public void Prepare(Delta delta)
{
Console.WriteLine("Pozvan je prepare na NMS-u");
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
try
{
UpdateResult updateResult = gda.ApplyUpdate(delta);
if (updateResult.Result == ResultType.Succeeded)
{
callback.CallbackPrepare(true);
}
else
{
//Rollback();
callback.CallbackPrepare(false);
}
}
catch (Exception ex)
{
//Rollback();
callback.CallbackPrepare(false); // problematicno ako se desi exception u pozivu, nece se uhvatiti
Console.WriteLine(ex.Message);
}
}
public void Prepare(Delta delta)
{
Console.WriteLine("Pozvan je prepare na DMS-u");
newTree = DMSServiceHost.Instance.InitializeNetwork(delta);
DMSServiceHost.updatesCount += 1;
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
if (newTree.Data.Values.Count != 0)
{
callback.CallbackPrepare(true);
}
else
{
callback.CallbackPrepare(false);
}
}
/// <summary>
/// Trying to apply, APPLYING if it is possible, and write new configuration to new file
/// </summary>
/// <param name="delta"></param>
public void Prepare(ScadaDelta delta)
{
Console.WriteLine("Pozvan je Prepare na SCADA");
IDistributedTransactionCallback callback = OperationContext.Current.GetCallbackChannel <IDistributedTransactionCallback>();
if (dbContext.ApplyDelta(delta))
{
try
{
ScadaModelParser parser = new ScadaModelParser();
// to do:
// mozda ove serijaliyacije da budu taskovi_
// novu konfiguraciju cuvamo u fajlu
parser.SerializeScadaModel(modifiedConfigFile);
Console.WriteLine("Prepare true");
callback.CallbackPrepare(true);
}
catch (Exception ex)
{
ScadaModelParser parser = new ScadaModelParser();
parser.DeserializeScadaModel(); // returning to old state (state was previosuly changed in apply delta)
Console.WriteLine(ex.Message);
Console.WriteLine("1Prepare false");
callback.CallbackPrepare(false);
}
}
else
{
ScadaModelParser parser = new ScadaModelParser();
parser.DeserializeScadaModel(); // returning to old state (state was previosuly changed in apply delta)
Console.WriteLine("2Prepare false");
callback.CallbackPrepare(false);
}
}