HierarchyMaintainer.hh

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/*
 * HierarchyMaintainer.hh
 *
 * Copyright 2000, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
 * Copyright 2000, Bastiaan Bakker. All rights reserved.
 *
 * See the COPYING file for the terms of usage and distribution.
 */

#ifndef _LOG4CPP_HIERARCHYMAINTAINER_HH
#define _LOG4CPP_HIERARCHYMAINTAINER_HH

#include <log4cpp/Portability.hh>
#include <string>
#include <map>
#include <vector>
#include <log4cpp/Category.hh>
#include <log4cpp/threading/Threading.hh>

namespace log4cpp {

    class HierarchyMaintainer {
        friend class Log4cppCleanup;

        public:
        typedef std::map<std::string, Category*> CategoryMap;
        typedef void (*shutdown_fun_ptr)();
  
        static HierarchyMaintainer& getDefaultMaintainer();

        HierarchyMaintainer();
        virtual ~HierarchyMaintainer();
        virtual Category* getExistingInstance(const std::string& name);
        virtual Category& getInstance(const std::string& name);
        virtual std::vector<Category*>* getCurrentCategories() const;
        virtual void shutdown();
        void register_shutdown_handler(shutdown_fun_ptr handler);
        virtual void deleteAllCategories();

                typedef Category* (*creator_function_t)(const std::string& name,
                                                                                                                          log4cpp::Category* parent,
                                                                                                                          log4cpp::Priority::Value priority);

                static void set_category_factory(creator_function_t creator_function);

        protected:
        virtual Category* _getExistingInstance(const std::string& name);
        virtual Category& _getInstance(const std::string& name);
        CategoryMap _categoryMap;
        mutable threading::Mutex _categoryMutex;

        private:
        typedef std::vector<shutdown_fun_ptr> handlers_t;
     
        static HierarchyMaintainer* _defaultMaintainer;
        handlers_t handlers_;

                static Category* make_category(const std::string& name,
                                                                           log4cpp::Category* parent,
                                                                           log4cpp::Priority::Value priority);
                static creator_function_t       _creator_function;
    };        
}

#endif // _LOG4CPP_HIERARCHYMAINTAINER_HH