JANA/Components/JWiredFactoryGeneratorT.h

0001 // Copyright 2025, Jefferson Science Associates, LLC.
0002 // Subject to the terms in the LICENSE file found in the top-level directory.
0003 // Created by Nathan Brei
0004
0005 #pragma once
0006
0007 #include <JANA/JFactorySet.h>
0008 #include <JANA/JFactoryGenerator.h>
0009 #include <JANA/Services/JWiringService.h>
0010
0011
0012 namespace jana::components {
0013
0014 template<class FactoryT>
0015 class JWiredFactoryGeneratorT : public JFactoryGenerator {
0016
0017 public:
0018     using FactoryConfigType = typename FactoryT::ConfigType;
0019
0020     explicit JWiredFactoryGeneratorT() = default;
0021
0022     void GenerateFactories(JFactorySet *factory_set) override {
0023
0024         auto wiring_svc = GetApplication()->template GetService<jana::services::JWiringService>();
0025         const auto& shared_params = wiring_svc->GetSharedParameters();
0026
0027         const auto& type_name = JTypeInfo::demangle<FactoryT>();
0028         for (const auto* wiring : wiring_svc->GetWirings(GetPluginName(), type_name)) {
0029
0030             FactoryT *factory = new FactoryT;
0031             factory->SetApplication(GetApplication());
0032             factory->SetPluginName(this->GetPluginName());
0033             factory->SetTypeName(type_name);
0034
0035             // Set the parameter values on the factory. This way, the values in the wiring file
0036             // show up as "defaults" and the values set on the command line show up as "overrides".
0037             for (auto parameter : factory->GetAllParameters()) {
0038                 parameter->Wire(wiring->configs, shared_params);
0039             }
0040
0041             // Check that output levels in wiring file match the factory's level
0042             for (auto output_level : wiring->output_levels) {
0043                 if (output_level != wiring->level) {
0044                     throw JException("JOmniFactories are constrained to a single output level");
0045                 }
0046             }
0047
0048             factory->PreInit(wiring->prefix,
0049                              wiring->level,
0050                              wiring->input_names,
0051                              wiring->input_levels,
0052                              wiring->output_names);
0053
0054             factory_set->Add(factory);
0055         }
0056     }
0057 };
0058
0059 } // namespace jana::components
0060 using jana::components::JWiredFactoryGeneratorT;