Opc.Ua.AcknowledgeableConditionState.OnConfirmCalled C# (CSharp) Method

        protected virtual ServiceResult OnConfirmCalled(
            ISystemContext context,
            MethodState method,
            NodeId objectId,
            byte[] eventId,
            LocalizedText comment)
        {
            ServiceResult error = ProcessBeforeConfirm(context, eventId, comment);

            if (ServiceResult.IsGood(error))
            {
                SetConfirmedState(context, true);
                SetComment(context, comment, GetCurrentUserId(context));
            }

            if (this.AreEventsMonitored)
            {
                // report a state change event.
                if (ServiceResult.IsGood(error))
                {
                    ReportStateChange(context, false);
                }

                // raise the audit event.
                AuditConditionConfirmEventState e = new AuditConditionConfirmEventState(null);

                TranslationInfo info = new TranslationInfo(
                    "AuditConditionConfirm",
                    "en-US",
                    "The Confirm method was called.");

                e.Initialize(
                    context,
                    this,
                    EventSeverity.Low,
                    new LocalizedText(info),
                    ServiceResult.IsGood(error),
                    DateTime.UtcNow);

                e.SourceName.Value = "Attribute/Call";

                e.MethodId = new PropertyState<NodeId>(e);
                e.MethodId.Value = method.NodeId;

                e.InputArguments = new PropertyState<object[]>(e);
                e.InputArguments.Value = new object[] { eventId, comment };

                ReportEvent(context, e);
            }

            return error;
        }

        /// <summary>
        /// Called when the Confirm method is called.
        /// </summary>
        /// <param name="context">The system context.</param>
        /// <param name="method">The method being called.</param>
        /// <param name="objectId">The id of the object.</param>
        /// <param name="eventId">The identifier for the event which is the target for the comment.</param>
        /// <param name="comment">The comment.</param>
        /// <returns>Any error.</returns>
        protected virtual ServiceResult OnConfirmCalled(
            ISystemContext context,
            MethodState method,
            NodeId objectId,
            byte[] eventId,
            LocalizedText comment)
        {
            ServiceResult error = ProcessBeforeConfirm(context, eventId, comment);

            if (ServiceResult.IsGood(error))
            {
                AcknowledgeableConditionState branch = GetAcknowledgeableBranch(eventId);

                if (branch != null)
                {
                    branch.OnConfirmCalled(context, method, objectId, eventId, comment);
                    RemoveBranchEvent(eventId);
                }
                else
                {
                    SetConfirmedState(context, true);
                }

                // If this is a branch, the comment goes to both the branch and the original event
                if (CanSetComment(comment))
                {
                    SetComment(context, comment, GetCurrentUserId(context));
                }

                UpdateRetainState();
            }

            if (EventsMonitored())
            {
                // report a state change event.
                if (ServiceResult.IsGood(error))
                {
                    ReportStateChange(context, false);
                }

                // raise the audit event.
                AuditConditionConfirmEventState e = new AuditConditionConfirmEventState(null);

                TranslationInfo info = new TranslationInfo(
                    "AuditConditionConfirm",
                    "en-US",
                    "The Confirm method was called.");

                e.Initialize(
                    context,
                    this,
                    EventSeverity.Low,
                    new LocalizedText(info),
                    ServiceResult.IsGood(error),
                    DateTime.UtcNow);

                e.SetChildValue(context, BrowseNames.SourceNode, NodeId, false);
                e.SetChildValue(context, BrowseNames.SourceName, "Method/Confirm", false);

                e.SetChildValue(context, BrowseNames.MethodId, method.NodeId, false);
                e.SetChildValue(context, BrowseNames.InputArguments, new object[] { eventId, comment }, false);

                e.SetChildValue(context, BrowseNames.ConditionEventId, eventId, false);
                e.SetChildValue(context, BrowseNames.Comment, comment, false);

                ReportEvent(context, e);
            }

            return(error);
        }