1 /*
2  * Copyright (C) 2007 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 #ifndef ChangeVersionWrapper_h
29 #define ChangeVersionWrapper_h
30 
31 #if ENABLE(DATABASE)
32 
33 #include "PlatformString.h"
34 #include "SQLTransaction.h"
35 #include <wtf/Forward.h>
36 
37 namespace WebCore {
38 
39 class SQLError;
40 
41 class ChangeVersionWrapper : public SQLTransactionWrapper {
42 public:
create(const String & oldVersion,const String & newVersion)43     static PassRefPtr<ChangeVersionWrapper> create(const String& oldVersion, const String& newVersion) { return adoptRef(new ChangeVersionWrapper(oldVersion, newVersion)); }
44 
45     virtual bool performPreflight(SQLTransaction*);
46     virtual bool performPostflight(SQLTransaction*);
47 
sqlError()48     virtual SQLError* sqlError() const { return m_sqlError.get(); }
49 
50 private:
51     ChangeVersionWrapper(const String& oldVersion, const String& newVersion);
52 
53     String m_oldVersion;
54     String m_newVersion;
55     RefPtr<SQLError> m_sqlError;
56 };
57 
58 } // namespace WebCore
59 
60 #endif
61 
62 #endif // ChangeVersionWrapper_h
63