private void OkBTN_Click(object sender, EventArgs e)
{
try
{
EventFilter filter = new EventFilter();
filter.SelectClauses.AddRange(SelectClauseCTRL.GetSelectClauses());
filter.WhereClause = ContentFilterCTRL.GetFilter();
EventFilter.Result result = filter.Validate(new FilterContext(m_session.NamespaceUris, m_session.TypeTree));
if (ServiceResult.IsBad(result.Status))
{
throw ServiceResultException.Create(StatusCodes.BadEventFilterInvalid, result.GetLongString());
}
m_filter = filter;
DialogResult = DialogResult.OK;
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
/// <summary>
/// Updates or inserts events.
/// </summary>
protected override void HistoryUpdateEvents(
ServerSystemContext context,
IList <UpdateEventDetails> nodesToUpdate,
IList <HistoryUpdateResult> results,
IList <ServiceResult> errors,
List <NodeHandle> nodesToProcess,
IDictionary <NodeId, NodeState> cache)
{
for (int ii = 0; ii < nodesToProcess.Count; ii++)
{
NodeHandle handle = nodesToProcess[ii];
UpdateEventDetails nodeToUpdate = nodesToUpdate[handle.Index];
HistoryUpdateResult result = results[handle.Index];
// validate the event filter.
FilterContext filterContext = new FilterContext(context.NamespaceUris, context.TypeTable, context);
EventFilter.Result filterResult = nodeToUpdate.Filter.Validate(filterContext);
if (ServiceResult.IsBad(filterResult.Status))
{
errors[handle.Index] = filterResult.Status;
continue;
}
// all done.
errors[handle.Index] = StatusCodes.BadNotImplemented;
}
}
