61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#ifndef DATABASEFACTORY_H
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#define DATABASEFACTORY_H
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#include <QObject>
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#include <QPointer>
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#include <QSqlDatabase>
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class DatabaseFactory : public QObject {
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Q_OBJECT
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public:
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// Destructor.
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virtual ~DatabaseFactory();
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// Returns absolute file path to database file.
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inline QString getDatabasePath() {
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return m_databasePath;
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}
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// If in-memory is true, then :memory: database is returned
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// In-memory database is DEFAULT database.
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// NOTE: This always returns OPENED database.
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QSqlDatabase connection(const QString &connection_name = QString(),
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bool in_memory = true);
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// Removes connection.
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void removeConnection(const QString &connection_name = QString());
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// Performs saving of items from in-memory database
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// to file-based database.
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void saveMemoryDatabase();
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// Singleton getter.
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static DatabaseFactory *instance();
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private:
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// Conctructor.
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explicit DatabaseFactory(QObject *parent = 0);
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// Assemblies database file path.
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void assemblyDatabaseFilePath();
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// Creates new connection, initializes database and
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// returns opened connections.
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QSqlDatabase initializeInMemoryDatabase();
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QSqlDatabase initializeFileBasedDatabase(const QString &connection_name);
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// Path to database file.
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QString m_databasePath;
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// Is database file initialized?
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bool m_fileBasedinitialized;
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bool m_inMemoryInitialized;
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// Private singleton value.
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static QPointer<DatabaseFactory> s_instance;
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};
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#endif // DATABASEFACTORY_H
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