StructureBuilderReference.hh

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#pragma once
#ifndef STRUCTUREBUILDER_HPP
#define STRUCTUREBUILDER_HPP
//
// Created by Douglas S. Leonard on 6/8/25.  All rights Reserved
// See related files for license, if any is provided.
//
// Assemblies for treating a collection of builders as a single unit.
//#include "StructureBuilder.hh"
#include "Linkable.hh"
#include "i_shared_ptr.hh"
#include <stdexcept>
#include <StructureBuilder.hh>
#include <VolumeBuilderTypes.hh>
 
 
namespace DLG4::VolumeBuilders {
    template <typename T>
    class VolumeBuilder;
    //    class StructureBuilder;
 
 
    class StructureBuilderReference final: public StructureBuilder<StructureBuilderReference> {
        template <typename T>
        friend class VolumeBuilder;
        template <typename T>
        friend class StructureBuilder;
 
        template <typename T>
        friend class i_shared_ptr;
 
    private:
        friend class i_shared_ptr<StructureBuilderReference>;
 
        template <typename T>
        StructureBuilderReference(i_shared_ptr<T> other, // NOLINT(*-explicit-constructor)
            std::enable_if_t<std::is_base_of_v<IStructureBuilder, T>,
                int>  = 0) : StructureBuilder<StructureBuilderReference>(other, SET_LINK) {
        }
 
        G4VSolid *SolidConstructor(const G4String &name) override {
            throw std::runtime_error(
                "Error in StructureBuilderReference::SolidConstructor(const G4String &name) "
                + this->builder_configs_->name + " \n" +
                "SolidConstructor(const G4String &name) is not implemented.");
        }
 
        StructureBuilderReference(const StructureBuilderReference &other) = default;
 
    protected:
        // Clone impl, this returns a type-erased ISolidPtr
        // But in reality must bee a BuilderPtr here to be downcast by Clone().
        SharedPtr<IStructureBuilder> clone_impl() const override;
 
        StructureView ToStructureView() const override;
 
    public:
        StructureBuilderReference &operator=(const StructureBuilderReference &other) = delete;
    };
}
 
 
#endif