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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "sqlitedatabase.h"
#include "sqlitetable.h"
#include "sqlitetransaction.h"
#include "sqlitereadwritestatement.h"
#include <QFileInfo>
#include <chrono>
using namespace std::chrono_literals;
namespace Sqlite {
class Database::Statements
{
public:
Statements(Database &database)
: database(database)
{}
public:
Database &database;
ReadWriteStatement deferredBegin{"BEGIN", database};
ReadWriteStatement immediateBegin{"BEGIN IMMEDIATE", database};
ReadWriteStatement exclusiveBegin{"BEGIN EXCLUSIVE", database};
ReadWriteStatement commitBegin{"COMMIT", database};
ReadWriteStatement rollbackBegin{"ROLLBACK", database};
};
Database::Database()
: m_databaseBackend(*this)
{
}
Database::Database(Utils::PathString &&databaseFilePath, JournalMode journalMode)
: Database(std::move(databaseFilePath), 1000ms, journalMode)
{
}
Database::Database(Utils::PathString &&databaseFilePath,
std::chrono::milliseconds busyTimeout,
JournalMode journalMode)
: m_databaseBackend(*this),
m_busyTimeout(busyTimeout)
{
setJournalMode(journalMode);
open(std::move(databaseFilePath));
}
Database::~Database() = default;
void Database::open()
{
m_databaseBackend.open(m_databaseFilePath, m_openMode);
m_databaseBackend.setJournalMode(m_journalMode);
m_databaseBackend.setBusyTimeout(m_busyTimeout);
registerTransactionStatements();
initializeTables();
m_isOpen = true;
}
void Database::open(Utils::PathString &&databaseFilePath)
{
m_isInitialized = QFileInfo::exists(QString(databaseFilePath));
setDatabaseFilePath(std::move(databaseFilePath));
open();
}
void Database::close()
{
m_isOpen = false;
deleteTransactionStatements();
m_databaseBackend.close();
}
bool Database::isInitialized() const
{
return m_isInitialized;
}
void Database::setIsInitialized(bool isInitialized)
{
m_isInitialized = isInitialized;
}
bool Database::isOpen() const
{
return m_isOpen;
}
Table &Database::addTable()
{
m_sqliteTables.emplace_back();
return m_sqliteTables.back();
}
const std::vector<Table> &Database::tables() const
{
return m_sqliteTables;
}
void Database::setDatabaseFilePath(Utils::PathString &&databaseFilePath)
{
m_databaseFilePath = std::move(databaseFilePath);
}
const Utils::PathString &Database::databaseFilePath() const
{
return m_databaseFilePath;
}
void Database::setJournalMode(JournalMode journalMode)
{
m_journalMode = journalMode;
}
JournalMode Database::journalMode() const
{
return m_journalMode;
}
void Database::setOpenMode(OpenMode openMode)
{
m_openMode = openMode;
}
OpenMode Database::openMode() const
{
return m_openMode;
}
void Database::execute(Utils::SmallStringView sqlStatement)
{
m_databaseBackend.execute(sqlStatement);
}
void Database::initializeTables()
{
try {
ExclusiveTransaction transaction(*this);
for (Table &table : m_sqliteTables)
table.initialize(*this);
transaction.commit();
} catch (const StatementIsBusy &) {
initializeTables();
}
}
void Database::registerTransactionStatements()
{
m_statements = std::make_unique<Statements>(*this);
}
void Database::deleteTransactionStatements()
{
m_statements.reset();
}
void Database::deferredBegin()
{
m_statements->deferredBegin.execute();
}
void Database::immediateBegin()
{
m_statements->immediateBegin.execute();
}
void Database::exclusiveBegin()
{
m_statements->exclusiveBegin.execute();
}
void Database::commit()
{
m_statements->commitBegin.execute();
}
void Database::rollback()
{
m_statements->rollbackBegin.execute();
}
void Database::lock()
{
m_databaseMutex.lock();
}
void Database::unlock()
{
m_databaseMutex.unlock();
}
DatabaseBackend &Database::backend()
{
return m_databaseBackend;
}
} // namespace Sqlite
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