108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
// eoAged.h
|
||
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// eoAge.h
|
||
// (c) GeNeura Team, 1998
|
||
/*
|
||
This library is free software; you can redistribute it and/or
|
||
modify it under the terms of the GNU Lesser General Public
|
||
License as published by the Free Software Foundation; either
|
||
version 2 of the License, or (at your option) any later version.
|
||
|
||
This library 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
|
||
Lesser General Public License for more details.
|
||
|
||
You should have received a copy of the GNU Lesser General Public
|
||
License along with this library; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
||
Contact: todos@geneura.ugr.es, http://geneura.ugr.es
|
||
*/
|
||
//-----------------------------------------------------------------------------
|
||
|
||
#ifndef EOAGED_H
|
||
#define EOAGED_H
|
||
|
||
//-----------------------------------------------------------------------------
|
||
|
||
#include <iostream> // istream, ostream
|
||
#include <std::string> // para std::string
|
||
|
||
using namespace std;
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// eoAge
|
||
//-----------------------------------------------------------------------------
|
||
|
||
/** eoAge is a template class that adds an age to an object.\\
|
||
Requisites for template instantiation are that the object must admit a default ctor
|
||
and a copy ctor. The Object must be an eoObject, thus, it must have its methods: className,
|
||
printOn, readFrom.
|
||
@see eoObject
|
||
*/
|
||
template <class Object>
|
||
class eoAged: public Object
|
||
{
|
||
public:
|
||
/// Main ctor from an already built Object.
|
||
eoAged( const Object& _o): Object( _o ), age(0) {};
|
||
|
||
/// Copy constructor.
|
||
eoAged( const eoAged& _a): Object( _a ), age( _a.age ) {};
|
||
|
||
/// Virtual dtor. They are needed in virtual class hierarchies
|
||
virtual ~eoAged() {};
|
||
|
||
|
||
///returns the age of the object
|
||
unsigned long Age() const {return age;}
|
||
|
||
/// Increments age
|
||
const eoAged& operator ++ () { age++; return *this;}
|
||
|
||
/** @name Methods from eoObject
|
||
readFrom and printOn are directly inherited from eo1d
|
||
*/
|
||
//@{
|
||
/** Return the class id. This should be redefined in each class; but
|
||
it's got code as an example of implementation. Only "leaf" classes
|
||
can be non-virtual.
|
||
*/
|
||
virtual std::string className() const { return std::string("eoAged")+Object::className(); };
|
||
|
||
/**
|
||
* Read object.
|
||
* @param _is A istream.
|
||
* @throw runtime_exception If a valid object can't be read.
|
||
*/
|
||
virtual void readFrom(istream& _is) {
|
||
Object::readFrom( _is );
|
||
_is >> age;
|
||
}
|
||
|
||
|
||
/**
|
||
* Write object. It's called printOn since it prints the object _on_ a stream.
|
||
* @param _os A ostream.
|
||
*/
|
||
virtual void printOn(ostream& _os) const{
|
||
Object::printOn( _os );
|
||
_os << age;
|
||
}
|
||
//@}
|
||
|
||
private:
|
||
|
||
/** Default Constructor. \\
|
||
It<49>s private so that it is not used anywhere; the right way of using this object
|
||
is to create an Object and passing it to an aged by means of the copy ctor; that way
|
||
it<69>s turned into an Aged object*/
|
||
eoAged(): Object(), age(0) {};
|
||
|
||
unsigned long age;
|
||
};
|
||
|
||
#endif EOAGE_H
|