00001 // database field base class -*- C++ -*- 00002 // $Id: field_base.cc,v 1.1 2004/03/11 10:05:18 roger Exp $ 00003 // 00004 // Copyright (C) 2003 Roger Leigh <rleigh@debian.org> 00005 // 00006 // 00007 // All rights reserved. 00008 // 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions 00011 // are met: 00012 // 00013 // * Redistributions of source code must retain the above copyright 00014 // notice, this list of conditions and the following disclaimer. 00015 // * Redistributions in binary form must reproduce the above 00016 // copyright notice, this list of conditions and the following 00017 // disclaimer in the documentation and/or other materials provided 00018 // with the distribution. 00019 // * Neither the name of the author, nor the names of other 00020 // contributors may be used to endorse or promote products derived 00021 // from this software without specific prior written permission. 00022 // 00023 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 00024 // CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 00025 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00026 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00027 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 00028 // BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00029 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00030 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00031 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 00032 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 00033 // TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00034 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00035 // SUCH DAMAGE. 00036 // 00038 00039 #include <pqxx-object/field_base.h> 00040 00041 using namespace pqxxobject; 00042 00043 field_base::field_base(): 00044 m_column_name(), 00045 m_signal_changed() 00046 { 00047 } 00048 00049 field_base::field_base(const std::string& column_name): 00050 m_column_name(column_name), 00051 m_signal_changed() 00052 { 00053 } 00054 00055 00056 field_base::field_base(const field_base& rhs): 00057 m_column_name(rhs.m_column_name), 00058 m_signal_changed() 00059 { 00060 } 00061 00062 field_base::~field_base() 00063 { 00064 } 00065 00066 field_base& 00067 field_base::operator = (const field_base& rhs) 00068 { 00069 // Don't assign the column name, since this could cause undesirable 00070 // side effects (differently-named columns could quite legitimately 00071 // have their values assigned to one another). 00072 return *this; 00073 } 00074 00075 const std::string& 00076 field_base::get_column_name() const 00077 { 00078 return m_column_name; 00079 } 00080 00081 void 00082 field_base::set_column_name(const std::string& column_name) 00083 { 00084 m_column_name = column_name; 00085 } 00086 00087 00088 SigC::Signal0<void>& 00089 field_base::signal_changed() 00090 { 00091 return m_signal_changed; 00092 } 00093