public override Exception ProcessResult(int resultCode, Guid id, object loadedInstance)
{
Exception toReturn = null;
switch (resultCode)
{
case 0: // Success
break;
case 1: // Instance not found
toReturn = new InstanceNotFoundException(id);
break;
case 2: // Could not acquire lock
toReturn = new InstanceLockException(id);
break;
default:
toReturn =
new PersistenceException(SR2.GetString(SR2.UnknownStoredProcResult));
break;
}
if (toReturn == null)
{
if (loadedInstance == null)
{
toReturn = new PersistenceException(SR2.GetString(SR2.SerializationFormatMismatch));
}
}
return toReturn;
}
void ScheduledCallback(object state)
{
Exception completionException = null;
try
{
this.provider.PerformOpen(this.timeout);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
completionException =
new PersistenceException(
SR2.GetString(SR2.ErrorOpeningSqlPersistenceProvider),
e);
}
Complete(false, completionException);
}
static void CommandExecutionComplete(IAsyncResult result)
{
if (result.CompletedSynchronously)
{
return;
}
OperationAsyncResult operationResult = (OperationAsyncResult)result.AsyncState;
Exception completionException = null;
try
{
completionException = operationResult.CompleteOperation(result);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
completionException =
new PersistenceException(
SR2.GetString(SR2.PersistenceOperationError, operationResult.handler.OperationName), e);
}
finally
{
try
{
operationResult.command.Connection.Close();
operationResult.provider.CleanupCommand(operationResult.command);
}
catch (Exception e1)
{
if (Fx.IsFatal(e1))
{
throw;
}
// do not rethrow non-fatal exceptions thrown from cleanup code
}
}
operationResult.Complete(false, completionException);
}
