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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkEnsembleSource.h
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 =========================================================================*/
00029 #ifndef vtkEnsembleSource_h
00030 #define vtkEnsembleSource_h
00031 
00032 #include "vtkCommonExecutionModelModule.h" // For export macro
00033 #include "vtkAlgorithm.h"
00034 
00035 struct vtkEnsembleSourceInternal;
00036 class vtkTable;
00037 class vtkInformationDataObjectMetaDataKey;
00038 class vtkInformationIntegerRequestKey;
00039 class vtkInformationIntegerKey;
00040 
00041 class VTKCOMMONEXECUTIONMODEL_EXPORT vtkEnsembleSource : public vtkAlgorithm
00042 {
00043 public:
00044   static vtkEnsembleSource *New();
00045   vtkTypeMacro(vtkEnsembleSource,vtkAlgorithm);
00046   void PrintSelf(ostream& os, vtkIndent indent);
00047 
00051   void AddMember(vtkAlgorithm*);
00052 
00054   void RemoveAllMembers();
00055 
00057   unsigned int GetNumberOfMembers();
00058 
00060 
00065   vtkSetMacro(CurrentMember, unsigned int);
00066   vtkGetMacro(CurrentMember, unsigned int);
00068 
00072   void SetMetaData(vtkTable*);
00073 
00075   static vtkInformationDataObjectMetaDataKey* META_DATA();
00076 
00078   static vtkInformationIntegerRequestKey* UPDATE_MEMBER();
00079 
00080 protected:
00081   vtkEnsembleSource();
00082   ~vtkEnsembleSource();
00083 
00084   static vtkInformationIntegerKey* DATA_MEMBER();
00085 
00086   friend class vtkInformationEnsembleMemberRequestKey;
00087 
00088   virtual int ProcessRequest(vtkInformation *request,
00089                              vtkInformationVector **inputVector,
00090                              vtkInformationVector *outputVector);
00091   virtual int FillOutputPortInformation(int, vtkInformation*);
00092 
00093   vtkAlgorithm* GetCurrentReader(vtkInformation*);
00094 
00095   vtkEnsembleSourceInternal* Internal;
00096   unsigned int CurrentMember;
00097 
00098   vtkTable* MetaData;
00099 
00100 private:
00101   vtkEnsembleSource(const vtkEnsembleSource&);  // Not implemented.
00102   void operator=(const vtkEnsembleSource&);  // Not implemented.
00103 };
00104 
00105 #endif