vtkSIProxyProperty.h

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/*=========================================================================

  Program:   ParaView
  Module:    vtkSIProxyProperty.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.

=========================================================================*/
#ifndef vtkSIProxyProperty_h
#define vtkSIProxyProperty_h

#include "vtkRemotingServerManagerModule.h" //needed for exports
#include "vtkSIProperty.h"

class VTKREMOTINGSERVERMANAGER_EXPORT vtkSIProxyProperty : public vtkSIProperty
{
public:
  static vtkSIProxyProperty* New();
  vtkTypeMacro(vtkSIProxyProperty, vtkSIProperty);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkGetStringMacro(CleanCommand);


  vtkGetStringMacro(RemoveCommand);

  // When set to true, the property will push a NULL i.e. 0 when there are no
  // proxies in the property. Not used when CleanCommand or RemoveCommand is
  // set. Default is false.
  vtkGetMacro(NullOnEmpty, bool);

protected:
  vtkSIProxyProperty();
  ~vtkSIProxyProperty() override;

  bool Push(vtkSMMessage*, int) override;

  bool ReadXMLAttributes(vtkSIProxy* proxyhelper, vtkPVXMLElement* element) override;


  vtkSetStringMacro(CleanCommand);
  char* CleanCommand;


  vtkSetStringMacro(RemoveCommand);
  char* RemoveCommand;

  // When set to true, the property will push a NULL i.e. 0 when there are no
  // proxies in the property. Not used when CleanCommand or RemoveCommand is
  // set. Default is false.
  vtkSetMacro(NullOnEmpty, bool);
  bool NullOnEmpty;

  enum TypeArg
  {
    VTK,
    SMProxy,
    SIProxy
  };

  // Proxy type: VTK (default), SMProxy, Kernel,
  // In the XML we expect argument_type="VTK"     (default value if not set)
  //                      argument_type="SMProxy"
  //                      argument_type="SIProxy"
  TypeArg ArgumentType;

  // Base on the ArgumentType will return either the VTK object or the SMProxy object
  vtkObjectBase* GetObjectBase(vtkTypeUInt32 globalId);

  // Allow to detect if a null argument is really meant to be null
  bool IsValidNull(vtkTypeUInt32 globalId);

private:
  vtkSIProxyProperty(const vtkSIProxyProperty&) = delete;
  void operator=(const vtkSIProxyProperty&) = delete;
  class InternalCache;
  InternalCache* Cache;

  class vtkObjectCache;
  vtkObjectCache* ObjectCache;
};

#endif