93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
// eoSelectFactory.h
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// EOFactory.h
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// (c) GeNeura Team, 1998
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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*/
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//-----------------------------------------------------------------------------
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#ifndef _EOSELECTFACTORY_H
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#define _EOSELECTFACTORY_H
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#include "eoFactory.h"
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#include "eoRandomSelect.h"
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#include "eoTournament.h"
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//-----------------------------------------------------------------------------
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/** EO Factory.An instance of the factory class to create selectors, that is,
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eoSelect objects
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@see eoSelect
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@ingroup Selectors
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@ingroup Utilities
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*/
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template< class EOT>
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class eoSelectFactory: public eoFactory<eoSelect< EOT> > {
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public:
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/// @name ctors and dtors
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//{@
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/// constructor
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eoSelectFactory( ) {}
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/// destructor
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virtual ~eoSelectFactory() {}
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//@}
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/** Another factory methods: creates an object from an std::istream, reading from
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it whatever is needed to create the object. Usually, the format for the std::istream will be\\
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objectType parameter1 parameter2 ... parametern\\
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*/
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virtual eoSelect<EOT>* make(std::istream& _is) {
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eoSelect<EOT> * selectPtr;
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std::string objectTypeStr;
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_is >> objectTypeStr;
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// All selectors have a rate, the proportion of the original population
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float rate;
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_is >> rate;
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if ( objectTypeStr == "eoTournament") {
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// another parameter is necessary
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unsigned tSize;
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_is >> tSize;
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selectPtr = new eoTournament<EOT>( rate, tSize );
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} else {
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if ( objectTypeStr == "eoRandomSelect" ) {
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selectPtr = new eoRandomSelect<EOT>( rate );
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} else {
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throw eoException( "Incorrect selector type" );
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}
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}
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return selectPtr;
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}
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///@name eoObject methods
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//@{
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void printOn( std::ostream& _os ) const {};
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void readFrom( std::istream& _is ){};
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/** className is inherited */
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//@}
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};
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#endif
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