G4ParticleTable.cc

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//
// G4ParticleTable class implementation
//
// Authors: G.Cosmo, 2 December 1995 - Design, based on object model
//          H.Kurashige, 27 June 1996 - First implementation
// History:
// - 14 Nov 1997, H.Kurashige - Added messenger
// - 24 Sep 1998, H.Kurashige - Added dictionary for encoding
// - 28 Oct 1999, H.Kurashige - Migration to STL maps
// - 15 Sep 2017, K.L.Genser - Added support for MuonicAtom
// --------------------------------------------------------------------
 
#include "globals.hh"
#include "G4ios.hh"
#include "G4ParticleTable.hh"
#include "G4UImessenger.hh"
#include "G4ParticleMessenger.hh"
#include "G4IonTable.hh"
#include "G4StateManager.hh"
 
// These fields should be thread local or thread private. For a singleton
// class, we can change any member field as static without any problem
// because there is only one instance. Then we are allowed to add 
// "G4ThreadLocal"
//
G4ThreadLocal G4ParticleTable::G4PTblDictionary*
              G4ParticleTable::fDictionary = nullptr;
G4ThreadLocal G4ParticleTable::G4PTblDicIterator*
              G4ParticleTable::fIterator = nullptr;
G4ThreadLocal G4ParticleTable::G4PTblEncodingDictionary*
              G4ParticleTable::fEncodingDictionary = nullptr;
 
// These shadow pointers are used by each worker thread to copy the content
// from the master thread
//
G4ParticleTable::G4PTblDictionary*
             G4ParticleTable::fDictionaryShadow = nullptr;
G4ParticleTable::G4PTblDicIterator*
             G4ParticleTable::fIteratorShadow = nullptr;
G4ParticleTable::G4PTblEncodingDictionary*
             G4ParticleTable::fEncodingDictionaryShadow = nullptr;
 
// Static class variable: pointer to single instance of class
//
G4ParticleTable* G4ParticleTable::fgParticleTable = nullptr;
 
#ifdef G4MULTITHREADED
// Lock for particle table accesses.
//
G4Mutex& G4ParticleTable::particleTableMutex()
{
  static G4Mutex _instance = G4MUTEX_INITIALIZER;
  return _instance;
}
G4int& G4ParticleTable::lockCount()
{
  static G4int _instance = 0;
  return _instance;
}
#endif 
 
// --------------------------------------------------------------------
G4ParticleTable* G4ParticleTable::GetParticleTable()
{
  if ( fgParticleTable == nullptr )
  {
    static G4ParticleTable theParticleTable;
    fgParticleTable = &theParticleTable;
  }
 
  // Here we initialize all thread private data members.
  //
  if (fDictionary == nullptr) fgParticleTable->WorkerG4ParticleTable();
 
  return fgParticleTable;
}
 
// --------------------------------------------------------------------
G4ParticleTable::G4ParticleTable()
{
  fDictionary = new G4PTblDictionary();
 
  // Set up the shadow pointer used by worker threads
  //
  if (fDictionaryShadow == nullptr)
  {
    fDictionaryShadow = fDictionary;
  }
 
  fIterator = new G4PTblDicIterator( *fDictionary );
 
  // Set up the shadow pointer used by worker threads
  //
  if (fIteratorShadow == nullptr)
  {
    fIteratorShadow = fIterator;
  }
 
  fEncodingDictionary = new G4PTblEncodingDictionary();
  // Set up the shadow pointer used by worker threads
  //
  if (fEncodingDictionaryShadow == nullptr)
  {
    fEncodingDictionaryShadow = fEncodingDictionary;
  }
 
  // Ion Table
  //
  fIonTable = new G4IonTable();
  fParticleMessenger = nullptr;
}
 
