60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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* Copyright 2003,2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _LOG4CXX_SPI_ROOT_CATEGORY_H
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#define _LOG4CXX_SPI_ROOT_CATEGORY_H
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#include <log4cxx/logger.h>
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namespace log4cxx
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{
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namespace spi
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{
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/**
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RootCategory sits at the top of the logger hierachy. It is a
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regular logger except that it provides several guarantees.
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<p>First, it cannot be assigned a null
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level. Second, since root logger cannot have a parent, the
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#getEffectiveLevel method always returns the value of the
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level field without walking the hierarchy.
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*/
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class LOG4CXX_EXPORT RootCategory : public Logger
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{
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public:
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/**
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The root logger names itself as "root". However, the root
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logger cannot be retrieved by name.
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*/
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RootCategory(const LevelPtr& level);
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/**
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Return the assigned level value without walking the category
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hierarchy.
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*/
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virtual const LevelPtr& getEffectiveLevel();
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/**
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Setting a null value to the level of the root category may have catastrophic
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results. We prevent this here.
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*/
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void setLevel(const LevelPtr& level);
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};
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} // namespace spi
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}; // namespace log4cxx
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#endif //_LOG4CXX_SPI_ROOT_CATEGORY_H
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