0da7830d9a
This is important so they can be stored efficiently inside containers such as std::vector that require strong move guarantees.
287 lines
8.1 KiB
C++
287 lines
8.1 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2015 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_cont_DataSet_h
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#define vtk_m_cont_DataSet_h
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#include <vtkm/cont/vtkm_cont_export.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/DeviceAdapterAlgorithm.h>
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#include <vtkm/cont/DynamicArrayHandle.h>
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#include <vtkm/cont/DynamicCellSet.h>
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#include <vtkm/cont/ErrorBadValue.h>
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#include <vtkm/cont/Field.h>
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namespace vtkm
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{
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namespace cont
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{
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class VTKM_CONT_EXPORT DataSet
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{
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public:
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VTKM_CONT void Clear();
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VTKM_CONT void AddField(const Field& field) { this->Fields.push_back(field); }
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VTKM_CONT
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const vtkm::cont::Field& GetField(vtkm::Id index) const;
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VTKM_CONT
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bool HasField(const std::string& name,
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vtkm::cont::Field::Association assoc = vtkm::cont::Field::Association::ANY) const
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{
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bool found;
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this->FindFieldIndex(name, assoc, found);
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return found;
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}
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VTKM_CONT
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vtkm::Id GetFieldIndex(
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const std::string& name,
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vtkm::cont::Field::Association assoc = vtkm::cont::Field::Association::ANY) const;
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VTKM_CONT
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const vtkm::cont::Field& GetField(
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const std::string& name,
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vtkm::cont::Field::Association assoc = vtkm::cont::Field::Association::ANY) const
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{
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return this->GetField(this->GetFieldIndex(name, assoc));
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}
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VTKM_CONT
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const vtkm::cont::Field& GetCellField(const std::string& name) const
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{
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return this->GetField(name, vtkm::cont::Field::Association::CELL_SET);
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}
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VTKM_CONT
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const vtkm::cont::Field& GetPointField(const std::string& name) const
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{
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return this->GetField(name, vtkm::cont::Field::Association::POINTS);
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}
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VTKM_CONT
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void AddCoordinateSystem(const vtkm::cont::CoordinateSystem& cs)
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{
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this->CoordSystems.push_back(cs);
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}
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VTKM_CONT
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const vtkm::cont::CoordinateSystem& GetCoordinateSystem(vtkm::Id index = 0) const;
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VTKM_CONT
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bool HasCoordinateSystem(const std::string& name) const
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{
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bool found;
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this->FindCoordinateSystemIndex(name, found);
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return found;
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}
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VTKM_CONT
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vtkm::Id GetCoordinateSystemIndex(const std::string& name) const;
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VTKM_CONT
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const vtkm::cont::CoordinateSystem& GetCoordinateSystem(const std::string& name) const
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{
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return this->GetCoordinateSystem(this->GetCoordinateSystemIndex(name));
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}
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VTKM_CONT
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void AddCellSet(const vtkm::cont::DynamicCellSet& cellSet) { this->CellSets.push_back(cellSet); }
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template <typename CellSetType>
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VTKM_CONT void AddCellSet(const CellSetType& cellSet)
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{
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VTKM_IS_CELL_SET(CellSetType);
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this->CellSets.push_back(vtkm::cont::DynamicCellSet(cellSet));
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}
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VTKM_CONT
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vtkm::cont::DynamicCellSet GetCellSet(vtkm::Id index = 0) const
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{
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VTKM_ASSERT((index >= 0) && (index < this->GetNumberOfCellSets()));
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return this->CellSets[static_cast<std::size_t>(index)];
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}
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VTKM_CONT
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bool HasCellSet(const std::string& name) const
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{
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bool found;
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this->FindCellSetIndex(name, found);
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return found;
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}
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VTKM_CONT
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vtkm::Id GetCellSetIndex(const std::string& name) const;
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VTKM_CONT
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vtkm::cont::DynamicCellSet GetCellSet(const std::string& name) const
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{
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return this->GetCellSet(this->GetCellSetIndex(name));
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}
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VTKM_CONT
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vtkm::IdComponent GetNumberOfCellSets() const
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{
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return static_cast<vtkm::IdComponent>(this->CellSets.size());
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}
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VTKM_CONT
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vtkm::IdComponent GetNumberOfFields() const
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{
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return static_cast<vtkm::IdComponent>(this->Fields.size());
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}
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VTKM_CONT
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vtkm::IdComponent GetNumberOfCoordinateSystems() const
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{
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return static_cast<vtkm::IdComponent>(this->CoordSystems.size());
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}
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/// Copies the structure i.e. coordinates systems and cellsets from the source
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/// dataset. The fields are left unchanged.
