public virtual List <T> GetData <T, U>(Expression <Func <T, bool> > expression) where T : class, new() where U : IQuerySurface
{
string newCacheKey = CacheKey;
if (expression != null)
{
newCacheKey = string.Format("{0}:{1}", CacheKey, expression.ToString());
}
List <T> data = CacheHelper != null && CacheExpiry > 0 ? CacheHelper.Get(newCacheKey) as List <T> : null;
if (data == null)
{
SubSonicRepository <T> repository = GetRepository <T, U>();
if (expression != null)
{
data = repository.Find(expression).ToList();
}
else
{
data = repository.GetAll().ToList();
}
if (CacheHelper != null)
{
CacheHelper.Add(newCacheKey, data, DateTime.Now.AddSeconds(CacheExpiry));
}
}
return(data);
}
private static void ClearOfflineProviders()
{
SetProvider();
Utility.WriteTrace("Checking for offline providers...");
List<DataProvider> list = new List<DataProvider>();
foreach (DataProvider provider in DataService.Providers)
{
try
{
SubSonicRepository r = new SubSonicRepository(provider);
if (!r.IsOnline())
{
list.Add(provider);
}
}
catch (Exception ex)
{
Utility.WriteTrace(string.Format("Error message {0}", ex));
list.Add(provider);
}
}
if (list.Count > 0)
{
Utility.WriteTrace("Clearing offline providers...");
foreach (DataProvider p in list)
{
Utility.WriteTrace(string.Format("Provider {0} is offline. No files will be generated.", p.Name));
DataService.Providers.Remove(p.Name);
}
}
}
