Precursor.h

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//                   OpenMS -- Open-Source Mass Spectrometry
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// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
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// $Maintainer: Mathias Walzer $
// $Authors: Marc Sturm, Mathias Walzer $
// --------------------------------------------------------------------------

#ifndef OPENMS_METADATA_PRECURSOR_H
#define OPENMS_METADATA_PRECURSOR_H

#include <OpenMS/KERNEL/Peak1D.h>
#include <OpenMS/METADATA/CVTermList.h>
#include <OpenMS/CONCEPT/Constants.h>

#include <set>

namespace OpenMS
{
  class OPENMS_DLLAPI Precursor :
    public CVTermList,
    public Peak1D
  {

public:

    enum ActivationMethod
    {
      CID,                      
      PSD,                      
      PD,                       
      SID,                      
      BIRD,                             
      ECD,                              
      IMD,                              
      SORI,                             
      HCID,                             
      LCID,                             
      PHD,                              
      ETD,                              
      PQD,                              
      SIZE_OF_ACTIVATIONMETHOD
    };
    static const std::string NamesOfActivationMethod[SIZE_OF_ACTIVATIONMETHOD];

    Precursor();
    Precursor(const Precursor & source);
    virtual ~Precursor();

    Precursor & operator=(const Precursor & source);

    bool operator==(const Precursor & rhs) const;
    bool operator!=(const Precursor & rhs) const;

    const std::set<ActivationMethod> & getActivationMethods() const;
    std::set<ActivationMethod> & getActivationMethods();
    void setActivationMethods(const std::set<ActivationMethod> & activation_methods);

    DoubleReal getActivationEnergy() const;
    void setActivationEnergy(DoubleReal activation_energy);

    DoubleReal getIsolationWindowLowerOffset() const;
    void setIsolationWindowLowerOffset(DoubleReal bound);

    DoubleReal getIsolationWindowUpperOffset() const;
    void setIsolationWindowUpperOffset(DoubleReal bound);

    Int getCharge() const;
    void setCharge(Int charge);

    std::vector<Int> & getPossibleChargeStates();
    const std::vector<Int> & getPossibleChargeStates() const;
    void setPossibleChargeStates(const std::vector<Int> & possible_charge_states);

    inline DoubleReal getUnchargedMass() const
    {
      int c = charge_;
      (c == 0) ? c = 2 : c = charge_;
      return getMZ() * c - c * Constants::PROTON_MASS_U;
    }

protected:

    std::set<ActivationMethod> activation_methods_;
    DoubleReal activation_energy_;
    DoubleReal window_low_;
    DoubleReal window_up_;
    Int charge_;
    std::vector<Int> possible_charge_states_;
  };
} // namespace OpenMS

#endif // OPENMS_METADATA_PRECURSOR_H