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// File : TObj_TIntSparseArray.hxx
// Created : 16.03.2007
// Author : Michael SAZONOV
// Copyright: Open CASCADE 2007
// The original implementation Copyright: (C) RINA S.p.A
#ifndef TObj_TIntSparseArray_HeaderFile
#define TObj_TIntSparseArray_HeaderFile
#include <TObj_Common.hxx>
#include <NCollection_SparseArray.hxx>
#include <TDF_Attribute.hxx>
#include <TDF_Label.hxx>
typedef NCollection_SparseArray<Standard_Integer> TObj_TIntSparseArray_VecOfData;
typedef NCollection_SparseArray<Standard_Integer> TObj_TIntSparseArray_MapOfData;
class Handle(TObj_TIntSparseArray);
class Standard_GUID;
class Handle(TDF_RelocationTable);
/**
* OCAF Attribute to store a set of positive integer values in the OCAF tree.
* Each value is identified by ID (positive integer).
* The supporting underlying data structure is NCollection_SparseArray of integers.
*/
class TObj_TIntSparseArray : public TDF_Attribute
{
public:
//! Empty constructor
Standard_EXPORT TObj_TIntSparseArray();
//! This method is used in implementation of ID()
static Standard_EXPORT const Standard_GUID& GetID();
//! Returns the ID of this attribute.
Standard_EXPORT const Standard_GUID& ID() const;
//! Creates TObj_TIntSparseArray attribute on given label.
static Standard_EXPORT Handle(TObj_TIntSparseArray) Set
(const TDF_Label& theLabel);
public:
//! Methods for access to data
//! Returns the number of stored values in the set
Standard_EXPORT Standard_Integer Size() const
{ return myVector.Size(); }
typedef TObj_TIntSparseArray_VecOfData::ConstIterator Iterator;
//! Returns iterator on objects contained in the set
Iterator GetIterator() const { return Iterator(myVector); }
//! Returns true if the value with the given ID is present.
Standard_Boolean HasValue (const Standard_Integer theId) const
{ return myVector.HasValue(theId); }
//! Returns the value by its ID.
//! Raises an exception if no value is stored with this ID
Standard_Integer Value (const Standard_Integer theId) const
{ return myVector.Value(theId); }
//! Sets the value with the given ID.
//! Raises an exception if theId is not positive
Standard_EXPORT void SetValue (const Standard_Integer theId,
const Standard_Integer theValue);
//! Unsets the value with the given ID.
//! Raises an exception if theId is not positive
Standard_EXPORT void UnsetValue(const Standard_Integer theId);
//! Clears the set
Standard_EXPORT void Clear ();
public:
//! Redefined OCAF abstract methods
//! Returns an new empty TObj_TIntSparseArray attribute. It is used by the
//! copy algorithm.
Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const;
//! Moves this delta into a new other attribute.
Standard_EXPORT Handle(TDF_Attribute) BackupCopy() const;
//! Restores the set using info saved in backup attribute theDelta.
Standard_EXPORT void Restore(const Handle(TDF_Attribute)& theDelta);
//! This method is used when copying an attribute from a source structure
//! into a target structure.
Standard_EXPORT void Paste(const Handle(TDF_Attribute)& theInto,
const Handle(TDF_RelocationTable)& theRT) const;
//! It is called just before Commit or Abort transaction
//! and does Backup() to create a delta
Standard_EXPORT void BeforeCommitTransaction();
//! Applies theDelta to this.
Standard_EXPORT void DeltaOnModification
(const Handle(TDF_DeltaOnModification)& theDelta);
//! Clears my modification delta; called after application of theDelta
Standard_EXPORT Standard_Boolean AfterUndo
(const Handle(TDF_AttributeDelta)& theDelta,
const Standard_Boolean toForce);
public:
//! Methods to handle the modification delta
//! Sets the flag pointing to the necessity to maintain a modification delta.
//! It is called by the retrieval driver
void SetDoBackup (const Standard_Boolean toDo)
{ myDoBackup = toDo; }
void ClearDelta ()
{ myOldMap.Clear(); }
private:
//! Internal constant to recognize items in the backup array
//! correspondent to absent values
enum
{
AbsentValue = -1
};
//! backup one value
void backupValue (const Standard_Integer theId,
const Standard_Integer theCurrValue,
const Standard_Integer theNewValue);
TObj_TIntSparseArray_VecOfData myVector;
TObj_TIntSparseArray_MapOfData myOldMap;
Standard_Boolean myDoBackup;
public:
//! CASCADE RTTI
DEFINE_STANDARD_RTTI(TObj_TIntSparseArray)
};
//! Define handle class for TObj_TIntSparseArray
DEFINE_STANDARD_HANDLE(TObj_TIntSparseArray,TDF_Attribute)
#endif
#ifdef _MSC_VER
#pragma once
#endif
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