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//
// Filename : Id.h
// Author(s) : Emmanuel Turquin
// Purpose : Identification system
// Date of creation : 01/07/2003
//
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) : Please refer to the COPYRIGHT file distributed
// with this source distribution.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef ID_H
# define ID_H
/*! Class used to tag any object by an id .
* It is made of two unsigned integers.
*/
class Id
{
public:
typedef unsigned id_type;
/*! Default constructor */
Id() {
_first = 0;
_second = 0;
}
/*! Builds an Id from an integer.
* The second number is set to 0.
*/
Id(id_type id) {
_first = id;
_second = 0;
}
/*! Builds the Id from the two numbers */
Id(id_type ifirst, id_type isecond) {
_first = ifirst;
_second = isecond;
}
/*! Copy constructor */
Id(const Id& iBrother) {
_first = iBrother._first;
_second = iBrother._second;
}
/*! Operator= */
Id& operator=(const Id& iBrother) {
_first = iBrother._first;
_second = iBrother._second;
return *this;
}
/*! Returns the first Id number */
id_type getFirst() const {
return _first;
}
/*! Returns the second Id number */
id_type getSecond() const {
return _second;
}
/*! Sets the first number constituing the Id */
void setFirst(id_type first) {
_first = first;
}
/*! Sets the second number constituing the Id */
void setSecond(id_type second) {
_second = second;
}
/*! Operator== */
bool operator==(const Id& id) const {
return ((_first == id._first) && (_second == id._second));
}
/*! Operator!= */
bool operator!=(const Id& id) const {
return !((*this)==id);
}
/*! Operator< */
bool operator<(const Id& id) const {
if (_first < id._first)
return true;
if (_first == id._first && _second < id._second)
return true;
return false;
}
private:
id_type _first;
id_type _second;
};
// stream operator
inline std::ostream& operator<<(std::ostream& s, const Id& id) {
s << "[" << id.getFirst() << ", " << id.getSecond() << "]";
return s;
}
# endif // ID_H
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