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vtkExecutive.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkExecutive.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00037 #ifndef __vtkExecutive_h
00038 #define __vtkExecutive_h
00039 
00040 #include "vtkObject.h"
00041 
00042 class vtkAlgorithm;
00043 class vtkAlgorithmOutput;
00044 class vtkAlgorithmToExecutiveFriendship;
00045 class vtkDataObject;
00046 class vtkInformation;
00047 class vtkInformationExecutiveKey;
00048 class vtkInformationIntegerKey;
00049 
00050 class VTK_FILTERING_EXPORT vtkExecutive : public vtkObject
00051 {
00052 public:
00053   vtkTypeRevisionMacro(vtkExecutive,vtkObject);
00054   void PrintSelf(ostream& os, vtkIndent indent);
00055 
00059   virtual int Update(vtkAlgorithm* algorithm)=0;
00060 
00064   virtual int Update(vtkAlgorithm* algorithm, int port)=0;
00065 
00067 
00068   virtual vtkInformation* GetOutputInformation(vtkAlgorithm* algorithm,
00069                                                int port)=0;
00071 
00073 
00074   virtual vtkDataObject* GetOutputData(vtkAlgorithm* algorithm, int port)=0;
00075   virtual void SetOutputData(vtkAlgorithm* algorithm, int port,
00076                              vtkDataObject*)=0;
00078 
00080   virtual vtkAlgorithmOutput* GetProducerPort(vtkDataObject*)=0;
00081 
00083 
00084   virtual vtkDataObject* GetInputData(vtkAlgorithm* algorithm, 
00085                                       int port, int connection)=0;
00087 
00090   virtual void UnRegister(vtkObjectBase* o);
00091 
00092   static vtkInformationExecutiveKey* EXECUTIVE();
00093   static vtkInformationIntegerKey* PORT_NUMBER();
00094 
00095 protected:
00096   vtkExecutive();
00097   ~vtkExecutive();
00098 
00100 
00104   virtual void AddAlgorithm(vtkAlgorithm* algorithm)=0;
00105   virtual void RemoveAlgorithm(vtkAlgorithm* algorithm)=0;
00107 
00108   // Garbage collection support.
00109   virtual void GarbageCollectionStarting();
00110   int GarbageCollecting;
00111 
00112   //BTX
00113   friend class vtkAlgorithmToExecutiveFriendship;
00114   //ETX
00115 private:
00116   vtkExecutive(const vtkExecutive&);  // Not implemented.
00117   void operator=(const vtkExecutive&);  // Not implemented.
00118 };
00119 
00120 #endif