Opc.Ua.Plc.CtrlResourceState.FindChild C# (CSharp) Method

FindChild() protected method

Finds the child with the specified browse name.
protected FindChild ( ISystemContext context, Opc.Ua.QualifiedName browseName, bool createOrReplace, BaseInstanceState replacement ) : BaseInstanceState
context ISystemContext
browseName Opc.Ua.QualifiedName
createOrReplace bool
replacement Opc.Ua.BaseInstanceState
return Opc.Ua.BaseInstanceState
        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 Opc.Ua.Plc.BrowseNames.Tasks:
                {
                    if (createOrReplace)
                    {
                        if (Tasks == null)
                        {
                            if (replacement == null)
                            {
                                Tasks = new ConfigurableObjectState(this);
                            }
                            else
                            {
                                Tasks = (ConfigurableObjectState)replacement;
                            }
                        }
                    }

                    instance = Tasks;
                    break;
                }

                case Opc.Ua.Plc.BrowseNames.Programs:
                {
                    if (createOrReplace)
                    {
                        if (Programs == null)
                        {
                            if (replacement == null)
                            {
                                Programs = new ConfigurableObjectState(this);
                            }
                            else
                            {
                                Programs = (ConfigurableObjectState)replacement;
                            }
                        }
                    }

                    instance = Programs;
                    break;
                }

                case Opc.Ua.Plc.BrowseNames.GlobalVars:
                {
                    if (createOrReplace)
                    {
                        if (GlobalVars == null)
                        {
                            if (replacement == null)
                            {
                                GlobalVars = new FunctionalGroupState(this);
                            }
                            else
                            {
                                GlobalVars = (FunctionalGroupState)replacement;
                            }
                        }
                    }

                    instance = GlobalVars;
                    break;
                }

                case Opc.Ua.Plc.BrowseNames.Configuration:
                {
                    if (createOrReplace)
                    {
                        if (Configuration == null)
                        {
                            if (replacement == null)
                            {
                                Configuration = new FunctionalGroupState(this);
                            }
                            else
                            {
                                Configuration = (FunctionalGroupState)replacement;
                            }
                        }
                    }

                    instance = Configuration;
                    break;
                }

                case Opc.Ua.Plc.BrowseNames.Diagnostic:
                {
                    if (createOrReplace)
                    {
                        if (Diagnostic == null)
                        {
                            if (replacement == null)
                            {
                                Diagnostic = new FunctionalGroupState(this);
                            }
                            else
                            {
                                Diagnostic = (FunctionalGroupState)replacement;
                            }
                        }
                    }

                    instance = Diagnostic;
                    break;
                }
            }

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

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