vtkObjectBasePriorityQueue.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * $Id: vtkObjectBasePriorityQueue.h,v 1.3 2005/06/24 23:17:16 xpxqx Exp $
 *
 * Copyright (c) 2005 Sean McInerney
 * All rights reserved.
 *
 * See Copyright.txt or http://vtkcontainers.sourceforge.net/Copyright.html
 * for details.
 *
 *    This software is distributed WITHOUT ANY WARRANTY; without even 
 *    the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
 *    PURPOSE.  See the above copyright notice for more information.
 *
 */
#ifndef VTK_OBJECT_BASE_PRIORITY_QUEUE_H_
#  define VTK_OBJECT_BASE_PRIORITY_QUEUE_H_
#  include "vtkAdaptorContainer.h"

class vtkObjectBasePriorityQueueInternal;

class VTK_CONTAINERS_EXPORT vtkObjectBasePriorityQueue
  : public vtkAdaptorContainer
{
public:
  static vtkObjectBasePriorityQueue* New (void);
  vtkTypeRevisionMacro (vtkObjectBasePriorityQueue, vtkAdaptorContainer);
  void PrintSelf (ostream&, vtkIndent);

  virtual vtkIdType     GetSize (void) const;
  virtual int           IsEmpty (void) const;
  virtual vtkIdType     GetMaxSize (void) const;
  virtual int           Clear (void);

  virtual int           Swap (vtkObjectBasePriorityQueue* container);

  virtual int           Copy (vtkObjectBasePriorityQueue* container);

  virtual int                   Push (vtkObjectBase* item,
                                      int            priority = 0);

  int                           Pop (void);

  virtual vtkObjectBase*        Top (void) const;
protected:
  vtkObjectBasePriorityQueue (void);
  ~vtkObjectBasePriorityQueue();

  void  ReportReferences (vtkGarbageCollector*);

private:
  //BTX
  vtkObjectBasePriorityQueueInternal* Internal;

  vtkObjectBase* Front (void) const;

  vtkObjectBase* Back (void) const;
  int Swap (vtkAdaptorContainer* a)
    { return this->Swap(static_cast<vtkObjectBasePriorityQueue*>(a)); }
  int Copy (vtkAdaptorContainer* a)
    { return this->Copy(static_cast<vtkObjectBasePriorityQueue*>(a)); }
  //ETX

private:
  vtkObjectBasePriorityQueue (const vtkObjectBasePriorityQueue&);
  void operator= (const vtkObjectBasePriorityQueue&);
};

// ----------------------------------------------------------------------------
inline vtkObjectBase*
vtkObjectBasePriorityQueue::Top (void) const
{
  return this->Front();
}

#endif /* VTK_OBJECT_BASE_PRIORITY_QUEUE_H_ */
/* 
 * End of: $Id: vtkObjectBasePriorityQueue.h,v 1.3 2005/06/24 23:17:16 xpxqx Exp $.
 * 
 */

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