blob: 5515faa913b2fae7db386b7b2e0f019d123566ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
-- File: TDF_DeltaOnModification.cdl
-- ---------------------------
-- Author: DAUTRY Philippe
-- <fid@fox.paris1.matra-dtv.fr>
---Copyright: MATRA DATAVISION 1997
---Version: 0.0
---History: Version Date Purpose
-- 0.0 Oct 10 1997 Creation
deferred class DeltaOnModification from TDF
inherits AttributeDelta from TDF
---Purpose: This class provides default services for an
-- AttributeDelta on a MODIFICATION action.
--
-- Applying this AttributeDelta means GOING BACK to
-- the attribute previously registered state.
uses
Attribute from TDF
-- raises
is
Initialize(anAttribute: Attribute from TDF)
returns mutable DeltaOnModification from TDF;
---Purpose: Initializes a TDF_DeltaOnModification.
Apply (me : mutable)
is redefined virtual;
---Purpose: Applies the delta to the attribute.
end DeltaOnModification;
|
