dox/Parallel/vtkPBGLGraphSQLReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkPBGLGraphSQLReader.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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.

=========================================================================*/
/*----------------------------------------------------------------------------
 Copyright (c) Sandia Corporation
 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#ifndef __vtkPBGLGraphSQLReader_h
#define __vtkPBGLGraphSQLReader_h

#include "vtkGraphAlgorithm.h"

class vtkSQLDatabase;

class VTK_PARALLEL_EXPORT vtkPBGLGraphSQLReader : public vtkGraphAlgorithm
{
public:
  static vtkPBGLGraphSQLReader* New();
  vtkTypeMacro(vtkPBGLGraphSQLReader,vtkGraphAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetMacro(Directed, bool);
  vtkGetMacro(Directed, bool);
  vtkBooleanMacro(Directed, bool);


  virtual void SetDatabase(vtkSQLDatabase* db);
  vtkGetObjectMacro(Database, vtkSQLDatabase);


  vtkSetStringMacro(VertexTable);
  vtkGetStringMacro(VertexTable);


  vtkSetStringMacro(EdgeTable);
  vtkGetStringMacro(EdgeTable);


  vtkSetStringMacro(SourceField);
  vtkGetStringMacro(SourceField);


  vtkSetStringMacro(TargetField);
  vtkGetStringMacro(TargetField);


  vtkSetStringMacro(VertexIdField);
  vtkGetStringMacro(VertexIdField);


  static void GetRange(int rank, int total,
    vtkIdType size, vtkIdType& offset, vtkIdType& limit);


  void SetDistributionUserData(int procs, vtkIdType verts)
    { this->DistributionUserData[0] = procs;
      this->DistributionUserData[1] = verts; }


  vtkIdType* GetDistributionUserData()
    { return this->DistributionUserData; }

protected:
  vtkPBGLGraphSQLReader();
  ~vtkPBGLGraphSQLReader();

  bool Directed;
  vtkSQLDatabase* Database;
  char* VertexTable;
  char* EdgeTable;
  char* SourceField;
  char* TargetField;
  char* VertexIdField;
  vtkIdType DistributionUserData[2];

  virtual int RequestData(
    vtkInformation*, 
    vtkInformationVector**, 
    vtkInformationVector*);

  virtual int RequestDataObject(
    vtkInformation*, 
    vtkInformationVector**, 
    vtkInformationVector*);

private:
  vtkPBGLGraphSQLReader(const vtkPBGLGraphSQLReader&); // Not implemented
  void operator=(const vtkPBGLGraphSQLReader&);   // Not implemented
};

#endif

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