text: /*=========================================================================
  
    Program:   ParaView
    Module:    vtkPVDataSizeInformation.h
  
    Copyright (c) Kitware, Inc.
    All rights reserved.
    See Copyright.txt or http://www.paraview.org/HTML/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.
  
  =========================================================================*/
  /**
   * @class   vtkPVDataSizeInformation
   * @brief   PV information object for getting
   * information about data size.
   *
   * vtkPVDataSizeInformation is an information object for getting information
   * about data size. This is a light weight sibling of vtkPVDataInformation which
   * only returns the data size and nothing more. The data size can also be
   * obtained from vtkPVDataInformation.
  */
  
  #ifndef vtkPVDataSizeInformation_h
  #define vtkPVDataSizeInformation_h
  
  #include "vtkPVClientServerCoreCoreModule.h" //needed for exports
  #include "vtkPVInformation.h"
  
  class VTKPVCLIENTSERVERCORECORE_EXPORT vtkPVDataSizeInformation : public vtkPVInformation
  {
  public:
    static vtkPVDataSizeInformation* New();
    vtkTypeMacro(vtkPVDataSizeInformation, vtkPVInformation);
    void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
  
    /**
     * Transfer information about a single object into this object.
     */
    virtual void CopyFromObject(vtkObject*) VTK_OVERRIDE;
  
    /**
     * Merge another information object. Calls AddInformation(info, 0).
     */
    virtual void AddInformation(vtkPVInformation* info) VTK_OVERRIDE;
  
    //@{
    /**
     * Manage a serialized version of the information.
     */
    virtual void CopyToStream(vtkClientServerStream*) VTK_OVERRIDE;
    virtual void CopyFromStream(const vtkClientServerStream*) VTK_OVERRIDE;
    //@}
  
    /**
     * Remove all information.  The next add will be like a copy.
     */
    void Initialize();
  
    //@{
    /**
     * Access to memory size information.
     */
    vtkGetMacro(MemorySize, int);
    //@}
  
  protected:
    vtkPVDataSizeInformation();
    ~vtkPVDataSizeInformation();
  
    int MemorySize;
  
  private:
    vtkPVDataSizeInformation(const vtkPVDataSizeInformation&) VTK_DELETE_FUNCTION;
    void operator=(const vtkPVDataSizeInformation&) VTK_DELETE_FUNCTION;
  };
  
  #endif
  