protected CalendarItemBase GetCalendarItemToUpdate(CalendarItemBase correlatedCalendarItem)
{
CalendarItemBase calendarItemBase = correlatedCalendarItem;
if (calendarItemBase == null)
{
MailboxSession calendarMailboxSession = MeetingMessage.GetCalendarMailboxSession(this);
if ((calendarItemBase = this.RecoverDeletedOccurrence()) == null)
{
ExTraceGlobals.MeetingMessageTracer.Information <GlobalObjectId>((long)this.GetHashCode(), "Storage.MeetingMessage.GetCalendarItemToUpdate: GOID={0}. Creating calendar item", this.GlobalObjectId);
StoreObjectId parentFolderId = calendarMailboxSession.SafeGetDefaultFolderId(DefaultFolderType.Calendar);
calendarItemBase = (this.IsSeriesMessage ? CalendarItemSeries.CreateSeries(calendarMailboxSession, parentFolderId, false) : CalendarItem.CreateCalendarItem(calendarMailboxSession, parentFolderId, false));
}
else
{
ExTraceGlobals.MeetingMessageTracer.Information <GlobalObjectId>((long)this.GetHashCode(), "Storage.MeetingMessage.GetCalendarItemToUpdate: GOID={0}. Recovered deleted occurrence.", this.GlobalObjectId);
}
}
return(calendarItemBase);
}