/// <summary>
/// This method acts as a proxy between the web and business components to check whether the
/// underlying data has already been cached.
/// </summary>
/// <returns>List of Model.ProvinceCity from Cache or Business component</returns>
public static List <Model.ProvinceCity> GetListProvinceCity()
{
BLL.ProvinceCity pcBll = new BLL.ProvinceCity();
if (!enableCaching)
{
return(pcBll.GetList());
}
string key = "provinceCity_all";
List <Model.ProvinceCity> data = (List <Model.ProvinceCity>)HttpRuntime.Cache[key];
// Check if the data exists in the data cache
if (data == null)
{
// If the data is not in the cache then fetch the data from the business logic tier
data = pcBll.GetList();
// Create a AggregateCacheDependency object from the factory
AggregateCacheDependency cd = DependencyFactory.GetProvinceCityDependency();
// Store the output in the data cache, and Add the necessary AggregateCacheDependency object
HttpRuntime.Cache.Add(key, data, cd, DateTime.Now.AddHours(provinceCityTimeout), Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return(data);
}
/// <summary>
/// 获取当前根节点下的所有内容类型和内容
/// </summary>
/// <param name="typeName"></param>
/// <returns></returns>
public static List <Model.ContentDetailInfo> GetSiteContent()
{
BLL.ContentDetail bll = new BLL.ContentDetail();
if (!enableCaching)
{
return(bll.GetSiteContent("站点所有帮助"));
}
string key = "sitecontent_all";
List <Model.ContentDetailInfo> data = (List <Model.ContentDetailInfo>)HttpRuntime.Cache[key];
if (data == null)
{
data = bll.GetSiteContent("站点所有帮助");
AggregateCacheDependency cd = DependencyFactory.GetProvinceCityDependency();
HttpRuntime.Cache.Add(key, data, cd, DateTime.Now.AddHours(siteContentTimeout), Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return(data);
}
public static List <Model.CategoryInfo> GetList()
{
BLL.Category bll = new BLL.Category();
if (!enableCaching)
{
return(bll.GetList());
}
string key = "category_all";
List <Model.CategoryInfo> data = (List <Model.CategoryInfo>)HttpRuntime.Cache[key];
if (data == null)
{
data = bll.GetList();
AggregateCacheDependency cd = DependencyFactory.GetProvinceCityDependency();
HttpRuntime.Cache.Add(key, data, cd, DateTime.Now.AddHours(categoryTimeout), Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return(data);
}
public static List <string> GetKeywords()
{
BLL.SearchKeyword bll = new BLL.SearchKeyword();
if (!enableCaching)
{
return(bll.GetKeywords());
}
string key = "keyword_all";
List <string> data = (List <string>)HttpRuntime.Cache[key];
if (data == null)
{
data = bll.GetKeywords();
AggregateCacheDependency cd = DependencyFactory.GetProvinceCityDependency();
HttpRuntime.Cache.Add(key, data, cd, DateTime.Now.AddHours(keywordTimeout), Cache.NoSlidingExpiration, CacheItemPriority.High, null);
}
return(data);
}
