b311480e |
1 | -- Created by: DAUTRY Philippe |
2 | -- Copyright (c) 1997-1999 Matra Datavision |
3 | -- Copyright (c) 1999-2012 OPEN CASCADE SAS |
4 | -- |
5 | -- The content of this file is subject to the Open CASCADE Technology Public |
6 | -- License Version 6.5 (the "License"). You may not use the content of this file |
7 | -- except in compliance with the License. Please obtain a copy of the License |
8 | -- at http://www.opencascade.org and read it completely before using this file. |
9 | -- |
10 | -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
11 | -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
12 | -- |
13 | -- The Original Code and all software distributed under the License is |
14 | -- distributed on an "AS IS" basis, without warranty of any kind, and the |
15 | -- Initial Developer hereby disclaims all such warranties, including without |
16 | -- limitation, any warranties of merchantability, fitness for a particular |
17 | -- purpose or non-infringement. Please see the License for the specific terms |
18 | -- and conditions governing the rights and limitations under the License. |
19 | |
7fd59977 |
20 | -- ------------------- |
7fd59977 |
21 | |
22 | ---Version: 0.0 |
b311480e |
23 | --Version Date Purpose |
7fd59977 |
24 | -- 0.0 Nov 4 1997 Creation |
25 | |
26 | class Transaction from DDF |
27 | inherits TShared from MMgt |
28 | |
29 | ---Purpose: This class encapsulates TDF_Transaction. |
30 | |
31 | uses |
32 | |
33 | Data from TDF, |
34 | Delta from TDF, |
35 | Transaction from TDF |
36 | |
37 | raises |
38 | |
39 | DomainError, NullObject from Standard |
40 | |
41 | is |
42 | |
43 | Create |
44 | returns Transaction from DDF; |
45 | ---Purpose: Creates an empty transaction context, unable to be |
46 | -- opened. |
47 | |
48 | Create(aDF : Data from TDF) |
49 | returns Transaction from DDF; |
50 | ---Purpose: Creates a transaction context on <aDF>, ready to |
51 | -- be opened. |
52 | |
53 | Open(me : mutable) |
54 | returns Integer from Standard; |
55 | ---Purpose: If not yet done, opens a new transaction on |
56 | -- <myDF>. Returns the index of the just opened |
57 | -- transaction. |
58 | -- |
59 | -- It raises DomainError if the transaction is |
60 | -- already open, and NullObject if there is no |
61 | -- current Data framework. |
62 | |
63 | Commit(me : mutable; |
64 | withDelta : Boolean from Standard = Standard_False) |
65 | returns Delta from TDF; |
66 | ---Purpose: Commits the transactions until AND including the |
67 | -- current opened one. |
68 | |
69 | Abort(me : mutable); |
70 | ---Purpose: Aborts the transactions until AND including the |
71 | -- current opened one. |
72 | -- |
73 | ---C++: alias ~ |
74 | |
75 | Data(me) returns Data from TDF; |
76 | ---Purpose: Returns the Data from TDF. |
77 | |
78 | Transaction(me) returns Integer from Standard; |
79 | ---Purpose: Returns the number of the transaction opened by <me>. |
80 | |
81 | IsOpen(me) |
82 | returns Boolean from Standard; |
83 | ---Purpose: Returns true if the transaction is open. |
84 | |
85 | |
86 | fields |
87 | |
88 | myTransaction : Transaction from TDF; |
89 | |
90 | end Transaction; |