/// <summary>
/// 获取缓存中的本地数据，如果缓存中缺少数据，则回调RecallDataFromLocal事件的数据
/// </summary>
/// <returns></returns>
public static List <T> GetCacheList <T>(this IServiceXCache pInterface, RecallDataFromLocal <T> pdelegate, ICacheConfig pCacheConfig, CacheItemRemovedCallback RemovedCallback)
{
object objValue = GetCache(pInterface, pCacheConfig);
if (objValue == null || objValue.GetType() != typeof(List <T>))
{
var pValue = pdelegate();
if (pValue != null)
{
if (pValue is IEnumerable <T> )
{
if ((pValue as IEnumerable <T>).Count() > 0)
{
//将缓存内容写入执行项中
pCacheConfig.CacheContent = pValue;
//每次从数据库中获取数据都添加到缓存中
pInterface.InsertCache(pCacheConfig, RemovedCallback);
}
}
else
{
//将缓存内容写入执行项中
pCacheConfig.CacheContent = pValue;
//每次从数据库中获取数据都添加到缓存中
pInterface.InsertCache(pCacheConfig, RemovedCallback);
}
}
return(pValue);
}
return(objValue as List <T>);
}
/// <summary>
/// 获取缓存中的本地数据，如果缓存中缺少数据，则回调RecallDataFromLocal事件的数据
/// </summary>
/// <returns></returns>
public static List <T> GetCacheList <T>(this IServiceXCache pInterface, RecallDataFromLocal <T> pdelegate, ICacheConfig pCacheConfig)
{
object objValue = GetCache(pInterface, pCacheConfig);
if (objValue == null || objValue.GetType() != typeof(List <T>))
{
return(pdelegate());
}
return(objValue as List <T>);
}
/// <summary>
/// 清空缓存
/// </summary>
/// <param name="pInterface"></param>
/// <param name="pCacheConfig"></param>
public static void RemoveCache(this IServiceXCache pInterface, ICacheConfig pCacheConfig)
{
HttpRuntime.Cache.Remove(pCacheConfig.CacheTypeName);
}
/// <summary>
/// 获取缓存
/// </summary>
/// <param name="pInterface"></param>
/// <param name="pCacheConfig"></param>
/// <returns></returns>
public static object GetCache(this IServiceXCache pInterface, ICacheConfig pCacheConfig)
{
return(HttpRuntime.Cache.Get(pCacheConfig.CacheTypeName));
}
/// <summary>
/// 插入缓存，覆盖旧有缓存
/// </summary>
/// <param name="pInterface"></param>
/// <param name="pCacheConfig"></param>
/// <param name="onRemove"></param>
public static void InsertCache(this IServiceXCache pInterface, ICacheConfig pCacheConfig, CacheItemRemovedCallback onRemove)
{
HttpRuntime.Cache.Insert(pCacheConfig.CacheTypeName, pCacheConfig.CacheContent, pCacheConfig.Dependency, pCacheConfig.AbsoluteTime, pCacheConfig.SlidingTime, pCacheConfig.Priority, onRemove);
}
