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9775fa6110
Macro NO_CXX_EXCEPTION was removed from code. Method Raise() was replaced by explicit throw statement. Method Standard_Failure::Caught() was replaced by normal C++mechanism of exception transfer. Method Standard_Failure::Caught() is deprecated now. Eliminated empty constructors. Updated samples. Eliminate empty method ChangeValue from NCollection_Map class. Removed not operable methods from NCollection classes.
320 lines
9.8 KiB
C++
320 lines
9.8 KiB
C++
// Created on: 2007-03-16
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// Created by: Michael SAZONOV
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// Copyright (c) 2007-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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// The original implementation Copyright: (C) RINA S.p.A
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#include <TObj_TIntSparseArray.hxx>
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#include <Standard_GUID.hxx>
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#include <Standard_ImmutableObject.hxx>
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#include <TDF_Data.hxx>
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#include <TDF_AttributeDelta.hxx>
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#include <TDF_DeltaOnModification.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(TObj_TIntSparseArray,TDF_Attribute)
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//=======================================================================
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//function : TObj_TIntSparseArray
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//purpose : Empty constructor
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//=======================================================================
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TObj_TIntSparseArray::TObj_TIntSparseArray ()
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: myVector(100), myOldMap(100), myDoBackup (Standard_True)
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{
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}
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//=======================================================================
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//function : GetID
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//purpose :
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//=======================================================================
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const Standard_GUID& TObj_TIntSparseArray::GetID()
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{
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static Standard_GUID GInterfaceID ("7016dc0c-b118-4433-8ef3-aecdccc79198");
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return GInterfaceID;
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}
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//=======================================================================
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//function : ID
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//purpose :
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//=======================================================================
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const Standard_GUID& TObj_TIntSparseArray::ID() const
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{
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return GetID();
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}
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//=======================================================================
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//function : Set
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//purpose :
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//=======================================================================
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Handle(TObj_TIntSparseArray) TObj_TIntSparseArray::Set
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(const TDF_Label& theLabel)
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{
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Handle(TObj_TIntSparseArray) aTData;
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if (! theLabel.FindAttribute( GetID(), aTData))
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{
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aTData = new TObj_TIntSparseArray;
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theLabel.AddAttribute(aTData);
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}
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return aTData;
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}
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//=======================================================================
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//function : SetValue
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::SetValue (const Standard_Size theId,
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const Standard_Integer theValue)
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{
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// check that modification is allowed
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if ( !Label().Data()->IsModificationAllowed() )
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throw Standard_ImmutableObject("Attribute TObj_TIntSparseArray is changed outside transaction");
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if (theId < 1 || theValue < 1)
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throw Standard_OutOfRange("TObj_TIntSparseArray::SetValue");
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Standard_Integer anOld = AbsentValue;
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Standard_Boolean isOld = myVector.HasValue(theId);
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if (isOld)
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{
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Standard_Integer& aData = myVector(theId);
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if (aData == theValue)
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// no actual modification
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return;
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anOld = aData;
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// set new value
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aData = theValue;
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}
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else
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{
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// set the new value
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myVector.SetValue (theId, theValue);
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}
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TDF_Label aLabel = Label();
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if (!aLabel.IsNull())
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{
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Handle(TDF_Data) aData = aLabel.Data();
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Standard_Integer aCurrentTransaction = aData->Transaction();
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Standard_Integer aMyTransaction = Transaction();
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if (myDoBackup && aMyTransaction < aCurrentTransaction)
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backupValue(theId, anOld, theValue);
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}
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}
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//=======================================================================
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//function : UnsetValue
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::UnsetValue (const Standard_Size theId)
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{
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// check that modification is allowed
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if ( !Label().Data()->IsModificationAllowed() )
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throw Standard_ImmutableObject("Attribute TObj_TIntSparseArray is changed outside transaction");
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if (theId < 1)
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throw Standard_OutOfRange("TObj_TIntSparseArray::UnsetValue");
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Standard_Integer anOld = AbsentValue;
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Standard_Boolean isOld = myVector.HasValue(theId);
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if (isOld)
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{
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anOld = myVector(theId);
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// unset the value
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myVector.UnsetValue(theId);
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}
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else
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// no actual modification
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return;
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TDF_Label aLabel = Label();
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if (!aLabel.IsNull())
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{
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Handle(TDF_Data) aData = aLabel.Data();
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Standard_Integer aCurrentTransaction = aData->Transaction();
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Standard_Integer aMyTransaction = Transaction();
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if (myDoBackup && aMyTransaction < aCurrentTransaction)
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backupValue(theId, anOld, AbsentValue);
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}
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}
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//=======================================================================
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//function : Clear
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::Clear ()
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{
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// backup old values
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TDF_Label aLabel = Label();
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if (!aLabel.IsNull())
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{
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Handle(TDF_Data) aData = aLabel.Data();
