include/Geant4/G4InteractionCase.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 //
0027 // 20100518  M. Kelsey -- Why use std::pair<> at all?  Never exported; just
0028 //      store pointers.  Add clear() function.  Move code from
0029 //      Colliders' "bulletTargetSetter()" to set().
0030
0031 #ifndef G4INTERACTION_CASE_HH
0032 #define G4INTERACTION_CASE_HH
0033
0034 #include "globals.hh"
0035
0036 class G4InuclParticle;
0037
0038
0039 class G4InteractionCase {
0040 public:
0041   G4InteractionCase() : bullet(0), target(0), inter_case(0) {}
0042
0043   G4InteractionCase(G4InuclParticle* part1, G4InuclParticle* part2) {
0044     set(part1, part2);
0045   }
0046
0047   void set(G4InuclParticle* part1, G4InuclParticle* part2);
0048
0049   void clear() {
0050     bullet = target = 0;
0051     inter_case = 0;
0052   }
0053
0054   G4InuclParticle* getBullet() const { return bullet; }
0055   G4InuclParticle* getTarget() const { return target; }
0056
0057   G4bool valid() const      { return inter_case != 0; }
0058
0059   G4bool twoNuclei() const  { return inter_case == -2; }
0060   G4bool hadNucleus() const { return inter_case == -1; }
0061   G4int  hadrons() const    { return inter_case; }  // "rtype" or "is" code
0062
0063   // For compatibility with G4IntraNucleiCascader code
0064   G4int  code() const { return ((inter_case<0) ? -inter_case : 0); }
0065
0066 private:
0067   G4InuclParticle* bullet;
0068   G4InuclParticle* target;
0069
0070   G4int inter_case;
0071 };
0072
0073 #endif // G4INTERACTION_CASE_HH
0074
0075