//
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//
#include "G4ParticlesWorkspace.hh"

namespace
{
  G4ParticlesWorkspace::pool_type thePool;
}

G4ParticlesWorkspace::pool_type*
G4ParticlesWorkspace::GetPool() { return &thePool; }

G4ParticlesWorkspace::G4ParticlesWorkspace(G4bool verbose)
   : fVerbose(verbose)
{
  fpPDefSIM = 
    &const_cast<G4PDefManager&>(G4ParticleDefinition::GetSubInstanceManager());

  // Copy information from master into PolyCone/Gon Sides in this thread.
  InitialiseWorkspace();

  // Capture its address of ParticleDefinition split-class in this thread
  fpPDefOffset = fpPDefSIM->GetOffset();   
}

G4ParticlesWorkspace::~G4ParticlesWorkspace()
{
}

void
G4ParticlesWorkspace::UseWorkspace()
{
  if( fVerbose ) 
     G4cout << "G4ParticlesWorkspace::UseWorkspace: "
            << "Copying particles-definition Split-Class - Start " << G4endl;

  // Implementation copied from G4WorkerThread::BuildGeometryAndPhysicsVector()
  
  // Geometry related, split classes mechanism: instantiate
  // sub-instance for this thread
  fpPDefSIM->UseWorkArea(fpPDefOffset);
}

void G4ParticlesWorkspace::ReleaseWorkspace()
{
  fpPDefSIM->UseWorkArea(0);
}

void G4ParticlesWorkspace::InitialiseParticles()
{
}

void
G4ParticlesWorkspace::InitialiseWorkspace()
{
  if( fVerbose ) 
     G4cout << "G4ParticlesWorkspace::InitialiseWorkspace: "
            << "Copying particles-definition Split-Class - Start " << G4endl;
    
  // Particles related, split classes mechanism:
  //   Do *NOT* instantiate sub-instance for this thread,
  //   just copy the contents !!
  fpPDefSIM->NewSubInstances();

  // Additional initialization if needed - beyond copying memory
  InitialiseParticles();
  
  if( fVerbose ) 
     G4cout << "G4ParticlesWorkspace::CreateAndUseWorkspace: "
            << "Copying particles-definition Split-Class - Done!" << G4endl;
}

void G4ParticlesWorkspace::DestroyWorkspace()
{
  fpPDefSIM->FreeSlave();
}