// --------------------------------------------------------------------
// This method is similar to the constructor. It is used by each worker
// thread to achieve the partial effect as that of the master thread.
// Here we initialize all thread private data members
//
void G4ParticleTable::WorkerG4ParticleTable()
{
  // The iterator for the shadow particle table is not sharable.
  //
#ifdef G4MULTITHREADED
  G4MUTEXLOCK(&G4ParticleTable::particleTableMutex());
  G4ParticleTable::lockCount()++;
#endif
  if(fDictionary == nullptr)
  { 
    fDictionary = new G4PTblDictionary();   
  }
  else
  { 
    fDictionary->clear(); 
  }
 
  if(fEncodingDictionary == nullptr)
  {
    fEncodingDictionary = new G4PTblEncodingDictionary(); 
  }
  else
  { 
    fEncodingDictionary->clear(); 
  }
 
  fIteratorShadow->reset(false);
  while( (*fIteratorShadow)() )  // Loop checking, 09.08.2015, K.Kurashige
  {
    G4ParticleDefinition* particle = fIteratorShadow->value();
    fDictionary->insert( std::pair<G4String,
                         G4ParticleDefinition*>(GetKey(particle), particle) );
    G4int code = particle->GetPDGEncoding();
    if (code !=0 )
    {
      fEncodingDictionary->insert( std::pair<G4int,
                                   G4ParticleDefinition*>(code ,particle) );
    }
  }       
  fIterator = new G4PTblDicIterator( *fDictionary );
 
#ifdef G4MULTITHREADED
  G4MUTEXUNLOCK(&G4ParticleTable::particleTableMutex());
#endif
 
  fIonTable->WorkerG4IonTable();
}
 
// --------------------------------------------------------------------
G4ParticleTable::~G4ParticleTable()
{
  readyToUse = false;
   
  // remove all items from G4ParticleTable
  RemoveAllParticles();
 
  // delete Ion Table 
  if (fIonTable != nullptr) delete fIonTable;
  fIonTable = nullptr;
 
  // delete dictionary for encoding
  if (fEncodingDictionary != nullptr)
  {
    fEncodingDictionary->clear();
    delete fEncodingDictionary;
    fEncodingDictionary = nullptr;
  }
 
  if( fDictionary != nullptr)
  {
    if (fIterator != nullptr ) delete fIterator;
    fIterator = nullptr;
 
    fDictionary->clear();
    delete fDictionary;
    fDictionary =nullptr;
  }
 
  if ( fParticleMessenger != nullptr) delete fParticleMessenger;  
  fParticleMessenger = nullptr;
 
  fgParticleTable = nullptr;
 
  G4ParticleDefinition::Clean();  // Delete sub-instance static data
}
 
// --------------------------------------------------------------------
void G4ParticleTable::DestroyWorkerG4ParticleTable()
{
  // delete Ion Table in worker thread
  if (fIonTable != nullptr) fIonTable->DestroyWorkerG4IonTable();
 
  // delete dictionary for encoding
  if (fEncodingDictionary != nullptr)
  {
    fEncodingDictionary->clear();
    delete fEncodingDictionary;
    fEncodingDictionary = nullptr;
  }
 
  if( fDictionary != nullptr)
  {
    if (fIterator != nullptr ) delete fIterator;
    fIterator = nullptr;
 
    fDictionary->clear();
    delete fDictionary;
    fDictionary = nullptr;
  }
}
 
// --------------------------------------------------------------------
G4UImessenger* G4ParticleTable::CreateMessenger()
{
  if (fParticleMessenger == nullptr)
  {
    // UI messenger
    fParticleMessenger = new G4ParticleMessenger(this);
  }
  return fParticleMessenger;
}
 
// --------------------------------------------------------------------
void G4ParticleTable::DeleteAllParticles()
{
  //set readyToUse false  
  readyToUse = false;
 
#ifdef G4VERBOSE
  if (verboseLevel>1)
  {
    G4cout << "G4ParticleTable::DeleteAllParticles() " << G4endl;
  }
#endif
 
  // delete all particles 
  G4PTblDicIterator* piter = fIterator; 
  piter->reset(false);
  while( (*piter)() )  // Loop checking, 09.08.2015, K.Kurashige
  {
#ifdef G4VERBOSE
    if (verboseLevel>2)
    {
      G4cout << "Delete " << (piter->value())->GetParticleName() 
         << " " << (piter->value()) << G4endl;
    }
#endif
    delete (piter->value());
  }
  RemoveAllParticles();
}
 
// --------------------------------------------------------------------
void G4ParticleTable::RemoveAllParticles()
{
  if (readyToUse)
  {
    G4Exception("G4ParticleTable::RemoveAllParticle()",
        "PART115", JustWarning,
        "No effects because readyToUse is true.");    
    return;
  }
  
