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/*=========================================================================
Program: ParaView
Module: vtkPVCompositeDataInformation.h
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.
=========================================================================*/
/**
* @class vtkPVCompositeDataInformation
* @brief Light object for holding composite data information.
*
* vtkPVCompositeDataInformation is used to copy the meta information of
* a composite dataset from server to client. It holds a vtkPVDataInformation
* for each block of the composite dataset.
* @sa
* vtkHierarchicalBoxDataSet vtkPVDataInformation
*/
#ifndef vtkPVCompositeDataInformation_h
#define vtkPVCompositeDataInformation_h
#include "vtkPVClientServerCoreCoreModule.h" //needed for exports
#include "vtkPVInformation.h"
class vtkPVDataInformation;
class vtkUniformGridAMR;
struct vtkPVCompositeDataInformationInternals;
class VTKPVCLIENTSERVERCORECORE_EXPORT vtkPVCompositeDataInformation : public vtkPVInformation
{
public:
static vtkPVCompositeDataInformation* New();
vtkTypeMacro(vtkPVCompositeDataInformation, vtkPVInformation);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* Transfer information about a single object into this object.
*/
virtual void CopyFromObject(vtkObject*) VTK_OVERRIDE;
/**
* Merge another information object.
*/
virtual void AddInformation(vtkPVInformation*) VTK_OVERRIDE;
//@{
/**
* Manage a serialized version of the information.
*/
virtual void CopyToStream(vtkClientServerStream*) VTK_OVERRIDE;
virtual void CopyFromStream(const vtkClientServerStream*) VTK_OVERRIDE;
//@}
/**
* Clears all internal data structures.
*/
virtual void Initialize();
/**
* Returns the number of children.
*/
unsigned int GetNumberOfChildren();
/**
* Returns the information for the data object at the given index. If the
* child is a composite dataset itself, then the return vtkPVDataInformation
* will have the CompositeDataInformation set appropriately.
*/
vtkPVDataInformation* GetDataInformation(unsigned int idx);
/**
* Return the name of the child node at the given index, if any. This is the
* value for the key vtkCompositeDataSet::NAME() in the meta-data associated
* with the node.
*/
const char* GetName(unsigned int idx);
//@{
/**
* Get/Set if the data is multipiece. If so, then GetDataInformation() will
* always return NULL. For vtkMultiblockDataSet, we don't collect information
* about individual pieces. One can however, query the number of pieces by
* using GetNumberOfChildren().
*/
vtkGetMacro(DataIsMultiPiece, int);
//@}
//@{
/**
* Returns if the dataset is a composite dataset.
*/
vtkGetMacro(DataIsComposite, int);
//@}
// TODO:
// Add API to obtain meta data information for each of the children.
protected:
vtkPVCompositeDataInformation();
~vtkPVCompositeDataInformation();
/**
* Copy information from an amr dataset.
*/
void CopyFromAMR(vtkUniformGridAMR* amr);
int DataIsMultiPiece;
int DataIsComposite;
unsigned int FlatIndexMax;
unsigned int NumberOfPieces;
vtkSetMacro(NumberOfPieces, unsigned int);
friend class vtkPVDataInformation;
vtkPVDataInformation* GetDataInformationForCompositeIndex(int* index);
private:
vtkPVCompositeDataInformationInternals* Internal;
vtkPVCompositeDataInformation(const vtkPVCompositeDataInformation&) VTK_DELETE_FUNCTION;
void operator=(const vtkPVCompositeDataInformation&) VTK_DELETE_FUNCTION;
};
#endif
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