code: public void addCache(Object key, String className, Object model) {
  		if (key == null)
  			return;
  		if (ModelUtil.isModel(model.getClass()))
  			modelCacheManager.saveCache(key, className, model);
  		else
  			Debug.logError("addCache error:" + model.getClass() + " not ModelIF or @Model", module);
  
  	}
docs: add the model to the cache