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1 | -- Created on: 1992-09-23 |
2 | -- Created by: Christian CAILLET |
3 | -- Copyright (c) 1992-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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8 | -- This library is free software; you can redistribute it and / or modify it |
9 | -- under the terms of the GNU Lesser General Public version 2.1 as published |
10 | -- by the Free Software Foundation, with special exception defined in the file |
11 | -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | -- distribution for complete text of the license and disclaimer of any warranty. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | class ExternalSources from IFGraph inherits GraphContent |
18 | |
19 | ---Purpose : this class gives entities which are Source of entities of |
20 | -- a sub-part, but are not contained by this sub-part |
21 | |
22 | uses Transient, EntityIterator, Graph |
23 | |
24 | is |
25 | |
26 | Create (agraph : Graph) returns ExternalSources; |
27 | ---Purpose : creates empty ExternalSources, ready to work |
28 | |
29 | GetFromEntity (me : in out; ent : any Transient); |
30 | ---Purpose : adds an entity and its shared ones to the list |
31 | |
32 | GetFromIter (me : in out; iter : EntityIterator); |
33 | ---Purpose : adds a list of entities (as an iterator) with shared ones |
34 | |
35 | ResetData (me : in out); |
36 | ---Purpose : Allows to restart on a new data set |
37 | |
38 | -- -- Results -- -- |
39 | -- More-Next-Value give External Source entities |
40 | |
41 | Evaluate (me : in out) is redefined; |
42 | ---Purpose : Evaluates external sources of a set of entities |
43 | |
44 | IsEmpty(me : in out) returns Boolean; |
45 | ---Purpose : Returns True if no External Source are found |
46 | -- It means that we have a "root" set |
47 | -- (performs an Evaluation as necessary) |
48 | |
49 | fields |
50 | |
51 | thegraph : Graph; |
52 | |
53 | end ExternalSources; |