cppdb/conn_manager.h

//                                                                             
//  Copyright (C) 2010-2011  Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>     
//                                                                             
//  Distributed under:
//
//                   the Boost Software License, Version 1.0.
//              (See accompanying file LICENSE_1_0.txt or copy at 
//                     http://www.boost.org/LICENSE_1_0.txt)
//
//  or (at your opinion) under:
//
//                               The MIT License
//                 (See accompanying file MIT.txt or a copy at
//              http://www.opensource.org/licenses/mit-license.php)
//
#ifndef CPPDB_CONN_MANAGER_H
#define CPPDB_CONN_MANAGER_H

#include <cppdb/defs.h>
#include <cppdb/ref_ptr.h>
#include <cppdb/mutex.h>
#include <map>
#include <string>
#include <memory>

namespace cppdb {
        class pool;
        class connection_info;
        namespace backend {
                class connection;
        }

        class CPPDB_API connections_manager {
                connections_manager();
                // Borland erros on hidden destructors in classes without only static methods.
                #ifndef __BORLANDC__
                ~connections_manager();
                #endif
                connections_manager(connections_manager const &);
                void operator = (connections_manager const &);
        public:
                static connections_manager &instance();
                ref_ptr<backend::connection> open(std::string const &cs);
                ref_ptr<backend::connection> open(connection_info const &ci);
                void gc();
        private:
                struct data;
                std::auto_ptr<data> d;

                mutex lock_;
                typedef std::map<std::string,ref_ptr<pool> > connections_type;
                connections_type connections_;
        };
} // cppdb


#endif