Mercurial > hg > orthanc-databases
annotate Framework/Common/NullValue.h @ 169:c17f219cec42
replacing VLOG(1) by LOG(TRACE)
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Mon, 02 Nov 2020 14:01:21 +0100 |
parents | 4cd7e45b671e |
children | 6fe74f9a516e |
rev | line source |
---|---|
0 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
140
4cd7e45b671e
upgrade to year 2020
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
67
diff
changeset
|
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #pragma once | |
23 | |
24 #include "IValue.h" | |
25 | |
26 namespace OrthancDatabases | |
27 { | |
28 class NullValue : public IValue | |
29 { | |
30 public: | |
31 virtual ValueType GetType() const | |
32 { | |
33 return ValueType_Null; | |
34 } | |
35 | |
36 virtual IValue* Convert(ValueType target) const; | |
37 | |
38 virtual std::string Format() const | |
39 { | |
40 return "(null)"; | |
41 } | |
42 }; | |
43 } |