/// <summary> Returns the IAnswerData preload value for the given preload type and parameters
///
/// </summary>
/// <param name="preloadType">The type of the preload to be returned
/// </param>
/// <param name="preloadParams">Parameters for the preload handler
/// </param>
/// <returns> An IAnswerData corresponding to a pre-loaded value for the given
/// Arguments. null if no preload could successfully be derived due to either
/// the lack of a handler, or to invalid parameters
/// </returns>
public virtual IAnswerData getQuestionPreload(System.String preloadType, System.String preloadParams)
{
IPreloadHandler handler = (IPreloadHandler)preloadHandlers.get(preloadType);
if (handler != null)
{
return(handler.handlePreload(preloadParams));
}
else
{
System.Console.Error.WriteLine("Do not know how to handle preloader [" + preloadType + "]");
return(null);
}
}
public virtual bool questionPostProcess(TreeElement node, System.String preloadType, System.String params_Renamed)
{
IPreloadHandler handler = (IPreloadHandler)preloadHandlers.get(preloadType);
if (handler != null)
{
return(handler.handlePostProcess(node, params_Renamed));
}
else
{
System.Console.Error.WriteLine("Do not know how to handle preloader [" + preloadType + "]");
return(false);
}
}
/// <summary> Adds a new preload handler to this preloader.
///
/// </summary>
/// <param name="handler">an IPreloadHandler that can handle a preload type
/// </param>
public virtual void addPreloadHandler(IPreloadHandler handler)
{
preloadHandlers.put(handler.preloadHandled(), handler);
}
