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comparison Core/SQLite/StatementReference.h @ 0:3959d33612cc

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 19 Jul 2012 14:32:22 +0200
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children db4d996ea264
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1 /**
2 * Palantir - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
4 * Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 **/
19
20
21 #pragma once
22
23 #include <boost/noncopyable.hpp>
24 #include <stdint.h>
25 #include <cassert>
26 #include <stdlib.h>
27
28 struct sqlite3;
29 struct sqlite3_stmt;
30
31 namespace Palantir
32 {
33 namespace SQLite
34 {
35 class StatementReference : boost::noncopyable
36 {
37 private:
38 StatementReference* root_; // Only used for non-root nodes
39 uint32_t refCount_; // Only used for root node
40 struct sqlite3_stmt* statement_;
41
42 bool IsRoot() const;
43
44 public:
45 StatementReference();
46
47 StatementReference(sqlite3* database,
48 const char* sql);
49
50 StatementReference(StatementReference& other);
51
52 ~StatementReference();
53
54 uint32_t GetReferenceCount() const;
55
56 struct sqlite3_stmt* GetWrappedObject() const
57 {
58 assert(statement_ != NULL);
59 return statement_;
60 }
61 };
62 }
63 }