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Parallel/vtkInputPort.h

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00001 /*=========================================================================
00002   
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkInputPort.h,v $
00005   Language:  C++
00006   
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00066 #ifndef __vtkInputPort_h
00067 #define __vtkInputPort_h
00068 
00069 #include "vtkSource.h"
00070 #include "vtkMultiProcessController.h"
00071 class vtkPolyData;
00072 class vtkUnstructuredGrid;
00073 class vtkStructuredGrid;
00074 class vtkRectilinearGrid;
00075 class vtkStructuredPoints;
00076 class vtkImageData;
00077 
00078 
00079 
00080 class VTK_PARALLEL_EXPORT vtkInputPort : public vtkSource
00081 {
00082 public:
00083   static vtkInputPort *New();
00084   vtkTypeMacro(vtkInputPort,vtkSource);
00085   void PrintSelf(ostream& os, vtkIndent indent);
00086 
00088 
00092   vtkPolyData *GetPolyDataOutput();
00093   vtkUnstructuredGrid *GetUnstructuredGridOutput();
00094   vtkStructuredGrid *GetStructuredGridOutput();
00095   vtkRectilinearGrid *GetRectilinearGridOutput();
00096   vtkStructuredPoints *GetStructuredPointsOutput();
00097   vtkImageData *GetImageDataOutput();
00099   
00101 
00104   vtkSetMacro(RemoteProcessId, int);
00105   vtkGetMacro(RemoteProcessId, int);
00106   vtkSetMacro(Tag, int);
00107   vtkGetMacro(Tag, int);
00109   
00111   void UpdateInformation();
00112 
00114   void PropagateUpdateExtent(vtkDataObject *vtkNotUsed(output)) {};
00115 
00117   void UpdateData( vtkDataObject *out );
00118 
00120   void TriggerAsynchronousUpdate();  
00121   
00123 
00125   vtkMultiProcessController *GetController() {return this->Controller;}
00126   vtkSetObjectMacro(Controller, vtkMultiProcessController);
00128   
00130 
00135   vtkSetMacro(DoUpdateInformation, int);
00136   vtkGetMacro(DoUpdateInformation, int);
00138   
00139 //BTX
00140 
00141 // Arbitrary tags used by the ports for communication.
00142   enum Tags {
00143     DOWN_DATA_TIME_TAG = 98970,
00144     UPDATE_EXTENT_TAG = 98971,
00145     TRANSFER_NEEDED_TAG = 98972,
00146     INFORMATION_TRANSFER_TAG = 98973,
00147     DATA_TRANSFER_TAG = 98974,
00148     NEW_DATA_TIME_TAG = 98975
00149   };
00150 
00151 //ETX
00152 
00153 protected:
00154   vtkInputPort();
00155   ~vtkInputPort();  
00156   
00157   vtkMultiProcessController *Controller;
00158   int RemoteProcessId;
00159   int Tag;
00160 
00161   unsigned long DataTime;
00162   unsigned long UpStreamMTime;
00163   int TransferNeeded;
00164   int DoUpdateInformation;
00165 private:
00166   vtkInputPort(const vtkInputPort&);  // Not implemented.
00167   void operator=(const vtkInputPort&);  // Not implemented.
00168 };
00169 
00170 #endif
00171 
00172 

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