public void RunWorker(BackgroundWorker worker, DoWorkEventArgs args)
{
var getProgress = args.Argument as Func <ProgressState>
?? new Func <ProgressState>(() => ProgressState.Empty);
CurrentProgress = getProgress() ?? ProgressState.Empty;
ImportStarted(this, EventArgs.Empty);
var type = Type.GetType(DataContextObject.SelectedDataType.Target.ClrType);
var sessionFactory = DataContextObject.ShellContext.SessionFactoryHolder.GetSessionFactory();
CurrentProgress = new ProgressState(0, DataContextObject.TargetsToImport.Count);
using (NHibernate.ISession session = sessionFactory.OpenSession())
{
var current = 0;
var total = DataContextObject.TargetsToImport.Count;
int batchSize = Settings.Default.BatchSize;
using (var tx = session.BeginTransaction())
{
while (current < total && !args.Cancel && !Cancelled)
{
if (worker.CancellationPending)
{
args.Cancel = true;
}
else
{
var target = DataContextObject.TargetsToImport[current];
(target as ContentPartRecord).ContentItemRecord = DataContextObject.CurrentContentItem;
try
{
session.Save(DataContextObject.TargetsToImport[current]);
}
catch (Exception ex)
{
GuardError(current, ex);
}
finally
{
if (current % batchSize == 0)
{ //20, same as the ADO batch size
session.Flush();
session.Clear();
}
current++;
var progress = new ProgressState(current, total);
worker.ReportProgress((int)Math.Floor(progress.Ratio * 100d), progress);
if (current % 1000 == 0)
{
Application.Current.DoEvents();
}
}
}
}
session.Flush();
session.Clear();
tx.Commit();
}
session.Close();
}
}
private void BatchSaveInTransaction(IList <AppAuditLog> logs)
{
logger.LogInformation($"Batch save {logs.Count} audit logs to db ...");
session.SetBatchSize(logs.Count);
using (var tx = session.BeginTransaction()) {
try {
session.SetBatchSize(logs.Count);
foreach (var log in logs)
{
session.Save(log);
}
session.Flush();
session.Clear();
tx.Commit();
}
catch (Exception ex) {
tx?.Rollback();
logger.LogError(ex, "Can not save audit logs with transactions.");
foreach (var log in logs)
{
logger.LogError(log.ToJson());
}
}
}
}