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QxSqlDatabase.h
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    00001 /****************************************************************************
    00002 **
    00003 ** http://www.qxorm.com/
    00004 ** http://sourceforge.net/projects/qxorm/
    00005 ** Original file by Lionel Marty
    00006 **
    00007 ** This file is part of the QxOrm library
    00008 **
    00009 ** This software is provided 'as-is', without any express or implied
    00010 ** warranty. In no event will the authors be held liable for any
    00011 ** damages arising from the use of this software.
    00012 **
    00013 ** GNU Lesser General Public License Usage
    00014 ** This file must be used under the terms of the GNU Lesser
    00015 ** General Public License version 2.1 as published by the Free Software
    00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the
    00017 ** packaging of this file.  Please review the following information to
    00018 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00020 **
    00021 ** If you have questions regarding the use of this file, please contact :
    00022 ** contact@qxorm.com
    00023 **
    00024 ****************************************************************************/
    00025
    00026 #ifndef _QX_SQL_DATABASE_H_
    00027 #define _QX_SQL_DATABASE_H_
    00028
    00029 #ifdef _MSC_VER
    00030 #pragma once
    00031 #endif
    00032
    00040 #include <QtCore/qhash.h>
    00041 #include <QtCore/qmutex.h>
    00042 #include <QtCore/qthread.h>
    00043 #include <QtCore/quuid.h>
    00044
    00045 #include <QtSql/qsqldatabase.h>
    00046 #include <QtSql/qsqlquery.h>
    00047 #include <QtSql/qsqlerror.h>
    00048
    00049 #include <QxSingleton/QxSingleton.h>
    00050
    00051 #include <QxDao/QxSqlGenerator/IxSqlGenerator.h>
    00052
    00053 #define QX_CONSTRUCT_QX_SQL_DATABASE() \
    00054 m_iPort(-1), m_bTraceSqlQuery(true), m_bTraceSqlRecord(false), \
    00055 m_ePlaceHolderStyle(ph_style_2_point_name), m_bSessionThrowable(false), \
    00056 m_bSessionAutoTransaction(true), m_bValidatorThrowable(false), \
    00057 m_bAutoReplaceSqlAliasIntoQuery(true)
    00058
    00059 namespace qx {
    00060
    00065 class QX_DLL_EXPORT QxSqlDatabase : public QxSingleton<QxSqlDatabase>
    00066 {
    00067
    00068    friend class QxSingleton<QxSqlDatabase>;
    00069
    00070 public:
    00071
    00072    enum ph_style { ph_style_question_mark, ph_style_2_point_name, ph_style_at_name };
    00073
    00074 private:
    00075
    00076    QHash<Qt::HANDLE, QString> m_lstDbByThread;
    00077    QMutex m_oDbMutex;
    00078    QString m_sDriverName;
    00079    QString m_sConnectOptions;
    00080    QString m_sDatabaseName;
    00081    QString m_sUserName;
    00082    QString m_sPassword;
    00083    QString m_sHostName;
    00084    int m_iPort;
    00085    bool m_bTraceSqlQuery;
    00086    bool m_bTraceSqlRecord;
    00087    ph_style m_ePlaceHolderStyle;
    00088    bool m_bSessionThrowable;
    00089    bool m_bSessionAutoTransaction;
    00090    bool m_bValidatorThrowable;
    00091    qx::dao::detail::IxSqlGenerator_ptr m_pSqlGenerator;
    00092    bool m_bAutoReplaceSqlAliasIntoQuery;
    00093
    00094 private:
    00095
    00096    QxSqlDatabase() : QxSingleton<QxSqlDatabase>("qx::QxSqlDatabase"), QX_CONSTRUCT_QX_SQL_DATABASE() { ; }
    00097    virtual ~QxSqlDatabase() { ; }
    00098
    00099 public:
    00100
    00101    QString getDriverName() const                   { return m_sDriverName; }
    00102    QString getConnectOptions() const               { return m_sConnectOptions; }
    00103    QString getDatabaseName() const                 { return m_sDatabaseName; }
    00104    QString getUserName() const                     { return m_sUserName; }
    00105    QString getPassword() const                     { return m_sPassword; }
    00106    QString getHostName() const                     { return m_sHostName; }
    00107    int getPort() const                             { return m_iPort; }
    00108    bool getTraceSqlQuery() const                   { return m_bTraceSqlQuery; }
    00109    bool getTraceSqlRecord() const                  { return m_bTraceSqlRecord; }
    00110    ph_style getSqlPlaceHolderStyle() const         { return m_ePlaceHolderStyle; }
    00111    bool getSessionThrowable() const                { return m_bSessionThrowable; }
    00112    bool getSessionAutoTransaction() const          { return m_bSessionAutoTransaction; }
    00113    bool getValidatorThrowable() const              { return m_bValidatorThrowable; }
    00114    bool getAutoReplaceSqlAliasIntoQuery() const    { return m_bAutoReplaceSqlAliasIntoQuery; }
    00115
    00116    void setDriverName(const QString & s)                          { m_sDriverName = s; }
    00117    void setConnectOptions(const QString & s)                      { m_sConnectOptions = s; }
    00118    void setDatabaseName(const QString & s)                        { m_sDatabaseName = s; }
    00119    void setUserName(const QString & s)                            { m_sUserName = s; }
    00120    void setPassword(const QString & s)                            { m_sPassword = s; }
    00121    void setHostName(const QString & s)                            { m_sHostName = s; }
    00122    void setPort(int i)                                            { m_iPort = i; }
    00123    void setTraceSqlQuery(bool b)                                  { m_bTraceSqlQuery = b; }
    00124    void setTraceSqlRecord(bool b)                                 { m_bTraceSqlRecord = b; }
    00125    void setSqlPlaceHolderStyle(ph_style e)                        { m_ePlaceHolderStyle = e; }
    00126    void setSessionThrowable(bool b)                               { m_bSessionThrowable = b; }
    00127    void setSessionAutoTransaction(bool b)                         { m_bSessionAutoTransaction = b; }
    00128    void setValidatorThrowable(bool b)                             { m_bValidatorThrowable = b; }
    00129    void setSqlGenerator(qx::dao::detail::IxSqlGenerator_ptr p)    { m_pSqlGenerator = p; }
    00130    void setAutoReplaceSqlAliasIntoQuery(bool b)                   { m_bAutoReplaceSqlAliasIntoQuery = b; }
    00131
    00132    static QSqlDatabase getDatabase()         { return qx::QxSqlDatabase::getSingleton()->getDatabaseByCurrThreadId(); }
    00133    static QSqlDatabase getDatabaseCloned()   { return QSqlDatabase::cloneDatabase(qx::QxSqlDatabase::getDatabase(), QUuid::createUuid().toString()); }
    00134
    00135    qx::dao::detail::IxSqlGenerator * getSqlGenerator();
    00136
    00137 private:
    00138
    00139    QSqlDatabase getDatabaseByCurrThreadId();
    00140    QSqlDatabase createDatabase();
    00141
    00142    void displayLastError(const QSqlDatabase & db, const QString & sDesc) const;
    00143    QString formatLastError(const QSqlDatabase & db) const;
    00144
    00145    bool isValid() const { return (! m_sDriverName.isEmpty() && ! m_sDatabaseName.isEmpty()); }
    00146
    00147 };
    00148
    00149 } // namespace qx
    00150
    00151 QX_DLL_EXPORT_QX_SINGLETON_HPP(qx::QxSqlDatabase)
    00152
    00153 #endif // _QX_SQL_DATABASE_H_