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/******************************************************************************
*
* package: Log4Qt
* file: databaseappender.h
* created: Marth 2010
* author: Michael Filonenko
*
*
* Copyright 2010 Michael Filonenko
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#ifndef _DATABASEAPPENDER_H
#define _DATABASEAPPENDER_H
/******************************************************************************
* Dependencies
******************************************************************************/
#include "appenderskeleton.h"
#include <QtSql/QSqlDatabase>
/******************************************************************************
* Declarations
******************************************************************************/
namespace Log4Qt
{
/*!
* \brief The class DatabaseAppender appends log events to a sql database.
*
* \note All the functions declared in this class are thread-safe.
*
* \note The ownership and lifetime of objects of this class are managed.
* See \ref Ownership "Object ownership" for more details.
*/
class LOG4QT_EXPORT DatabaseAppender : public AppenderSkeleton
{
Q_OBJECT
/*!
* The property holds sql database connection the appender uses.
*
* The default is null to use the codec the writer has set.
*
* \sa connection(), setConnection()
*/
Q_PROPERTY(QString connection READ connection WRITE setConnection)
/*!
* The property holds sql database table name
*
\sa table(), setTable()
*/
Q_PROPERTY(QString table READ table WRITE setTable)
public:
DatabaseAppender(QObject *pParent = 0);
DatabaseAppender(Layout *pLayout,
QObject *pParent = 0);
DatabaseAppender(Layout *pLayout
,const QString& tableName
,const QString& connection = QSqlDatabase::defaultConnection
,QObject *pParent = 0);
virtual ~DatabaseAppender();
private:
DatabaseAppender(const DatabaseAppender &rOther); // Not implemented
DatabaseAppender &operator=(const DatabaseAppender &rOther); // Not implemented
public:
virtual bool requiresLayout() const;
QString connection() const;
QString table() const;
void setConnection(const QString& connection);
void setTable(const QString& table);
virtual void activateOptions();
protected:
virtual void append(const LoggingEvent &rEvent);
/*!
* Tests if all entry conditions for using append() in this class are
* met.
*
* If a conditions is not met, an error is logged and the function
* returns false. Otherwise the result of
* AppenderSkeleton::checkEntryConditions() is returned.
*
* The checked conditions are:
* - A writer has been set (APPENDER_USE_MISSING_WRITER_ERROR)
*
* The function is called as part of the checkEntryConditions() chain
* started by AppenderSkeleton::doAppend().
*
* \sa AppenderSkeleton::doAppend(),
* AppenderSkeleton::checkEntryConditions()
*/
virtual bool checkEntryConditions() const;
void closeWriter();
#ifndef QT_NO_DEBUG_STREAM
/*!
* Writes all object member variables to the given debug stream
* \a rDebug and returns the stream.
*
* <tt>
* %WriterAppender(name:"WA" encoding:"" immediateFlush:true
* isactive:false isclosed:false layout:"TTCC"
* referencecount:1 threshold:"NULL"
* writer:0x0)
* </tt>
* \sa QDebug, operator<<(QDebug debug, const LogObject &rLogObject )
*/
virtual QDebug debug(QDebug &rDebug) const;
#endif // QT_NO_DEBUG_STREAM
private:
QString connectionName;
QString tableName;
};
/**************************************************************************
* Operators, Helper
**************************************************************************/
/**************************************************************************
* Inline
**************************************************************************/
inline QString DatabaseAppender::connection() const
{ QMutexLocker locker(&mObjectGuard);
return connectionName; }
inline QString DatabaseAppender::table() const
{ QMutexLocker locker(&mObjectGuard);
return tableName; }
} // namespace Log4Qt
#endif // _DATABASEAPPENDER_H
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