G4ITType.cc

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//
// Author: Mathieu Karamitros (kara (AT) cenbg . in2p3 . fr) 
//
// History:
// -----------
// 10 Oct 2011 M.Karamitros created
//
// -------------------------------------------------------------------

#include "G4ITType.hh"
#include "G4AutoLock.hh"

/*G4ThreadLocal*/ G4ITTypeManager* G4ITTypeManager::fgInstance = 0;
G4ThreadLocal G4ITTypeManager* G4ITTypeManager::fgInstance_local = 0;

G4Mutex deleteMutex=G4MUTEX_INITIALIZER;
G4Mutex ressourceMutex=G4MUTEX_INITIALIZER;

// static method
size_t G4ITType::size()
{
    return  G4ITTypeManager::Instance()->size();
}

G4ITType& G4ITType::operator=(const G4ITType & rhs)
{
    if (this == &rhs) return *this;
    fValue = rhs.fValue;
    return *this;
}

G4ITTypeManager*  G4ITTypeManager::Instance()
{
    if(fgInstance == 0)
    {
        fgInstance =  new G4ITTypeManager();
    }
    return fgInstance;
}

void G4ITTypeManager::DeleteInstance()
{
  G4AutoLock lock(&deleteMutex);
  if(fgInstance)
  {
    delete fgInstance ;
    fgInstance = 0;
  }
}

void G4ITTypeManager::ReserveRessource()
{
  G4AutoLock lock(&ressourceMutex);
  fRessource++;
}

void G4ITTypeManager::ReleaseRessource()
{
  G4AutoLock lock(&ressourceMutex);
  fRessource--;

  if(fRessource <= 0) DeleteInstance();
}

G4ITTypeManager::G4ITTypeManager()
{
  fLastType = 0;
  fRessource = 0;
}

G4ITTypeManager::~G4ITTypeManager()
{;}

size_t G4ITTypeManager::size() const
{
    return fLastType;
}

G4ITType G4ITTypeManager::NewType()
{
    G4ITType newType = fLastType;
    fLastType++;
    return newType;
}