text: /*=========================================================================
  
    Program:   ParaView
    Module:    $RCSfile$
  
    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.
  
  =========================================================================*/
  #include "vtkPVCacheKeeperPipeline.h"
  
  #include "vtkObjectFactory.h"
  #include "vtkPVCacheKeeper.h"
  
  vtkStandardNewMacro(vtkPVCacheKeeperPipeline);
  vtkCxxRevisionMacro(vtkPVCacheKeeperPipeline, "$Revision$");
  //----------------------------------------------------------------------------
  vtkPVCacheKeeperPipeline::vtkPVCacheKeeperPipeline()
  {
  }
  
  //----------------------------------------------------------------------------
  vtkPVCacheKeeperPipeline::~vtkPVCacheKeeperPipeline()
  {
  }
  
  //----------------------------------------------------------------------------
  int vtkPVCacheKeeperPipeline::ForwardUpstream(
    int i, int j, vtkInformation* request)
  {
    vtkPVCacheKeeper* keeper = vtkPVCacheKeeper::SafeDownCast(this->Algorithm);
    if (keeper && keeper->GetCachingEnabled() && keeper->IsCached())
      {
      // shunt upstream updates when using cache.
      return 1;
      }
  
    return this->Superclass::ForwardUpstream(i, j, request);
  }
  
  //----------------------------------------------------------------------------
  int vtkPVCacheKeeperPipeline::ForwardUpstream(vtkInformation* request)
  {
    vtkPVCacheKeeper* keeper = vtkPVCacheKeeper::SafeDownCast(this->Algorithm);
    if (keeper && keeper->GetCachingEnabled() && keeper->IsCached())
      {
      // shunt upstream updates when using cache.
      return 1;
      }
  
    return this->Superclass::ForwardUpstream(request);
  }
  
  //----------------------------------------------------------------------------
  void vtkPVCacheKeeperPipeline::PrintSelf(ostream& os, vtkIndent indent)
  {
    this->Superclass::PrintSelf(os, indent);
  }
  
  
  