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geant4/source/geometry/solids/specific/include/G4SolidsWorkspace.hh
2025-12-05 08:54:02 +01:00

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//
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//
// G4SolidsWorkspace
//
// Class description:
//
// Manages the per-thread state of solids - those which have a per-thread
// state and dependent classes (if any)
// In particular it owns:
// - the arrays that implement 'split' classes
// - classes/objects which are owned by the split classes.
// Background: the classes/objects affected are:
// - 'split' classes part of its state is per-thread,
// - per-thread objects, in particular those which are owned by split classes.
// Goal: Take ownership and control of per-thread state of
// classes to work with multi-threading.
// Offshoot of G4GeometryWorkspace, to deal with Solids.
// Authors: John Apostolakis, Andrea Dotti (CERN), 04.10.2013 - Created
// --------------------------------------------------------------------
#ifndef G4SOLIDSWORKSPACE_HH
#define G4SOLIDSWORKSPACE_HH
#include "G4TWorkspacePool.hh"
#include "G4VSolid.hh"
#include "G4PolyconeSide.hh"
#include "G4PolyhedraSide.hh"
/**
* @brief G4SolidsWorkspace manages the per-thread state of thoese solids
* which have a per-thread state and dependent classes (if any). It takes
* ownership and control of per-thread state of classes to work with
* multi-threading.
*/
class G4SolidsWorkspace
{
public:
using pool_type = G4TWorkspacePool<G4SolidsWorkspace>;
/**
* Constructor.
* @param[in] verbose Verbosity flag.
*/
G4SolidsWorkspace(G4bool verbose = false);
/**
* Default Destructor.
*/
~G4SolidsWorkspace() = default;
/**
* Methods to achieve/release ownership.
*/
void UseWorkspace(); // Take ownership
void ReleaseWorkspace(); // Release ownership
void DestroyWorkspace(); // Release ownership and destroy
/**
* Method to be called at start of each run (especially at the
* 2nd and further runs).
*/
void InitialiseWorkspace();
/**
* Accessor/modifier for verbosity.
*/
inline void SetVerbose(G4bool v) { fVerbose=v; }
inline G4bool GetVerbose() { return fVerbose; }
/**
* Accessor to the object pool.
*/
static pool_type* GetPool();
private:
/**
* Does nothing.
*/
void InitialiseSolids();
private:
/** Helper pointers - can be per instance or shared. */
G4PlSideManager* fpPolyconeSideSIM = nullptr;
G4PhSideManager* fpPolyhedraSideSIM = nullptr;
// Per Instance variables
// NOTE: the ownership of the Data Arrays is IN this object
/** Store SubInstanceManager object pointers (SIM pointers). */
G4PlSideData* fPolyconeSideOffset = nullptr;
G4PhSideData* fPolyhedraSideOffset = nullptr;
G4bool fVerbose = false;
};
#endif // G4SOLIDSWORKSPACE_HH