ScalarBranch.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
#ifndef MUONTESTER_MUONSCALARBRANCH_H
#define MUONTESTER_MUONSCALARBRANCH_H
 
#include <MuonTesterTree/MuonTesterBranch.h>
namespace MuonVal {
class MuonTesterTree;
template <class T> class ScalarBranch : public MuonTesterBranch, virtual public IMuonTesterBranch {
public:
    ScalarBranch(TTree* tree, const std::string& name);
    ScalarBranch(MuonTesterTree& tree, const std::string& name);

    ScalarBranch(TTree* tree, const std::string& name, const T& default_value);
    ScalarBranch(MuonTesterTree& tree, const std::string& name, const T& default_value);
 
    virtual ~ScalarBranch() = default;
 
    bool fill(const EventContext& ctx) override;
    bool init() override;

    const T& operator=(const T& value);
    const T& setValue(const T& value);
 
    bool isUpdated() const;
    void setDefault(const T& def);
    void disableFailing();
 
    const T& getDefault() const;
    const T& getVariable() const;
    bool mustBeUpdated() const;
 
private:
    T m_variable{};
    T m_default{};
    bool m_failIfNotUpdated{true};
    bool m_updated{false};
};
 
template <typename T> std::ostream& operator<<(std::ostream& out, const ScalarBranch<T>& B);
}
#include <MuonTesterTree/ScalarBranch.icc>
#endif