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//
// INCL++ intra-nuclear cascade model
// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
// Davide Mancusi, CEA
// Alain Boudard, CEA
// Sylvie Leray, CEA
// Joseph Cugnon, University of Liege
//
#define INCLXX_IN_GEANT4_MODE 1

#include "globals.hh"

#ifndef G4INCLPauliBlocking__hh
#define G4INCLPauliBlocking__hh 1

#include "G4INCLIPauli.hh"
#include "G4INCLParticle.hh"
#include "G4INCLNucleus.hh"

namespace G4INCL {

  /**
   * Pauli blocking
   *
   */
  class Pauli {
  public:
    /** \brief Check Pauli blocking.
     *
     * Note: This is a "pure" function: it doesn't retain or modify
     * any state at all and thus only depends on its arguments.
     *
     * \param p list of modified and created particles
     * \param n the nucleus
     */
    static G4bool isBlocked(ParticleList const p, Nucleus const * const n);

    /** \brief Check CDPP blocking.
     *
     * Note: This is a "pure" function: it doesn't retain or modify
     * any state at all and thus only depends on its arguments.
     *
     * \param p list of created particles
     * \param n the nucleus
     */
    static G4bool isCDPPBlocked(ParticleList const p, Nucleus const * const n);

    /**
     * Get the Pauli blocker algorithm.
     */
    static IPauli const * getBlocker() { return thePauliBlocker; }

    /**
     * Get the CDPP blocker algorithm.
     */
    static IPauli const * getCDPP() { return theCDPP; }

    /**
     * Set the Pauli blocker algorithm.
     */
    static void setBlocker(IPauli const * const);

    /**
     * Set the CDPP blocker algorithm.
     */
    static void setCDPP(IPauli const * const);

    /**
     * Delete blockers
     */
    static void deleteBlockers() {
      delete thePauliBlocker;
      thePauliBlocker=NULL;
      delete theCDPP;
      theCDPP=NULL;
    }

  protected:
    Pauli() {}
    ~Pauli() {}

  private:
    static IPauli const * thePauliBlocker;
    static IPauli const * theCDPP;
  };

}

#endif