/// <summary>
/// 根据lambada表达式删除符合条件的实体
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="listId"></param>
/// <param name="func"></param>
public void RemoveEntityFromList <T>(string listId, Func <T, bool> func)
{
IRedisTypedClient <T> iredisClient = Redis.As <T>();
IRedisList <T> redisList = iredisClient.Lists[listId];
T value = redisList.Where(func).FirstOrDefault();
redisList.RemoveValue(value);
iredisClient.Save();
}
/// <summary>
/// To get list of menuitems in the Restaurant
/// </summary>
/// <param name="restaurantId"></param>
/// <param name="searchText"></param>
/// <param name="pageIndex"></param>
/// <param name="pageSize"></param>
/// <returns>IEnumerable<RestaurantMenu></returns>
public async Task <IEnumerable <RestaurantMenu> > GetRestaurantMenusAsync(int restaurantId, string searchText = null, int pageIndex = 0, int pageSize = 0)
{
LoggerManager.InfoLog(string.Format("Executing service to get the menu list of restaurant - {0}", restaurantId));
IEnumerable <RestaurantMenu> searchList = null;
LoggerManager.DebugLog("Establishing connection with Redis cache");
if (restaurantId > 0)
{
//Read Redis Cache
IRedisList <RestaurantMenu> menuList = getRedisCacheObject(_configuration["CacheKeyPrefix"] + restaurantId);
//Load Redis Cache
if (menuList == null || menuList.Count == 0)
{
LoggerManager.DebugLog("Loading items into the Redis cache");
menuList = await LoadMenuToRedisCache(restaurantId.ToString());
}
//Search cache for menuitem and return search list
if (menuList != null)
{
if (!String.IsNullOrEmpty(searchText))
{
LoggerManager.InfoLog(string.Format("Searching for menu items with text - {0}", searchText));
searchList = menuList.Where <RestaurantMenu>(menuitem => menuitem.MenuItemName.Contains(searchText.ToUpper()));
}
else
{
searchList = menuList.AsEnumerable <RestaurantMenu>();
}
}
}
if (pageIndex > 0 && pageSize > 0 && searchList != null && searchList.Count() > 0)
{
searchList = searchList.Skip(pageSize * (pageIndex - 1)).Take(pageSize);
LoggerManager.InfoLog(string.Format("Returning paged menu items of page index - {0} and of size {1}", pageIndex, pageSize));
if (searchList == null || searchList.Count() <= 0)
{
throw new Exception("End of Page");
}
}
return(searchList);
}
static void Main(string[] args)
{
string host = "localhost";
int port = 6379;
string elementKey = "testKeyRedis";
using (RedisClient redisClient = new RedisClient(host, port))
{
if (redisClient.Get <string>(elementKey) == null)
{
redisClient.Set(elementKey, "some cached value");
}
Console.WriteLine("Item value is: {0}", redisClient.Get <string>(elementKey));
IRedisTypedClient <Phone> phones = redisClient.As <Phone>();
Phone phoneFive = phones.GetValue("5");
if (phoneFive == null)
{
phoneFive = new Redis.Phone
{
Id = 5,
Manufacturer = "Apple",
Model = "xxxx",
Owner = new Person
{
Id = 1,
Age = 90,
Name = "OldOne",
Profession = "teacher",
Surname = "SurName"
}
};
}
phones.SetValue(phoneFive.Id.ToString(), phoneFive);
Console.WriteLine("Phone model is: {0}, Phone Owner Name is: {1}", phoneFive.Manufacturer, phoneFive.Owner.Name);
IRedisList <Phone> mostSelling = phones.Lists["urn:phones:mostselling"];
IRedisList <Phone> oldCollection = phones.Lists["urn:phones:oldCollection"];
Person phoneOwner = new Person
{
Id = 7,
Age = 90,
Name = "OldOne",
Profession = "teacher",
Surname = "SurName"
};
mostSelling.Add(new Phone
{
Id = 5,
Manufacturer = "Apple",
Model = "54321",
Owner = phoneOwner
});
oldCollection.Add(new Phone
{
Id = 8,
Manufacturer = "Moto",
Model = "111111",
Owner = phoneOwner
});
var upgradedPhone = new Phone
{
Id = 5,
Manufacturer = "LG",
Model = "12345",
Owner = phoneOwner
};
mostSelling.Add(upgradedPhone);
Console.WriteLine("Phones in mostSelling list:");
foreach (Phone ph in mostSelling)
{
Console.WriteLine(ph.Id);
}
Console.WriteLine("Phones in oldCollection list:");
foreach (Phone ph in oldCollection)
{
Console.WriteLine(ph.Id);
}
oldCollection.Remove(upgradedPhone);
IEnumerable <Phone> LGPhones = mostSelling.Where(ph => ph.Manufacturer == "LG");
foreach (Phone ph in LGPhones)
{
Console.WriteLine("LG phone Id: {0}, LG phone Model: {1}", ph.Id, ph.Model);
}
Phone singleElement = oldCollection.FirstOrDefault(ph => ph.Id == 8);
Console.WriteLine("singleElement phone Id: {0}, singleElement phone Model: {1}", singleElement.Id, singleElement.Model);
phones.SetSequence(0);
redisClient.Remove("urn:phones:mostselling");
redisClient.Remove("urn:phones:oldCollection");
Console.WriteLine("urn:phones:mostselling Count: {0}", phones.Lists["urn:phones:mostselling"].Count);
}
Console.ReadKey();
}
public ActionResult Index()
{
string message = string.Empty;
string host = "localhost";
using (var redisClient = new RedisClient(host))
{
//Create a 'strongly-typed' API that makes all Redis Value operations to apply against Phones
IRedisTypedClient <Phone> redis = redisClient.As <Phone>();
//Redis lists implement IList<T> while Redis sets implement ICollection<T>
IRedisList <Phone> mostSelling = redis.Lists["urn:phones:mostselling"];
IRedisList <Phone> oldCollection = redis.Lists["urn:phones:oldcollection"];
Person phonesOwner = new Person
{
Id = 7,
Age = 90,
Name = "OldOne",
Profession = "sportsmen",
Surname = "OldManSurname"
};
// adding new items to the list
mostSelling.Add(new Phone
{
Id = 5,
Manufacturer = "Sony",
Model = "768564564566",
Owner = phonesOwner
});
mostSelling.Add(new Phone
{
Id = 8,
Manufacturer = "Motorolla",
Model = "324557546754",
Owner = phonesOwner
});
var upgradedPhone = new Phone
{
Id = 3,
Manufacturer = "LG",
Model = "634563456",
Owner = phonesOwner
};
mostSelling.Add(upgradedPhone);
// remove item from the list
oldCollection.Remove(upgradedPhone);
// find objects in the cache
IEnumerable <Phone> LGPhones = mostSelling.Where(ph => ph.Manufacturer == "LG");
// find specific
Phone singleElement = mostSelling.FirstOrDefault(ph => ph.Id == 8);
//reset sequence and delete all lists
redis.SetSequence(0);
redisClient.Remove("urn:phones:mostselling");
redisClient.Remove("urn:phones:oldcollection");
}
ViewBag.Message = message;
return(View());
}
/// <summary>
/// 查询单条数据
/// </summary>
/// <param name="func">查询条件</param>
/// <returns></returns>
public TEntity Find(Func <TEntity, bool> func)
{
return(table.Where(func).FirstOrDefault());
}