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VTKM_CONT
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void CopyStructure(const vtkm::cont::DataSet& source);
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VTKM_CONT
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void PrintSummary(std::ostream& out) const;
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private:
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std::vector<vtkm::cont::CoordinateSystem> CoordSystems;
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std::vector<vtkm::cont::Field> Fields;
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std::vector<vtkm::cont::DynamicCellSet> CellSets;
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VTKM_CONT
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vtkm::Id FindFieldIndex(const std::string& name,
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vtkm::cont::Field::Association association,
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bool& found) const;
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VTKM_CONT
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vtkm::Id FindCoordinateSystemIndex(const std::string& name, bool& found) const;
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VTKM_CONT
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vtkm::Id FindCellSetIndex(const std::string& name, bool& found) const;
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};
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} // namespace cont
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} // namespace vtkm
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//=============================================================================
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// Specializations of serialization related classes
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namespace vtkm
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{
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namespace cont
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{
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template <typename FieldTypeList = VTKM_DEFAULT_TYPE_LIST_TAG,
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typename FieldStorageList = VTKM_DEFAULT_STORAGE_LIST_TAG,
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typename CellSetTypesList = VTKM_DEFAULT_CELL_SET_LIST_TAG>
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struct SerializableDataSet
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{
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SerializableDataSet() = default;
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explicit SerializableDataSet(const vtkm::cont::DataSet& dataset)
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: DataSet(dataset)
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{
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}
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vtkm::cont::DataSet DataSet;
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};
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}
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} // vtkm::cont
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namespace diy
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{
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template <typename FieldTypeList, typename FieldStorageList, typename CellSetTypesList>
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struct Serialization<
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vtkm::cont::SerializableDataSet<FieldTypeList, FieldStorageList, CellSetTypesList>>
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{
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private:
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using Type = vtkm::cont::SerializableDataSet<FieldTypeList, FieldStorageList, CellSetTypesList>;
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public:
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static VTKM_CONT void save(BinaryBuffer& bb, const Type& serializable)
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{
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const auto& dataset = serializable.DataSet;
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vtkm::IdComponent numberOfCoordinateSystems = dataset.GetNumberOfCoordinateSystems();
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diy::save(bb, numberOfCoordinateSystems);
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for (vtkm::IdComponent i = 0; i < numberOfCoordinateSystems; ++i)
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{
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diy::save(bb, dataset.GetCoordinateSystem(i));
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}
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vtkm::IdComponent numberOfCellSets = dataset.GetNumberOfCellSets();
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diy::save(bb, numberOfCellSets);
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for (vtkm::IdComponent i = 0; i < numberOfCellSets; ++i)
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{
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diy::save(bb, dataset.GetCellSet(i).ResetCellSetList(CellSetTypesList{}));
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}
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vtkm::IdComponent numberOfFields = dataset.GetNumberOfFields();
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diy::save(bb, numberOfFields);
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for (vtkm::IdComponent i = 0; i < numberOfFields; ++i)
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{
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diy::save(
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bb, vtkm::cont::SerializableField<FieldTypeList, FieldStorageList>(dataset.GetField(i)));
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}
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}
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static VTKM_CONT void load(BinaryBuffer& bb, Type& serializable)
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{
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auto& dataset = serializable.DataSet;
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dataset = {}; // clear
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vtkm::IdComponent numberOfCoordinateSystems = 0;
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diy::load(bb, numberOfCoordinateSystems);
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for (vtkm::IdComponent i = 0; i < numberOfCoordinateSystems; ++i)
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{
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vtkm::cont::CoordinateSystem coords;
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diy::load(bb, coords);
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dataset.AddCoordinateSystem(coords);
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}
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vtkm::IdComponent numberOfCellSets = 0;
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diy::load(bb, numberOfCellSets);
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for (vtkm::IdComponent i = 0; i < numberOfCellSets; ++i)
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{
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vtkm::cont::DynamicCellSetBase<CellSetTypesList> cells;
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diy::load(bb, cells);
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dataset.AddCellSet(vtkm::cont::DynamicCellSet(cells));
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}
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vtkm::IdComponent numberOfFields = 0;
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diy::load(bb, numberOfFields);
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for (vtkm::IdComponent i = 0; i < numberOfFields; ++i)
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{
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vtkm::cont::SerializableField<FieldTypeList, FieldStorageList> field;
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diy::load(bb, field);
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dataset.AddField(field.Field);
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}
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}
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};
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} // diy
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#endif //vtk_m_cont_DataSet_h
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