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& type_name = JTypeInfo::demangle<FactoryT>();
0026         for (const auto* wiring : wiring_svc->GetWirings(GetPluginName(), type_name)) {
0027
0028             FactoryT *factory = new FactoryT;
0029             factory->SetApplication(GetApplication());
0030             factory->SetPluginName(this->GetPluginName());
0031             factory->SetTypeName(type_name);
0032
0033             // Set the parameter values on the factory. This way, the values in the wiring file
0034             // show up as "defaults" and the values set on the command line show up as "overrides".
0035             factory->ConfigureAllParameters(wiring->configs);
0036
0037             // Check that output levels in wiring file match the factory's level
0038             for (auto output_level : wiring->output_levels) {
0039                 if (output_level != wiring->level) {
0040                     throw JException("JOmniFactories are constrained to a single output level");
0041                 }
0042             }
0043
0044             factory->PreInit(wiring->prefix,
0045                              wiring->level,
0046                              wiring->input_names,
0047                              wiring->input_levels,
0048                              wiring->output_names);
0049
0050             factory_set->Add(factory);
0051         }
0052     }
0053 };
0054
0055 } // namespace jana::components
0056 using jana::components::JWiredFactoryGeneratorT;