odbcpp: src/object.cpp Source File

00001 //
00002 // File:        src/object.cpp
00003 // Object:      Implementation of the base object
00004 // Project:     http://www.m2osw.com/odbcpp
00005 // Author:      alexis_wilke@sourceforge.net
00006 //
00007 // Copyright (C)   2008 Made to Order Software Corp.
00008 //
00009 // This program is free software: you can redistribute it and/or modify
00010 // it under the terms of the GNU General Public License as published by
00011 // the Free Software Foundation, either version 3 of the License, or
00012 // (at your option) any later version.
00013 //
00014 // This program is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017 // GNU General Public License for more details.
00018 //
00019 // You should have received a copy of the GNU General Public License
00020 // along with this program.  If not, see <http://www.gnu.org/licenses/>
00021 // or <http://gpl3.m2osw.com/>.
00022 //
00023 
00024 #include        "odbcpp/object.h"
00025 #include        <stdlib.h>
00026 #include        <iostream>
00027 
00028 
00029 namespace odbcpp
00030 {
00031 
00032 
00072 object::object() :
00073         f_refcount(1)
00074 {
00075 }
00076 
00077 
00085 object::object(const object& obj) :
00086         f_refcount(1)
00087 {
00088         // avoid some warnings
00089         (void) &obj;
00090 }
00091 
00092 
00103 object::~object()
00104 {
00105         if(f_refcount != 0 && f_refcount != 1) {
00106                 // TODO: should be a throw I think
00107                 std::cerr << "object at " << this << " has a refcount of " << f_refcount << "\n";
00108                 std::terminate();
00109         }
00110 }
00111 
00112 
00113 
00123 object& object::operator = (const object& obj)
00124 {
00125         // avoid some warnings
00126         (void) &obj;
00127         return *this;
00128 }
00129 
00130 
00141 unsigned long object::addref() const
00142 {
00143         if(this == 0) {
00144                 return 0;
00145         }
00146 
00147         return ++f_refcount;
00148 }
00149 
00150 
00162 unsigned long object::release() const
00163 {
00164         if(this == 0) {
00165                 return 0;
00166         }
00167 
00168         unsigned long result = --f_refcount;
00169 
00170         // done with it?
00171         if(result == 0) {
00172                 delete this;
00173         }
00174 
00175         return result;
00176 }
00177 
00178 
00179 
00180 }       // namespace odbcpp
00181 
00182