JetNegEnergyTool.hh
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JetNegEnergyTool.hh
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	#ifndef _JETNEGENERGYTOOL_HH_
	#define _JETNEGENERGYTOOL_HH_
	/// ******************************************************
	/// JetNegEnergyTool. A JetTool to manage jet constituent with e<0

	// ToDo next :
	// Use moment to store amounts of negative energy detected


	#include "JetTool.hh"
	#include <set>
	namespace SpartyJet {

	class JetNegEnergyTool : public JetTool {
	public :
	JetNegEnergyTool(std::string name) : JetTool(name), m_acquiring(true){};

	/// execute() call either acquisition() or correction() depending on m_acquiring switch
	virtual void execute(JetCollection &inputJets);

	protected:
	typedef std::set<Jet *> jet_list_t;

	/// acquisition is supposed to run before jet finding
	/// It keeps tracks of all jets constituent having negative energy, changing
	/// the energy sign so jet finding can correctly handle this constituent
	void acquisition(JetCollection &inputJets);

	/// correction is supposed to run after jet finding
	/// It loop on constituents of each jets, checking if a constituent has been kept as negative.
	/// if so it substracts the amount of energy to the parent jet
	void correction(JetCollection &inputJets);

	jet_list_t m_neg_constits;
	bool m_acquiring;
	};

	} // namespace SpartyJet
	#endif