Boiler.BoilerState.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.InputPipe:
                {
                    if (createOrReplace)
                    {
                        if (InputPipe == null)
                        {
                            if (replacement == null)
                            {
                                InputPipe = new BoilerInputPipeState(this);
                            }
                            else
                            {
                                InputPipe = (BoilerInputPipeState)replacement;
                            }
                        }
                    }

                    instance = InputPipe;
                    break;
                }

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

                    instance = Drum;
                    break;
                }

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

                    instance = OutputPipe;
                    break;
                }

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

                    instance = FlowController;
                    break;
                }

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

                    instance = LevelController;
                    break;
                }

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

                    instance = CustomController;
                    break;
                }

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

                    instance = Simulation;
                    break;
                }
            }

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

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