G4SolidsWorkspacePool.cc

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#include "G4Types.hh"

#include "G4SolidsWorkspacePool.hh"
#include "G4SolidsWorkspace.hh"

#include "G4AutoLock.hh"
namespace {
    G4Mutex singletonMutexSWP = G4MUTEX_INITIALIZER;
}

G4ThreadLocal G4SolidsWorkspace* G4SolidsWorkspacePool::fMyWorkspace=0;

G4SolidsWorkspacePool* G4SolidsWorkspacePool::thePool=0;

// static
G4SolidsWorkspacePool* G4SolidsWorkspacePool::GetInstance()
{
   G4AutoLock l(&singletonMutexSWP);
   if( !thePool ) thePool= new G4SolidsWorkspacePool();
   return thePool;
}

// For use with MT and current G4WorkerThread -- which uses static methods
G4SolidsWorkspace* G4SolidsWorkspacePool::CreateWorkspace()
{
  G4SolidsWorkspace* geometryWrk=0;
  if( !fMyWorkspace ){
    geometryWrk= new G4SolidsWorkspace();

    if( !geometryWrk ) {
      G4Exception("GeometryWorspacePool::CreateWorkspace", "Geom-003",
                  FatalException, "Failed to create workspace.");
    }else{
       // geometryWrk->UseWorkspace();  // Do not assign it already.
       fMyWorkspace= geometryWrk;
    }
  }else{
    G4Exception("GeometryWorspacePool::CreateWorkspace", "Geom-003",
                FatalException,
                "Cannot create workspace twice for the same thread.");
    geometryWrk= fMyWorkspace; 
  }
  
  return geometryWrk;
}


void G4SolidsWorkspacePool::CreateAndUseWorkspace()  // Create it (as above) and use it
{
  (this->CreateWorkspace())->UseWorkspace();
}

// Reuse an existing workspace - or create a new one if needed.
//
G4SolidsWorkspace* G4SolidsWorkspacePool::FindOrCreateWorkspace()
{
   G4SolidsWorkspace* geometryWrk= fMyWorkspace;
   if( !geometryWrk ){ 
      geometryWrk= this->CreateWorkspace(); 
   } 
   geometryWrk->UseWorkspace();
  
   fMyWorkspace= geometryWrk; // assign it for use by this thread.
   return geometryWrk;
}

#if 0
void G4SolidsWorkspacePool::ReleaseAndDestroyMyWorkspace()
{
  ReleaseAndDestroyWorkspace(fMyWorkspace);
  fMyWorkspace=0;
}

void G4SolidsWorkspacePool::ReleaseAndDestroyWorkspace(G4SolidsWorkspace *geometryWrk)
{
   geometryWrk->ReleaseWorkspace(); 
   delete geometryWrk; 
}
#endif 

void G4SolidsWorkspacePool::Recycle( G4SolidsWorkspace *geometryWrk )
{
   geometryWrk->ReleaseWorkspace(); 
//   if( fWarehouse ){ 
//   } else {
    delete geometryWrk;
//   }
}
      // Keep the unused Workspace - for recycling


void G4SolidsWorkspacePool::CleanUpAndDestroyAllWorkspaces()
{
}


G4SolidsWorkspacePool::G4SolidsWorkspacePool()
{
//  fWarehouse=0;
}

G4SolidsWorkspacePool::~G4SolidsWorkspacePool()
{
}