G4SmartVoxelProxy.hh

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//
// $Id$
//
// class G4SmartVoxelProxy
//
// Class description:
//
// Class for proxying smart voxels. The class represents either a header
// (in turn refering to more VoxelProxies) or a node. If created as a node,
// calls to GetHeader cause an exception, and likewise GetNode when a header.
//
// Note that the proxy does NOT gain deletion responsibility for proxied
// objects.
 
// History:
// 12.07.95 P.Kent Initial version
// 03.08.95 P.Kent Updated to become non abstract class, removing
//                 HeaderProxy and NodeProxy derived classes
// --------------------------------------------------------------------
#ifndef G4SMARTVOXELPROXY_HH
#define G4SMARTVOXELPROXY_HH
 
#include "G4Types.hh"
#include <assert.h>
 
class G4SmartVoxelNode;
class G4SmartVoxelHeader;
 
class G4SmartVoxelProxy 
{
 
  public:  // with description
 
    G4SmartVoxelProxy(G4SmartVoxelHeader *pHeader)
      : fHeader(pHeader), fNode(0) {}
      // Proxy for the specified header.
 
    G4SmartVoxelProxy(G4SmartVoxelNode *pNode)
      : fHeader(0), fNode(pNode) {}
      // Proxy for the specified node.
 
    ~G4SmartVoxelProxy();
      // Destructor - do nothing. Not responsible for proxied objects.
 
    G4bool IsHeader() const;
      // Return true if proxying for a header, else false.
 
    G4bool IsNode() const;
      // Return true if proxying for a node, else false.
 
    G4SmartVoxelNode* GetNode() const;
      // Return ptr to proxied node, else call G4Exception.
 
    G4SmartVoxelHeader* GetHeader() const;
      // Return ptr to proxied header, else call G4Exception
 
    G4bool operator == (const G4SmartVoxelProxy& v) const;
      // Equality operator.
      // True when objects share same address.
 
  private:
 
    G4SmartVoxelHeader* fHeader;
    G4SmartVoxelNode* fNode;
};
 
#include "G4SmartVoxelProxy.icc"
 
#endif