/* | |
* Copyright (C) 2007 Apple Inc. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
* its contributors may be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#include "config.h" | |
#include "ChangeVersionWrapper.h" | |
#if ENABLE(DATABASE) | |
#include "Database.h" | |
namespace WebCore { | |
ChangeVersionWrapper::ChangeVersionWrapper(const String& oldVersion, const String& newVersion) | |
: m_oldVersion(oldVersion.crossThreadString()) | |
, m_newVersion(newVersion.crossThreadString()) | |
{ | |
} | |
bool ChangeVersionWrapper::performPreflight(SQLTransaction* transaction) | |
{ | |
ASSERT(transaction && transaction->database()); | |
String actualVersion; | |
if (!transaction->database()->getVersionFromDatabase(actualVersion)) { | |
LOG_ERROR("Unable to retrieve actual current version from database"); | |
m_sqlError = SQLError::create(0, "unable to verify current version of database"); | |
return false; | |
} | |
if (actualVersion != m_oldVersion) { | |
LOG_ERROR("Old version doesn't match actual version"); | |
m_sqlError = SQLError::create(2, "current version of the database and `oldVersion` argument do not match"); | |
return false; | |
} | |
return true; | |
} | |
bool ChangeVersionWrapper::performPostflight(SQLTransaction* transaction) | |
{ | |
ASSERT(transaction && transaction->database()); | |
if (!transaction->database()->setVersionInDatabase(m_newVersion)) { | |
LOG_ERROR("Unable to set new version in database"); | |
m_sqlError = SQLError::create(0, "unable to set new version in database"); | |
return false; | |
} | |
transaction->database()->setExpectedVersion(m_newVersion); | |
return true; | |
} | |
} // namespace WebCore | |
#endif // ENABLE(DATABASE) |