#ifdef G4VERBOSE
  if (verboseLevel>1)
  {
    G4cout << "G4ParticleTable::RemoveAllParticles() " << G4endl;
  }
#endif
 
  // remove all contents in Ion Table
  if (fIonTable != nullptr)
  {
    fIonTable->clear();
  }
 
  // clear dictionary
  if (fDictionary != nullptr)
  {
    fDictionary->clear();
  }
}
 
// --------------------------------------------------------------------
G4ParticleDefinition* G4ParticleTable::Insert(G4ParticleDefinition* particle)
{
  // check particle name
  if ((particle == nullptr) || (GetKey(particle).isNull()))
  {
    G4Exception("G4ParticleTable::Insert()",
        "PART121", FatalException,
        "Particle witnout name can not be registered.");    
#ifdef G4VERBOSE
    if (verboseLevel>1)
    {
      G4cout << "The particle[Addr:" << particle << "] has no name "<< G4endl;
    }
#endif
    return nullptr;
  }
  else
  {  
    if (contains(particle))
    {  
#ifdef G4VERBOSE
      if (verboseLevel>2)
      {
        FindParticle(particle) -> DumpTable();
      }
#endif
      G4String msg = "The particle ";
      msg += particle->GetParticleName();
      msg += "  has already been registered in the Particle Table ";
      G4Exception("G4ParticleTable::Insert()", "PART122", FatalException, msg); 
 
      return particle;
    }
    else
    {
      G4PTblDictionary* pdic =  fDictionaryShadow;
 
      // insert into Dictionary
      pdic->insert( std::pair<G4String,
                    G4ParticleDefinition*>(GetKey(particle), particle) );
#ifdef G4MULTITHREADED
      if(G4Threading::IsWorkerThread())
      {
        fDictionary->insert( std::pair<G4String,
                       G4ParticleDefinition*>(GetKey(particle), particle) );
      }
#endif
 
      G4PTblEncodingDictionary* pedic =  fEncodingDictionaryShadow;  
 
      // insert into EncodingDictionary
      G4int code = particle->GetPDGEncoding();
      if (code != 0 )
      {
        pedic->insert( std::pair<G4int,
                       G4ParticleDefinition*>(code ,particle) );
#ifdef G4MULTITHREADED
        if(G4Threading::IsWorkerThread())
        {
          fEncodingDictionary->insert( std::pair<G4int,
                                       G4ParticleDefinition*>(code ,particle) );
        }
#endif
      }       
 
      // insert it in IonTable if "nucleus"
      if (fIonTable->IsIon(particle) )
      {
        fIonTable->Insert(particle);
      }
 
      // set Verbose Level same as ParticleTable
      particle->SetVerboseLevel(verboseLevel);
 
#ifdef G4VERBOSE
      if (verboseLevel>3)
      {
        G4cout << "The particle "<< particle->GetParticleName() 
           << " is inserted in the ParticleTable " << G4endl;
      }
#endif
      return particle;
    }
  }
}
 
// --------------------------------------------------------------------
G4ParticleDefinition* G4ParticleTable::Remove(G4ParticleDefinition* particle)
{
  if( particle == nullptr) return nullptr;
#ifdef G4MULTITHREADED
  if(G4Threading::IsWorkerThread())
  {
    G4ExceptionDescription ed;
    ed << "Request of removing " << particle->GetParticleName()
       << " is ignored as it is invoked from a worker thread.";
    G4Exception("G4ParticleTable::Remove()", "PART10117", JustWarning, ed);
    return nullptr;
  }
#endif
  if (readyToUse)
  {
    G4StateManager* pStateManager = G4StateManager::GetStateManager();
    G4ApplicationState currentState = pStateManager->GetCurrentState();
    if (currentState != G4State_PreInit)
    {
      G4String msg = "Request of removing ";
      msg += particle->GetParticleName();  
      msg += " has No effects other than Pre_Init";
      G4Exception("G4ParticleTable::Remove()", "PART117", JustWarning, msg);
      return nullptr;
    }
    else
    {
#ifdef G4VERBOSE
      if (verboseLevel>0)
      {
    G4cout << particle->GetParticleName()
           << " will be removed from the ParticleTable " << G4endl;
      }
#endif
    }
  }
  
