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   1  <?php
   2  /*****************************************************
   3  * This file is part of Agora, web based content management system.
   4  *
   5  * Agora is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * Agora is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details (file "COPYING").
  13  *
  14  * Copyright © Arnaud Martin, Antoine Pitrou et Philippe Rivière.
  15  * List of authors detailed in "copyright_fr.html" file.
  16  * E-mail : agora@sig.premier-ministre.gouv.fr
  17  * Web site : http://www.agora.gouv.fr
  18  *****************************************************/
  19  /**
  20   * Classe de base pour les renderers d'objets métier.
  21   *
  22   * @version      $Id$
  23   * @author       Tristan Rivoallan <trivoallan@clever-age.com>
  24   *
  25   */
  26  class Metier_Renderer {
  27  
  28      /** Objet métier à traiter
  29       * @var     object bd_metier
  30       * @access  private
  31       */
  32      var $_visited = null;
  33  
  34      /**  
  35       * Cette méthode est appelée par la méthode accept() de l'objet métier.
  36       * 
  37       * @param     object bd_metier      $obj
  38       */
  39  	function visit (&$obj) {
  40          if (!is_a($obj, 'bd_metier')) {
  41              trigger_error ('Erreur renderer');
  42          }
  43  
  44          $this->_visited = $obj;
  45      }
  46  
  47      /** 
  48       * @abstract   Cette méthode doit être surchargée par les renderers.
  49       * @return     string 
  50       */
  51  	function render () { }
  52  }
  53  ?>