!Remove(key))
return false;
return Add(key, value);
}
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresSliding">滑动过期时长（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <param name="expiressAbsoulte">绝对过期时长</param>
/// <returns></returns>
public bool Replace(string key, object value, TimeSpan expiresSliding, TimeSpan expiressAbsoulte)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (Exists(key))
if (!Remove(key))
return false;
return Add(key, value, expiresSliding, expiressAbsoulte);
}
/// <summary>
/// 修改缓存
/// </summary>
/// <param name="key">缓存Key</param>
/// <param name="value">新的缓存Value</param>
/// <param name="expiresIn">缓存时长</param>
/// <param name="isSliding">是否滑动过期（如果在过期时间内有操作，则以当前时间点延长过期时间）</param>
/// <returns></returns>
public bool Replace(string key, object value, TimeSpan expiresIn, bool isSliding = false)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (Exists(key))
if (!Remove(key)) return false;
return Add(key, value, expiresIn, isSliding);
}
public void Dispose()
{
if (_connection != null)
_connection.Dispose();
GC.SuppressFinalize(this);
}
}
C# 缓存工厂类的更多相关文章
- 缓存工厂之Redis缓存
这几天没有按照计划分享技术博文,主要是去医院了,这里一想到在医院经历的种种,我真的有话要说:医院里的医务人员曾经被吹捧为美丽+和蔼+可亲的天使,在经受5天左右相互接触后不得不让感慨:遇见的有些人员在挂 ...
- 利用Spring.Net技术打造可切换的分布式缓存读写类
利用Spring.Net技术打造可切换的Memcached分布式缓存读写类 Memcached是一个高性能的分布式内存对象缓存系统,因为工作在内存,读写速率比数据库高的不是一般的多,和Radis一样具 ...
- spring源码分析系列 (8) FactoryBean工厂类机制
更多文章点击--spring源码分析系列 1.FactoryBean设计目的以及使用 2.FactoryBean工厂类机制运行机制分析 1.FactoryBean设计目的以及使用 FactoryBea ...
- Executor框架（五）Executors工厂类
Executors 简介 Executors 是一个工厂类,其提供的是Executor.ExecutorService.ScheduledExecutorService.ThreadFactory 和 ...
- Executor（二）ThreadPoolExecutor、ScheduledThreadPoolExecutor 及 Executors 工厂类
Executor(二)ThreadPoolExecutor.ScheduledThreadPoolExecutor 及 Executors 工厂类 Java 中的线程池类有两个,分别是:ThreadP ...
- 3.NetDh框架之缓存操作类和二次开发模式简单设计(附源码和示例代码)
前言 NetDh框架适用于C/S.B/S的服务端框架,可用于项目开发和学习.目前包含以下四个模块 1.数据库操作层封装Dapper,支持多种数据库类型.多库实例,简单强大: 此部分具体说明可参考博客: ...
- 对业务类进行构造的工厂类BLLFactory
using System; using System.Collections.Generic; using System.Text; using System.Collections; using W ...
- 【Java 多线程】Java线程池类ThreadPoolExecutor、ScheduledThreadPoolExecutor及Executors工厂类
Java中的线程池类有两个,分别是:ThreadPoolExecutor和ScheduledThreadPoolExecutor,这两个类都继承自ExecutorService.利用这两个类,可以创建 ...
- php : 工厂类演示
工厂类的目的: 通过类名, 动态创建该类的对象实例 <?php /* * 工厂类演示 */ class A{} class B{} // 工厂类: 有一个静态方法,通过该方法,能够获得指定类的对 ...
随机推荐
- java多线程中的死锁、活锁、饥饿、无锁都是什么鬼？
死锁.活锁.饥饿是关于多线程是否活跃出现的运行阻塞障碍问题,如果线程出现了这三种情况,即线程不再活跃,不能再正常地执行下去了. 死锁 死锁是多线程中最差的一种情况,多个线程相互占用对方的资源的锁,而又 ...
- visual studio code 输出乱码
问题: 解决方法: 首先,这个与VS本身无关,问题是出现在windows的dos显示设置上. 如何解决这个问题? 1.打开运行,输入cmd: 2.界面顶部右键,选择默认值: 3.将437(OEM-美国 ...
- d3js data joins深入理解
Data joins 给定一个数据数组和一个 D3 selection 我们就可以attach或者说是'join'数组中的每个数据到selection中的每个元素上. 这将使得我们的数据和可视化元素 ...
- java笔记--BigDecimal的使用
BigDecimal的运用 --如果朋友您想转载本文章请注明转载地址"http://www.cnblogs.com/XHJT/p/3877231.html "谢谢-- BigDec ...
- python之复数
#coding=utf8 ''''' 复数是由一个实数和一个虚数组合构成,表示为:x+yj 一个负数时一对有序浮点数(x,y),其中x是实数部分,y是虚数部分. Python语言中有关负数的概念: 1 ...
- SQL点点滴滴_特殊用法笔记
声明: 本文为转载,感谢原作者的辛勤付出. 原博客地址为:http://www.cnblogs.com/icyJ/p/SQL_Statement.html 1.MERGE用法:关联两表,有则改,无则加 ...
- Python 词频统计
利用Python做一个词频统计 GitHub地址:FightingBob [Give me a star , thanks.] 词频统计 对纯英语的文本文件[Eg: 瓦尔登湖(英文版).txt]的英文 ...
- 使用FontAwesome
使用FontAwesome https://github.com/PrideChung/FontAwesomeKit 为什么要使用FontAwesome呢,其实,它的字体就是矢量图,无论是放大还是缩小 ...
- 支持xcode6的缓动函数Easing以及使用示例
支持xcode6的缓动函数Easing以及使用示例 用xcode6新建工程后,直接导致不支持之前的Easing缓动函数的代码,经过修改后就可以正常使用了,虽然比不上POP高大上的动画,但用缓动函数的动 ...
- Java实例---简单的超市管理系统
代码分析 Customer.java package test; public class Customer { private String name; private int customerTy ...