  G4PTblDictionary::iterator it =  fDictionaryShadow->find(GetKey(particle));
  if (it != fDictionaryShadow->end())
  {
    fDictionaryShadow->erase(it);
    // remove from EncodingDictionary
    G4int code = particle->GetPDGEncoding();
    if (code != 0 )
    {
      fEncodingDictionaryShadow->erase(fEncodingDictionaryShadow->find(code)); 
    }
  }
  else
  {
    return nullptr;
  }
 
  // remove it from IonTable if "nucleus"
  if (fIonTable->IsIon(particle) )
  {
    fIonTable->Remove(particle);
  }
  
#ifdef G4VERBOSE
  if (verboseLevel>3)
  {
    G4cout << "The particle "<< particle->GetParticleName()
           << " is removed from the ParticleTable " << G4endl;
  }
#endif
 
  return particle;
}
 
// --------------------------------------------------------------------
G4ParticleDefinition* G4ParticleTable::GetParticle(G4int index) const
{
  CheckReadiness();
  if ( (index >=0) && (index < entries()) )
  {
    G4PTblDicIterator* piter = fIterator; 
    piter -> reset(false);
    G4int counter = 0;
    while( (*piter)() )  // Loop checking, 09.08.2015, K.Kurashige
    {
      if ( counter == index ) return piter->value();
      ++counter;
    }
  } 
#ifdef G4VERBOSE
  if (verboseLevel>1)
  {
    G4cout << " G4ParticleTable::GetParticle"
           << " invalid index (=" << index << ")" << G4endl;
  }
#endif
  return nullptr;
}
 
// --------------------------------------------------------------------
const G4String& G4ParticleTable::GetParticleName(G4int index) const
{
  G4ParticleDefinition* aParticle =GetParticle(index);
  if (aParticle != nullptr)
  {
    return aParticle->GetParticleName();
  }
  else
  {
    return noName;
  }
}
 
// --------------------------------------------------------------------
G4ParticleDefinition*
G4ParticleTable::FindParticle(const G4String& particle_name) 
{
  G4PTblDictionary::iterator it = fDictionary->find(particle_name);
  if (it != fDictionary->end())
  {
    return (*it).second;
  }
  else
  {
#ifdef G4MULTITHREADED
    G4ParticleDefinition* ptcl = nullptr;
    if(G4Threading::IsWorkerThread())
    {
      G4MUTEXLOCK(&G4ParticleTable::particleTableMutex());
      G4PTblDictionary::iterator its = fDictionaryShadow->find(particle_name);
      if(its != fDictionaryShadow->end())
      {
        fDictionary->insert(*its);
        ptcl = (*its).second;
        G4int code = ptcl->GetPDGEncoding();
        if(code!=0) fEncodingDictionary->insert(std::pair<G4int,
                                           G4ParticleDefinition*>(code,ptcl) );
      }
      G4MUTEXUNLOCK(&G4ParticleTable::particleTableMutex());
    }
    return ptcl;
#else
    return nullptr;
#endif
  }
}
 
// --------------------------------------------------------------------
void G4ParticleTable::SelectParticle(const G4String& name)
{
  if(name != selectedName)
  {
    const G4ParticleDefinition* part = FindParticle(name);
    if(part)
    {
#ifdef G4MULTITHREADED
      G4MUTEXLOCK(&G4ParticleTable::particleTableMutex());
#endif
      selectedParticle = part;
      selectedName = name;
#ifdef G4MULTITHREADED
      G4MUTEXUNLOCK(&G4ParticleTable::particleTableMutex());
#endif
    }
  }
}
 
// --------------------------------------------------------------------
G4ParticleDefinition*
G4ParticleTable::FindParticle(const G4ParticleDefinition* particle )
{
  CheckReadiness();
  G4String key = GetKey(particle);
  return FindParticle(key);
}
 
// --------------------------------------------------------------------
G4ParticleDefinition* G4ParticleTable::FindParticle(G4int aPDGEncoding ) 
{
  CheckReadiness();
  // check aPDGEncoding is valid
  if (aPDGEncoding == 0)
  { 
#ifdef G4VERBOSE
    if (verboseLevel>1)
    {
      G4cout << "PDGEncoding  [" <<  aPDGEncoding << "] is not valid "
             << G4endl;
    }
#endif
      return nullptr;
    }
    
