/// <summary>
/// Updates the condition event.
/// </summary>
private void UpdateAlarm(AlarmConditionState instance, EventType eventType, ONEVENTSTRUCT e)
{
instance.NodeId = AeParsedNodeId.ConstructIdForCondition(e.szSource, e.dwEventCategory, e.szConditionName, m_namespaceIndex);
// find the condition class.
NodeId classId = AeParsedNodeId.Construct(e.dwEventType, e.dwEventCategory, null, m_namespaceIndex);
AeEventTypeState conditionClassType = m_cache.FindType(m_defaultContext, classId);
if (conditionClassType != null)
{
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ConditionClassId, classId, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ConditionClassName, conditionClassType.EventType.Description, false);
}
else
{
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ConditionClassId, Opc.Ua.ObjectTypeIds.BaseConditionClassType, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ConditionClassName, "BaseConditionClass", false);
}
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ConditionName, e.szConditionName, false); ;
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ClientUserId, e.szActorID, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Quality, ComUtils.GetQualityCode(e.wQuality), false);
bool acknowledged = (e.wNewState & Constants.CONDITION_ACKED) != 0;
bool active = (e.wNewState & Constants.CONDITION_ACTIVE) != 0;
bool enabled = (e.wNewState & Constants.CONDITION_ENABLED) != 0;
bool retain = enabled & (active || !acknowledged);
LocalizedText effectiveDisplayName = ConditionStateNames.Inactive;
if (!enabled)
{
effectiveDisplayName = ConditionStateNames.Disabled;
}
else if (!acknowledged)
{
effectiveDisplayName = ConditionStateNames.Unacknowledged;
}
else if (active)
{
effectiveDisplayName = ConditionStateNames.Active;
}
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Retain, true, false);
instance.EnabledState = new TwoStateVariableState(instance);
instance.EnabledState.BrowseName = Opc.Ua.BrowseNames.EnabledState;
instance.EnabledState.Value = new LocalizedText((enabled) ? ConditionStateNames.Enabled : ConditionStateNames.Disabled);
instance.EnabledState.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Id, enabled, false);
instance.EnabledState.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.EffectiveDisplayName, effectiveDisplayName, false);
instance.AckedState = new TwoStateVariableState(instance);
instance.AckedState.BrowseName = Opc.Ua.BrowseNames.AckedState;
instance.AckedState.Value = new LocalizedText((acknowledged) ? ConditionStateNames.Acknowledged : ConditionStateNames.Unacknowledged);
instance.AckedState.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Id, acknowledged, false);
instance.ActiveState = new TwoStateVariableState(instance);
instance.ActiveState.BrowseName = Opc.Ua.BrowseNames.ActiveState;
instance.ActiveState.Value = new LocalizedText((active) ? ConditionStateNames.Active : ConditionStateNames.Inactive);
instance.ActiveState.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Id, active, false);
instance.ActiveState.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.TransitionTime, ComUtils.GetDateTime(e.ftActiveTime), false);
if (!String.IsNullOrEmpty(e.szSubconditionName))
{
instance.ActiveState.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.EffectiveDisplayName, e.szSubconditionName, false);
}
}