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

63 lines
1.6 KiB
C++

/******************************************************************************
*
* 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_NULLAPPENDER_H
#define LOG4QT_NULLAPPENDER_H
#include "log4qt/appenderskeleton.h"
namespace Log4Qt
{
/*!
* \brief The class NullAppender ignores all requests to append.
*
* \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 NullAppender : public AppenderSkeleton
{
Q_OBJECT
public:
NullAppender(QObject *parent = nullptr);
~NullAppender() override;
public:
bool requiresLayout() const override;
protected:
void append(const LoggingEvent &event) override;
private:
Q_DISABLE_COPY(NullAppender)
};
inline bool NullAppender::requiresLayout() const
{
return false;
}
} // namespace Log4Qt
#endif // LOG4QT_NULLAPPENDER_H