Source for file InvalidCompHandler.inc

<?php
  /**
   * Implements the InvalidComp handler
   *
   * This file is part of CompInaBox.
   * @copyright CompInaBox Copyright 2001-2005. Eric D. Nielsen, All rights reserverd.
   * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   *
   * @author Eric D. Nielsen <nielsene@alum.mit.edu>
   * @package InputControllers
   * @subpackage Handlers
  */
  /**
   * Implements the InvalidComp handler
   *
   * @package InputControllers
   * @subpackage Handlers
   */
class InvalidCompHandler {
  var $_status;
 
  function InvalidCompHandler($thresh="") {
    $this->_status=$thresh;
  }
 
  function canHandle(&$context, $request) {    
    $centralDB =& $context->getCentralDB();
    $pb =& $context->getCorePhraseBook();
    if (""==$this->_status)
      $query = $pb->getQuery("Comp Exists?", 
                 array("CompName"=>$request->getCompUnix()));
    else
      $query = $pb->getQuery("Hosted Comp Exists?",
                 array("CompName"=>$request->getCompUnix(),
                   "StatusThreshold"=>$this->_status));
 
    $qr =& $centralDB->query($query);
    return $qr->numrows()==0;
  }
 
  function execute(&$context, $request) {
    return "InvalidCompName";
  }
}
?>