<?php

require_once "RequestOutputDownloadNodeClass.php";
require_once "RequestOutputPlotNodeClass.php";
require_once "RequestOutputDataMiningNodeClass.php";
require_once "RequestOutputStatisticNodeClass.php";

define ("REQUESTOUTPUTS_NAME", "outputs");

abstract class RequestOutputTypeEnum
{
	const DOWNLOAD   = "Download";
	const DATAMINING = "DataMining";
	const PLOT       = "Plot";
	const STATISTIC  = "Statistic";
}

/**
 * @class RequestOutputsNodeClass
 * @brief Definition of a request outputs node for AMDA_Kernel
 * @details
 */
class RequestOutputsNodeClass extends NodeClass
{
	public function __construct()
	{
		parent::__construct(REQUESTOUTPUTS_NAME);
	}

	public function addNewOutput($type)
	{
		switch ($type)
		{
			case RequestOutputTypeEnum::DOWNLOAD :
				$output = new RequestOutputDownloadNodeClass();
				break;
			case RequestOutputTypeEnum::DATAMINING :
				$output = new RequestOutputDataMiningNodeClass();
				break;
			case RequestOutputTypeEnum::PLOT :
				$output = new RequestOutputPlotNodeClass();
				break;
			case RequestOutputTypeEnum::STATISTIC :			
				$output = new RequestOutputStatisticNodeClass();
				break;	
			default :
				throw new Exception('Output node not implemented');
		}

		if (isset($output) && ($output != NULL))
			$this->addChild($output);

		return $output;
	}
	
	public function loadFromNode($xmlNode)
	{
		foreach ($this->getXmlNodeChildren($xmlNode) as $outputXmlNode) {
			switch ($this->getXmlNodeName($outputXmlNode)) {
				case REQUESTOUTPUTDOWNLOAD_NAME :
					$this->addNewOutput(RequestOutputTypeEnum::DOWNLOAD)->loadFromNode($outputXmlNode);
					break;
				case REQUESTOUTPUTDATAMINING_NAME :
					$this->addNewOutput(RequestOutputTypeEnum::DATAMINING)->loadFromNode($outputXmlNode);
					break;
				case REQUESTOUTPUTPLOT_NAME :
					$this->addNewOutput(RequestOutputTypeEnum::PLOT)->loadFromNode($outputXmlNode);
					break;
				case REQUESTOUTPUTSTATISTIC_NAME :
					$this->addNewOutput(RequestOutputTypeEnum::STATISTIC)->loadFromNode($outputXmlNode);
					break;
				default :
					throw new Exception('Output node not implemented');
			}
			
		}
	}
}

?>