Boiler.BoilerInputPipeState.FindChild C# (CSharp) Method

        protected override BaseInstanceState FindChild(
            ISystemContext context,
            QualifiedName browseName,
            bool createOrReplace,
            BaseInstanceState replacement)
        {
            if (QualifiedName.IsNull(browseName))
            {
                return null;
            }

            BaseInstanceState instance = null;

            switch (browseName.Name)
            {
                case Boiler.BrowseNames.FlowTransmitter1:
                {
                    if (createOrReplace)
                    {
                        if (FlowTransmitter1 == null)
                        {
                            if (replacement == null)
                            {
                                FlowTransmitter1 = new FlowTransmitterState(this);
                            }
                            else
                            {
                                FlowTransmitter1 = (FlowTransmitterState)replacement;
                            }
                        }
                    }

                    instance = FlowTransmitter1;
                    break;
                }

                case Boiler.BrowseNames.Valve:
                {
                    if (createOrReplace)
                    {
                        if (Valve == null)
                        {
                            if (replacement == null)
                            {
                                Valve = new ValveState(this);
                            }
                            else
                            {
                                Valve = (ValveState)replacement;
                            }
                        }
                    }

                    instance = Valve;
                    break;
                }
            }

            if (instance != null)
            {
                return instance;
            }

            return base.FindChild(context, browseName, createOrReplace, replacement);
        }
        #endregion