Opc.Ua.AlarmConditionState.UpdateEffectiveState C# (CSharp) Method

        protected override void UpdateEffectiveState(ISystemContext context)
        {
            if (!this.EnabledState.Id.Value)
            {
                base.UpdateEffectiveState(context);
                return;
            }

            StringBuilder builder = new StringBuilder();

            string locale = null;

            if (this.ActiveState.Value != null)
            {
                locale = this.ActiveState.Value.Locale;

                if (this.ActiveState.Id.Value)
                {
                    if (this.ActiveState.EffectiveDisplayName != null && !LocalizedText.IsNullOrEmpty(this.ActiveState.EffectiveDisplayName.Value))
                    {
                        builder.Append(this.ActiveState.EffectiveDisplayName.Value);
                    }
                    else
                    {
                        builder.Append(this.ActiveState.Value);
                    }
                }
                else
                {
                    builder.Append(this.ActiveState.Value);
                }
            }

            LocalizedText suppressedState = null;

            if (this.SuppressedState != null)
            {
                if (this.SuppressedState.Id.Value)
                {
                    suppressedState = this.SuppressedState.Value;
                }
            }

            if (this.ShelvingState != null)
            {
                if (this.ShelvingState.CurrentState.Id.Value != ObjectIds.ShelvedStateMachineType_Unshelved)
                {
                    suppressedState = this.ShelvingState.CurrentState.Value;
                }
            }

            if (suppressedState != null)
            {
                builder.Append(" | ");
                builder.Append(suppressedState);
            }

            LocalizedText ackState = null;

            if (!this.ConfirmedState.Id.Value)
            {
                if (!this.ConfirmedState.Id.Value)
                {
                    ackState = this.ConfirmedState.Value;
                }
            }

            if (!this.AckedState.Id.Value)
            {
                if (!this.AckedState.Id.Value)
                {
                    ackState = this.AckedState.Value;
                }
            }

            if (ackState != null)
            {
                builder.Append(" | ");
                builder.Append(ackState);
            }

            LocalizedText effectiveState = new LocalizedText(locale, builder.ToString());

            SetEffectiveSubState(context, effectiveState, DateTime.MinValue);
        }