File indexing completed on 2024-11-03 13:04:10
0001 /* This file is part of the KDE project 0002 Copyright (C) 2003-2016 Jarosław Staniek <staniek@kde.org> 0003 0004 This program is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Library General Public 0006 License as published by the Free Software Foundation; either 0007 version 2 of the License, or (at your option) any later version. 0008 0009 This program is distributed in the hope that it will be useful, 0010 but WITHOUT ANY WARRANTY; without even the implied warranty of 0011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0012 Library General Public License for more details. 0013 0014 You should have received a copy of the GNU Library General Public License 0015 along with this program; see the file COPYING. If not, write to 0016 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0017 * Boston, MA 02110-1301, USA. 0018 */ 0019 0020 #ifndef KDB_CONNECTIONOPTIONS_H 0021 #define KDB_CONNECTIONOPTIONS_H 0022 0023 #include <QCoreApplication> 0024 #include "KDbUtils.h" 0025 0026 class KDbConnectionPrivate; 0027 class KDbConnection; 0028 0029 /*! @brief Generic options for a single connection. 0030 The options are accessible using key/value pairs. This enables extensibility 0031 depending on driver's type and version. 0032 @see KDbDriver::createConnection(const KDbConnectionData&, const KDbConnectionOptions&) 0033 @see KDbConnection::options() 0034 */ 0035 class KDB_EXPORT KDbConnectionOptions : public KDbUtils::PropertySet 0036 { 0037 Q_DECLARE_TR_FUNCTIONS(KDbConnectionOptions) 0038 public: 0039 KDbConnectionOptions(); 0040 0041 KDbConnectionOptions(const KDbConnectionOptions &other); 0042 0043 ~KDbConnectionOptions(); 0044 0045 KDbConnectionOptions& operator=(const KDbConnectionOptions &other); 0046 0047 //! @return true if these options have exactly the same values as @a other 0048 //! @since 3.1 0049 bool operator==(const KDbConnectionOptions &other) const; 0050 0051 //! @return true if these options differs in at least one value from @a other 0052 //! @since 3.1 0053 bool operator!=(const KDbConnectionOptions &other) const { return !operator==(other); } 0054 0055 /*! @return true for read-only connection. Used especially for file-based drivers. 0056 Can be implemented in a driver to provide real read-only flag of the connection 0057 (sqlite driver does this). */ 0058 bool isReadOnly() const; 0059 0060 /*! @internal used by KDbDriver::createConnection(). 0061 Only works if connection is not yet established. */ 0062 void setReadOnly(bool set); 0063 0064 //! Inserts option with a given @a name, @a value and @a caption. 0065 //! If such option exists, value is updated but caption only if existing caption is empty. 0066 //! @a name must be a valid identifier (see KDb::isIdentifier()). 0067 void insert(const QByteArray &name, const QVariant &value, const QString &caption = QString()); 0068 0069 //! Sets caption for option @a name to @a caption. 0070 //! If such option does not exist, does nothing. 0071 void setCaption(const QByteArray &name, const QString &caption); 0072 0073 //! Sets value for option @a name to @a value. 0074 //! If such option does not exist, does nothing. 0075 //! @since 3.1 0076 void setValue(const QByteArray &name, const QVariant &value); 0077 0078 //! Removes option with a given @a name if exists. 0079 void remove(const QByteArray &name); 0080 0081 private: 0082 void setConnection(KDbConnection *connection); 0083 0084 friend class KDbConnectionPrivate; 0085 0086 class Private; 0087 Private * const d; 0088 }; 0089 0090 #endif