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Flex Model Singleton

/ Published in: ActionScript
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  1. package
  2. {
  3.   [Bindable]
  4.   public class MainModel
  5.   {
  6.     private static var _instance:MainModel = new MainModel(ModelEnforcer);
  7.  
  8.     public static function getInstance():MainModel
  9.     {
  10.       return _instance;
  11.     }
  12.  
  13.     public function MainModel(enforcer:Class)
  14.     {
  15.       if(enforcer != ModelEnforcer) {
  16.         throw new Error("Use MainModel.getInstance to access model");
  17.       }
  18.     }
  19.  
  20.   }
  21. }
  22.  
  23. class ModelEnforcer {}

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