0024157: Parallelization of assembly part of BO
[occt.git] / src / IFSelect / IFSelect_SelectRoots.cxx
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b311480e 1// Copyright (c) 1999-2012 OPEN CASCADE SAS
2//
3// The content of this file is subject to the Open CASCADE Technology Public
4// License Version 6.5 (the "License"). You may not use the content of this file
5// except in compliance with the License. Please obtain a copy of the License
6// at http://www.opencascade.org and read it completely before using this file.
7//
8// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
9// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
10//
11// The Original Code and all software distributed under the License is
12// distributed on an "AS IS" basis, without warranty of any kind, and the
13// Initial Developer hereby disclaims all such warranties, including without
14// limitation, any warranties of merchantability, fitness for a particular
15// purpose or non-infringement. Please see the License for the specific terms
16// and conditions governing the rights and limitations under the License.
17
7fd59977 18#include <IFSelect_SelectRoots.ixx>
19#include <IFGraph_Cumulate.hxx>
20
21
b311480e 22IFSelect_SelectRoots::IFSelect_SelectRoots () { }
7fd59977 23
24
25// Refait pour travailler en une fois
26
27 Interface_EntityIterator IFSelect_SelectRoots::RootResult
28 (const Interface_Graph& G) const
29{
30 Interface_EntityIterator input = InputResult(G);
31 Interface_EntityIterator iter;
32 IFGraph_Cumulate GC(G);
33
34// On note dans le graphe : le cumul de chaque ensemble (Entite + Shared tous
35// niveaux). Les Roots initiales comptees une seule fois sont bonnes
36 for (input.Start(); input.More(); input.Next()) {
37 Handle(Standard_Transient) ent = input.Value();
38 GC.GetFromEntity(ent);
39 }
40// A present, on retient, parmi les inputs, celles comptees une seule fois
41 for (input.Start(); input.More(); input.Next()) {
42 Handle(Standard_Transient) ent = input.Value();
43 if ((Standard_Boolean)(GC.NbTimes(ent) <= 1) == IsDirect()) iter.GetOneItem(ent);
44 }
45 return iter;
46}
47
48 Standard_Boolean IFSelect_SelectRoots::HasUniqueResult () const
49 { return Standard_True; }
50
51 Standard_Boolean IFSelect_SelectRoots::Sort
52 (const Standard_Integer , const Handle(Standard_Transient)& ,
53 const Handle(Interface_InterfaceModel)& ) const
54 { return Standard_True; }
55
56 TCollection_AsciiString IFSelect_SelectRoots::ExtractLabel () const
57 { return TCollection_AsciiString("Local Roots"); }