PreVerify/lib/log4Qt/include/helpers/classlogger.h
2024-09-09 19:18:28 +08:00

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/******************************************************************************
*
* This file is part of Log4Qt library.
*
* Copyright (C) 2007 - 2020 Log4Qt contributors
*
* 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 LOG4QT_CLASSLOGGER_H
#define LOG4QT_CLASSLOGGER_H
#include "log4qt/log4qtshared.h"
#include <QAtomicPointer>
class QObject;
namespace Log4Qt
{
class Logger;
/*!
* \brief The class ClassLogger provides logging for a QObject derived
* class.
*
* The class ClassLogger provides a logger for a specified QObject derived
* object. It is used by \ref LOG4QT_DECLARE_QCLASS_LOGGER to implement the
* member functions provided by the macro.
*
* \note All the functions declared in this class are thread-safe.
*
* \sa LOG4QT_DECLARE_QCLASS_LOGGER
*/
class LOG4QT_EXPORT ClassLogger
{
public:
/*!
* Creates a ClassLogger object.
*/
ClassLogger();
/*!
* Returns a pointer to a Logger named after the class of the object
* \a pObject.
*
* On the first invocation the Logger is requested by a call to
* LogManager::logger(const char *pName). The pointer is stored to be
* returned on subsequent invocations.
*
* \sa LogManager::logger(const char *pName)
*/
Logger *logger(const QObject *object);
private:
mutable QAtomicPointer<Logger> mLogger;
};
} // namespace Log4Qt
#endif // LOG4QT_CLASSLOGGER_H