public void OnSave()
{
bool successfulSave;
try
{
using (var tx = Session.BeginTransaction())
{
// this isn't strictly necessary, NHibernate will
// automatically do it for us, but it make things
// more explicit
Session.Update(Model.Action);
tx.Commit();
}
successfulSave = true;
}
catch (StaleObjectStateException)
{
var mergeResult = Presenters.ShowDialog <MergeResult?>("Merge", Model.Action);
successfulSave = mergeResult != null;
ReplaceSessionAfterError();
}
// we call ActionUpdated anyway, either we updated the value ourselves
// or we encountered a concurrency conflict, in which case we _still_
// want other parts of the application to update themselves with the values
// from the db
EventPublisher.Publish(new ActionUpdated
{
Id = Model.Action.Id
}, this);
if (successfulSave)
{
View.Close();
}
}