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#ifndef FWCore_Framework_ModuleHolder_h
#define FWCore_Framework_ModuleHolder_h
// -*- C++ -*-
//
// Package: FWCore/Framework
// Class : ModuleHolder
//
/**\class edm::maker::ModuleHolder ModuleHolder.h "FWCore/Framework/interface/maker/ModuleHolder.h"
Description: Base class used to own a module for the framework
Usage:
<usage>
*/
//
// Original Author: Chris Jones
// Created: Fri, 23 Aug 2013 17:47:04 GMT
//
// system include files
#include <memory>
// user include files
#include "FWCore/Framework/interface/maker/WorkerT.h"
#include "FWCore/Framework/interface/OutputModuleCommunicatorT.h"
#include "FWCore/Framework/interface/SignallingProductRegistryFiller.h"
// forward declarations
namespace edm {
class Maker;
class ModuleDescription;
class SignallingProductRegistryFiller;
class ExceptionToActionTable;
class PreallocationConfiguration;
namespace maker {
class ModuleHolder {
public:
ModuleHolder(Maker const* iMaker) : m_maker(iMaker) {}
virtual ~ModuleHolder() {}
std::unique_ptr<Worker> makeWorker(ExceptionToActionTable const* actions) const;
virtual ModuleDescription const& moduleDescription() const = 0;
virtual void setModuleDescription(ModuleDescription const& iDesc) = 0;
virtual void preallocate(PreallocationConfiguration const&) = 0;
virtual void registerProductsAndCallbacks(SignallingProductRegistryFiller*) = 0;
virtual void replaceModuleFor(Worker*) const = 0;
virtual std::unique_ptr<OutputModuleCommunicator> createOutputModuleCommunicator() = 0;
protected:
Maker const* m_maker;
};
template <typename T>
class ModuleHolderT : public ModuleHolder {
public:
ModuleHolderT(std::shared_ptr<T> iModule, Maker const* iMaker) : ModuleHolder(iMaker), m_mod(iModule) {}
~ModuleHolderT() override {}
std::shared_ptr<T> module() const { return m_mod; }
void replaceModuleFor(Worker* iWorker) const override {
auto w = dynamic_cast<WorkerT<T>*>(iWorker);
assert(nullptr != w);
w->setModule(m_mod);
}
ModuleDescription const& moduleDescription() const override { return m_mod->moduleDescription(); }
void setModuleDescription(ModuleDescription const& iDesc) override { m_mod->setModuleDescription(iDesc); }
void preallocate(PreallocationConfiguration const& iPrealloc) override { m_mod->doPreallocate(iPrealloc); }
void registerProductsAndCallbacks(SignallingProductRegistryFiller* iReg) override {
m_mod->registerProductsAndCallbacks(module().get(), iReg);
}
std::unique_ptr<OutputModuleCommunicator> createOutputModuleCommunicator() override {
return OutputModuleCommunicatorT<T>::createIfNeeded(m_mod.get());
}
private:
std::shared_ptr<T> m_mod;
};
} // namespace maker
} // namespace edm
#endif
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