/// <summary>
/// Selects the attributes for the category.
/// </summary>
public bool SelectAttributes(uint categoryId, uint[] attributeIds)
{
// validate category.
if (m_mapper.GetCategory(categoryId) == null)
{
return(false);
}
// validate attributes.
if (attributeIds != null)
{
for (int ii = 0; ii < attributeIds.Length; ii++)
{
if (m_mapper.GetAttribute(attributeIds[ii]) == null)
{
return(false);
}
}
}
// update list.
if (RequestedAttributeIds == null)
{
RequestedAttributeIds = new Dictionary <uint, uint[]>();
}
if (attributeIds == null || attributeIds.Length == 0)
{
RequestedAttributeIds.Remove(categoryId);
}
else
{
RequestedAttributeIds[categoryId] = attributeIds;
}
UpdatedSelectAttributes();
return(true);
}
/// <summary>
/// Translates an event notification in an AE event.
/// </summary>
public AeEvent TranslateNotification(Session session, EventFieldList e)
{
AeEvent e2 = new AeEvent();
// extract the required event fields.
int index = 0;
e2.EventId = ExtractField <byte[]>(e, index++, null);
e2.EventType = ExtractField <NodeId>(e, index++, null);
e2.SourceName = ExtractField <string>(e, index++, null);
e2.Time = ExtractField <DateTime>(e, index++, DateTime.MinValue);
e2.Message = ExtractField <LocalizedText>(e, index++, null);
e2.Severity = ExtractField <ushort>(e, index++, 0);
if ((EventTypes & OpcRcw.Ae.Constants.TRACKING_EVENT) != 0)
{
e2.AuditUserId = ExtractField <string>(e, index++, null);
}
if ((EventTypes & OpcRcw.Ae.Constants.CONDITION_EVENT) != 0)
{
e2.BranchId = ExtractField <byte[]>(e, index++, null);
e2.ConditionName = ExtractField <string>(e, index++, null);
e2.Quality = ExtractField <StatusCode>(e, index++, StatusCodes.Good);
e2.Comment = ExtractField <LocalizedText>(e, index++, null);
e2.CommentUserId = ExtractField <string>(e, index++, null);
e2.EnabledState = ExtractField <bool>(e, index++, false);
e2.AckedState = ExtractField <bool>(e, index++, false);
e2.ActiveState = ExtractField <bool>(e, index++, false);
e2.ActiveTime = ExtractField <DateTime>(e, index++, DateTime.MinValue);
e2.LimitState = ExtractField <LocalizedText>(e, index++, null);
e2.HighHighState = ExtractField <LocalizedText>(e, index++, null);
e2.HighState = ExtractField <LocalizedText>(e, index++, null);
e2.LowState = ExtractField <LocalizedText>(e, index++, null);
e2.LowLowState = ExtractField <LocalizedText>(e, index++, null);
// condition id is always last.
e2.ConditionId = ExtractField <NodeId>(e, e.EventFields.Count - 1, null);
}
// find the category for the event.
e2.Category = FindCategory(session, e2);
// extract any additional attributes.
if (RequestedAttributeIds != null)
{
uint[] attributeIds = null;
if (!RequestedAttributeIds.TryGetValue(e2.Category.LocalId, out attributeIds))
{
return(e2);
}
// nothing more to do.
if (attributeIds == null || attributeIds.Length == 0)
{
return(e2);
}
// search for the requested attributes.
object[] values = new object[attributeIds.Length];
for (int ii = 0; ii < attributeIds.Length; ii++)
{
// look for matching attribute.
for (int jj = 0; jj < SelectedAttributes.Count; jj++)
{
if (jj >= e.EventFields.Count)
{
break;
}
AeEventAttribute attribute = SelectedAttributes[jj];
if (attribute == null || attribute.LocalId != attributeIds[ii])
{
continue;
}
values[ii] = GetLocalAttributeValue(e.EventFields[jj], attribute);
}
}
e2.AttributeValues = values;
}
return(e2);
}
