PRMType.cpp

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
 *   {prenom.nom}_at_lip6.fr                                               *
 *                                                                         *
 *   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.             *
 ***************************************************************************/
#include <agrum/PRM/elements/PRMType.h>

#ifdef GUM_NO_INLINE
#  include <agrum/PRM/elements/PRMType_inl.h>
#endif   // GUM_NO_INLINE

namespace gum {

  namespace prm {


    void PRMType::__updateName() {
      const void*       address = static_cast< const void* >(this);
      std::stringstream ss;
      ss << this->name() << "-" << address;
      this->__var->setName(ss.str());
    }


    PRMType::PRMType(const DiscreteVariable& var) :
        PRMObject(var.name()), __var(var.clone()), __superType(0), __label_map(0) {
      GUM_CONSTRUCTOR(PRMType);
      this->__updateName();
    }


    PRMType::PRMType(PRMType&                  super_type,
                     const std::vector< Idx >& label_map,
                     const DiscreteVariable&   var) :
        PRMObject(var.name()),
        __var(var.clone()), __superType(&super_type),
        __label_map(new std::vector< Idx >(label_map)) {
      GUM_CONSTRUCTOR(PRMType);
      this->__updateName();

      if (!__isValid()) {
        delete __label_map;
        __label_map = 0;
        GUM_ERROR(OperationNotAllowed, "Invalid label map.");
      }
    }


    PRMType::PRMType(const PRMType& from) :
        PRMObject(from), __var(from.__var->clone()), __superType(from.__superType),
        __label_map(0) {
      GUM_CONS_CPY(PRMType);
      this->__updateName();

      if (__superType) { __label_map = new std::vector< Idx >(from.label_map()); }
    }


    PRMType::PRMType(PRMType&& from) : PRMObject(from) {
      GUM_CONS_MOV(PRMType);
      GUM_ERROR(FatalError, "Move constructor must not be used");
    }


    PRMType::~PRMType() {
      GUM_DESTRUCTOR(PRMType);
      delete __var;
      if (__label_map) { delete __label_map; }
    }


    PRMType& PRMType::operator=(const PRMType& from) {
      GUM_ERROR(FatalError, "Copy operator must not be used");
    }


    PRMType& PRMType::operator=(PRMType&& from) {
      GUM_ERROR(FatalError, "Move operator must not be used");
    }


    bool PRMType::isSubTypeOf(const PRMType& super) const {
      if ((*this) == super) {
        return true;
      } else if (__superType) {
        return __superType->isSubTypeOf(super);
      } else {
        return false;
      }
    }


    bool PRMType::__isValid() const {
      if (!__superType) { return __var->domainSize() > 1; }

      if (__label_map->size() == __var->domainSize()) {
        for (size_t i = 0; i < __label_map->size(); ++i) {
          if (__label_map->at(i) >= (**__superType).domainSize()) { return false; }
        }

        return true;
      }

      return false;
    }


  } /* namespace prm */
} /* namespace gum */