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Standard_Integer aCurrentTransaction = aData->Transaction();
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Standard_Integer aMyTransaction = Transaction();
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if (myDoBackup && aMyTransaction < aCurrentTransaction)
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{
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TObj_TIntSparseArray_VecOfData::Iterator anIt (myVector);
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for (; anIt.More(); anIt.Next())
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{
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Standard_Size anId = anIt.Key();
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Standard_Integer aVal = anIt.Value();
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backupValue(anId, aVal, AbsentValue);
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}
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}
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}
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myVector.Clear();
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}
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//=======================================================================
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//function : backupValue
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//purpose :
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//=======================================================================
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void TObj_TIntSparseArray::backupValue (const Standard_Size theId,
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const Standard_Integer theCurrValue,
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const Standard_Integer theNewValue)
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{
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// save the current value if it has not been saved in previous time
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if ( !myOldMap.IsBound( theId ) )
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myOldMap.Bind(theId, theCurrValue);
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else
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{
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// if value in Undo is the same as the new one, the item in Undo map may be cleared
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Standard_Integer aUData = myOldMap.Value(theId);
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if (aUData == theNewValue)
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myOldMap.UnBind(theId);
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}
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}
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//=======================================================================
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//function : NewEmpty
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//purpose :
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//=======================================================================
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Handle(TDF_Attribute) TObj_TIntSparseArray::NewEmpty () const
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{
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return new TObj_TIntSparseArray;
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}
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//=======================================================================
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//function : BackupCopy
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//purpose : Moves <this> delta into a new other attribute.
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//=======================================================================
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Handle(TDF_Attribute) TObj_TIntSparseArray::BackupCopy() const
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{
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Handle(TObj_TIntSparseArray) aCopy =
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Handle(TObj_TIntSparseArray)::DownCast(NewEmpty());
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// save delta data in a copy
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if (!myOldMap.IsEmpty())
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aCopy->myOldMap.Exchange ( (TObj_TIntSparseArray_MapOfData&)myOldMap );
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return aCopy;
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}
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//=======================================================================
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//function : Restore
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//purpose : Restores contents of this with theDelta
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//=======================================================================
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void TObj_TIntSparseArray::Restore(const Handle(TDF_Attribute)& theDelta)
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{
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Handle(TObj_TIntSparseArray) aDelta =
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Handle(TObj_TIntSparseArray)::DownCast(theDelta);
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if (aDelta.IsNull())
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return;
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// restore the values from aDelta->myOldMap
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if (!aDelta->myOldMap.IsEmpty())
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{
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TObj_TIntSparseArray_MapOfData::Iterator anIt (aDelta->myOldMap);
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for (; anIt.More(); anIt.Next())
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{
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Standard_Size anId = anIt.Key();
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Standard_Integer anOld = anIt.Value();
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if (anOld == AbsentValue)
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UnsetValue (anId);
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else
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SetValue (anId, anOld);
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}
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}
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}
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//=======================================================================
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//function : Paste
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//purpose : copy this
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//=======================================================================
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void TObj_TIntSparseArray::Paste (const Handle(TDF_Attribute)& theInto,
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const Handle(TDF_RelocationTable)&) const
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{
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Handle(TObj_TIntSparseArray) aInto =
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Handle(TObj_TIntSparseArray)::DownCast(theInto);
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if(aInto.IsNull())
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return;
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aInto->myVector.Assign(myVector);
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}
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//=======================================================================
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//function : BeforeCommitTransaction
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//purpose : It is called just before Commit or Abort transaction
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//=======================================================================
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void TObj_TIntSparseArray::BeforeCommitTransaction()
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{
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if (!myOldMap.IsEmpty())
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{
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Backup();
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ClearDelta();
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}
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}
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//=======================================================================
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//function : DeltaOnModification
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//purpose : Applies aDelta to <me>
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//=======================================================================
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void TObj_TIntSparseArray::DeltaOnModification
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(const Handle(TDF_DeltaOnModification)& theDelta)
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{
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// we do not call Backup here, because a backup data is formed inside Restore.
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// Backup is called rather from BeforeCommitTransaction
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Restore(theDelta->Attribute());
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}
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//=======================================================================
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//function : AfterUndo
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//purpose : After application of a TDF_Delta.
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//=======================================================================
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Standard_Boolean TObj_TIntSparseArray::AfterUndo
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(const Handle(TDF_AttributeDelta)&,
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const Standard_Boolean)
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{
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// we must be sure that a delta in <me> is cleared
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ClearDelta();
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return Standard_True;
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}
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