///<summary>Process all Signals and Acks Since a given DateTime. Only to be used by OpenDentalWebService. Returns latest valid signal Date/Time. Can throw exception.</summary>
public static void RefreshForWeb(ref DateTime sinceDateT)
{
//No need to check RemotingRole; no call to db.
try {
if (sinceDateT.Year < 1880)
{
sinceDateT = MiscData.GetNowDateTime();
}
//Get all invalid types since given time.
List <int> itypes = Signalods.GetInvalidTypes(Signalods.RefreshTimed(sinceDateT));
if (itypes.Count <= 0)
{
return;
}
string itypesStr = "";
for (int i = 0; i < itypes.Count; i++)
{
if (i > 0)
{
itypesStr += ",";
}
itypesStr += ((int)itypes[i]).ToString();
}
//Refresh the cache for the given invalid types.
Cache.RefreshCache(itypesStr);
sinceDateT = OpenDentBusiness.MiscData.GetNowDateTime();
}
catch (Exception e) {
//Most likely cause for an exception here would be a thread collision between 2 consumers trying to refresh the cache at the exact same instant.
//There is a chance that performing as subsequent refresh here would cause yet another collision but it's the best we can do without redesigning the entire cache pattern.
Cache.Refresh(InvalidType.AllLocal);
throw new Exception("Server cache may be invalid. Please try again. Error: " + e.Message);
}
}