Method WriteSummaryXML

IO/ParallelXML/vtkXMLPartitionedDataSetCollectionWriter.cxx:156–239

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bool vtkXMLPartitionedDataSetCollectionWriter::WriteSummaryXML(
  vtkPartitionedDataSetCollection* input, const std::vector<std::vector<std::string>>& allFilenames)
{
  assert(static_cast<unsigned int>(allFilenames.size()) == input->GetNumberOfPartitionedDataSets());

  vtkNew<vtkXMLDataWriterHelper> helper;
  helper->SetWriter(this);
  helper->SetDataSetVersion(this->GetDataSetMajorVersion(), this->GetDataSetMinorVersion());
  helper->SetDataSetName(input->GetClassName());
  if (!helper->OpenFile())
  {
    return false;
  }
  this->AddArtifact(this->FileName);

  if (!helper->BeginWriting())
  {
    return false;
  }

  // build and serialize the DOM.
  vtkNew<vtkXMLDataElement> root;
  root->SetName(input->GetClassName());
  int pindex = 0;
  for (const auto& partitionNames : allFilenames)
  {
    int dindex = 0;
    vtkNew<vtkXMLDataElement> parent;
    parent->SetName("Partitions");
    parent->SetIntAttribute("index", pindex);
    for (const auto& fname : partitionNames)
    {
      if (!fname.empty()) // fname will be empty for null nodes in the input.
      {
        vtkNew<vtkXMLDataElement> child;
        child->SetName("DataSet");
        child->SetIntAttribute("index", dindex);
        child->SetAttribute("file", fname.c_str());
        parent->AddNestedElement(child);
      }
      ++dindex;
    }

    const bool hasName =
      input->HasMetaData(pindex) && input->GetMetaData(pindex)->Has(vtkCompositeDataSet::NAME());

    // skip empty partitions, however do preserve name, if present.
    if (parent->GetNumberOfNestedElements() > 0 || hasName)
    {
      if (hasName)
      {
        parent->SetAttribute("name", input->GetMetaData(pindex)->Get(vtkCompositeDataSet::NAME()));
      }
      root->AddNestedElement(parent);
    }
    ++pindex;
  }