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Diffstat (limited to 'src/libs/sqlite/sqlitedatabase.cpp')
-rw-r--r-- | src/libs/sqlite/sqlitedatabase.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/libs/sqlite/sqlitedatabase.cpp b/src/libs/sqlite/sqlitedatabase.cpp new file mode 100644 index 0000000000..66ce669551 --- /dev/null +++ b/src/libs/sqlite/sqlitedatabase.cpp @@ -0,0 +1,146 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://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 Digia. For licensing terms and +** conditions see http://www.qt.io/licensing. For further information +** use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +****************************************************************************/ + +#include "sqlitedatabase.h" + +#include "sqlitetable.h" + +SqliteDatabase::SqliteDatabase() + : readDatabaseConnection(QStringLiteral("ReadWorker")), + writeDatabaseConnection(QStringLiteral("WriterWorker")), + journalMode_(JournalMode::Wal) +{ + connect(&readDatabaseConnection, &SqliteDatabaseConnectionProxy::connectionIsOpened, this, &SqliteDatabase::handleReadDatabaseConnectionIsOpened); + connect(&writeDatabaseConnection, &SqliteDatabaseConnectionProxy::connectionIsOpened, this, &SqliteDatabase::handleWriteDatabaseConnectionIsOpened); + connect(&readDatabaseConnection, &SqliteDatabaseConnectionProxy::connectionIsClosed, this, &SqliteDatabase::handleReadDatabaseConnectionIsClosed); + connect(&writeDatabaseConnection, &SqliteDatabaseConnectionProxy::connectionIsClosed, this, &SqliteDatabase::handleWriteDatabaseConnectionIsClosed); +} + +SqliteDatabase::~SqliteDatabase() +{ + qDeleteAll(sqliteTables); +} + +void SqliteDatabase::open() +{ + writeDatabaseConnection.setDatabaseFilePath(databaseFilePath()); + writeDatabaseConnection.setJournalMode(journalMode()); +} + +void SqliteDatabase::close() +{ + writeDatabaseConnection.close(); +} + +bool SqliteDatabase::isOpen() const +{ + return readDatabaseConnection.isOpen() && writeDatabaseConnection.isOpen(); +} + +void SqliteDatabase::addTable(SqliteTable *newSqliteTable) +{ + newSqliteTable->setSqliteDatabase(this); + sqliteTables.append(newSqliteTable); +} + +const QVector<SqliteTable *> &SqliteDatabase::tables() const +{ + return sqliteTables; +} + +void SqliteDatabase::setDatabaseFilePath(const QString &databaseFilePath) +{ + databaseFilePath_ = databaseFilePath; +} + +const QString &SqliteDatabase::databaseFilePath() const +{ + return databaseFilePath_; +} + +void SqliteDatabase::setJournalMode(JournalMode journalMode) +{ + journalMode_ = journalMode; +} + +JournalMode SqliteDatabase::journalMode() const +{ + return journalMode_; +} + +QThread *SqliteDatabase::writeWorkerThread() const +{ + return writeDatabaseConnection.connectionThread(); +} + +QThread *SqliteDatabase::readWorkerThread() const +{ + return readDatabaseConnection.connectionThread(); +} + +void SqliteDatabase::handleReadDatabaseConnectionIsOpened() +{ + if (writeDatabaseConnection.isOpen() && readDatabaseConnection.isOpen()) { + initializeTables(); + emit databaseIsOpened(); + } +} + +void SqliteDatabase::handleWriteDatabaseConnectionIsOpened() +{ + readDatabaseConnection.setDatabaseFilePath(databaseFilePath()); +} + +void SqliteDatabase::handleReadDatabaseConnectionIsClosed() +{ + if (!writeDatabaseConnection.isOpen() && !readDatabaseConnection.isOpen()) { + shutdownTables(); + emit databaseIsClosed(); + } +} + +void SqliteDatabase::handleWriteDatabaseConnectionIsClosed() +{ + readDatabaseConnection.close(); +} + +void SqliteDatabase::initializeTables() +{ + for (SqliteTable *table: tables()) + table->initialize(); +} + +void SqliteDatabase::shutdownTables() +{ + for (SqliteTable *table: tables()) + table->shutdown(); +} + + |