source: branches/1.2/workflow/inc/engine/src/common/Observer.php @ 1349

<?php
/**
 * Methods to override: notify($event, $msg)
 * This implements the Observer design pattern defining the Observer class
 * Observer objects can be "attached" to Observable objects to listen for a specific event
 * 
 * @abstract
 * @package Galaxia
 * @license http://www.gnu.org/copyleft/gpl.html GPL  
 */
class Observer {
  ///This will be assigned by an observable object when attaching.
  var $_observerId='';
  
  /**
   * Empty constructor
   * 
   * @param string $event
   * @param string $msg
   * @access protected
   * @return void 
   */
  function notify($event, $msg) {
    // do something...
  }
}
?>