    G4PTblEncodingDictionary* pedic = fEncodingDictionary;
    G4ParticleDefinition* particle = nullptr;  
 
    G4PTblEncodingDictionary::iterator it =  pedic->find(aPDGEncoding );
    if (it != pedic->end())
    {
      particle = (*it).second;
    }
 
#ifdef G4MULTITHREADED
    if(particle == nullptr && G4Threading::IsWorkerThread())
    {
      G4MUTEXLOCK(&G4ParticleTable::particleTableMutex());
      G4PTblEncodingDictionary::iterator its
        = fEncodingDictionaryShadow->find(aPDGEncoding);
      if(its!=fEncodingDictionaryShadow->end())
      {
        particle = (*its).second;
        fEncodingDictionary->insert(*its);
        G4String key = GetKey(particle);
        fDictionary->insert( std::pair<G4String,
                             G4ParticleDefinition*>(key,particle) );
      }
      G4MUTEXUNLOCK(&G4ParticleTable::particleTableMutex());
    }
#endif
 
#ifdef G4VERBOSE
    if ((particle == nullptr) && (verboseLevel>1) )
    {
      G4cout << "CODE:" << aPDGEncoding << " does not exist in ParticleTable "
             << G4endl;
    }
#endif
    return particle;
}
 
// --------------------------------------------------------------------
void G4ParticleTable::DumpTable(const G4String& particle_name) 
{
  CheckReadiness();
  if (( particle_name == "ALL" ) || (particle_name == "all"))
  {
    // dump all particles 
    G4PTblDicIterator *piter = fIterator; 
    piter -> reset();
    while( (*piter)() )  // Loop checking, 09.08.2015, K.Kurashige
    {
      (piter->value())->DumpTable();
    }
  }
  else
  {
    // dump only particle with name of particle_name
    G4ParticleDefinition *ptr = FindParticle(particle_name);
    if ( ptr != nullptr)
    {
      ptr->DumpTable();
    }
    else
    { 
#ifdef G4VERBOSE
      if (verboseLevel>1)
      {
    G4cout << " G4ParticleTable::DumpTable : " 
           << particle_name << " does not exist in ParticleTable "
               << G4endl;
      }
#endif
    }
  }
}
 
// --------------------------------------------------------------------
void G4ParticleTable::CheckReadiness() const
{
  if(!readyToUse)
  {
    G4String msg;
    msg = "Illegal use of G4ParticleTable :\n";
    msg += "Access to G4ParticleTable for finding a particle or equivalent\n";
    msg += "operation occurs before G4VUserPhysicsList is instantiated and\n";
    msg += "assigned to G4RunManager. Such an access is prohibited since\n";
    msg += "Geant4 version 8.0. To fix this problem, please make sure that\n";
    msg += "your main() instantiates G4VUserPhysicsList and set it to\n";
    msg += "G4RunManager before instantiating other user classes such as\n";
    msg += "G4VUserPrimaryParticleGeneratorAction.";
    G4Exception("G4ParticleTable::CheckReadiness()",
                "PART002", FatalException, msg);
  }
}
 
// --------------------------------------------------------------------
G4IonTable*  G4ParticleTable::GetIonTable() const
{
  return fIonTable;
}
 
// --------------------------------------------------------------------
const G4ParticleTable::G4PTblDictionary* G4ParticleTable::GetDictionary() const
{
  return fDictionary;
}
 
// --------------------------------------------------------------------
G4ParticleTable::G4PTblDicIterator* G4ParticleTable::GetIterator() const
{
  return fIterator;
}
 
// --------------------------------------------------------------------
const G4ParticleTable::G4PTblEncodingDictionary*
G4ParticleTable::GetEncodingDictionary() const
{
  return fEncodingDictionary;
}
 
// --------------------------------------------------------------------
G4bool  G4ParticleTable::contains(const G4String& particle_name) const
{
  G4PTblDictionary::iterator it = fDictionaryShadow->find(particle_name);
  return (it != fDictionaryShadow->cend());
}
 
// --------------------------------------------------------------------
G4int G4ParticleTable::entries() const
{
  return (G4int)fDictionary->size();
}
 
// --------------------------------------------------------------------
G4int G4ParticleTable::size() const
{
  return (G4int)fDictionary->size();
}