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