/// <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); } }