blob: 5027385ae8ce89f2ce0a9bd3e60a61e6956add3b [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 _LOG4CXX_SPI_ROOT_LOGGER_H
#define _LOG4CXX_SPI_ROOT_LOGGER_H
#include <log4cxx/logger.h>
namespace log4cxx
{
namespace spi
{
/**
RootLogger sits at the top of the logger hierachy. It is a
regular logger except that it provides several guarantees.
<p>First, it cannot be assigned a null
level. Second, since root logger cannot have a parent, the
#getEffectiveLevel method always returns the value of the
level field without walking the hierarchy.
*/
class LOG4CXX_EXPORT RootLogger : public Logger
{
public:
/**
The root logger names itself as "root". However, the root
logger cannot be retrieved by name.
*/
RootLogger(log4cxx::helpers::Pool& pool, const LevelPtr& level);
/**
Return the assigned level value without walking the logger
hierarchy.
*/
virtual const LevelPtr& getEffectiveLevel() const;
/**
Setting a null value to the level of the root logger may have catastrophic
results. We prevent this here.
*/
void setLevel(const LevelPtr& level);
};
} // namespace spi
} // namespace log4cxx
#endif //_LOG4CXX_SPI_ROOT_LOGGER_H