/*
 * MergeProcess.cc
 *
 *  Created on: Dec 12, 2012
 *      Author: f.casimir
 */
#include <stdlib.h>
#include <string>

#include "AMDA_exception.hh"
#include "DicError.hh"

#include "Operation.hh"
#include "ParameterManager.hh"
#include "MergeProcess.hh"
#include "SchedulerCreator.hh"
#include "ParameterCreatorFromExpression.hh"

using namespace std;
using namespace boost;
using namespace log4cxx;
using namespace AMDA::Parameters;

namespace AMDA {
	namespace Merge {

		MergeProcess::MergeProcess(Parameter &parameter)
		  : MultiParamProcess_CRTP(parameter) {
		}

		MergeProcess::MergeProcess(const MergeProcess& pProcess, Parameter &parameter)
		: MultiParamProcess_CRTP(pProcess,parameter) {
		  //Establish Connection Without Parse
		  MultiParamProcess::establishConnection();
		}

		MergeProcess::~MergeProcess() {
		}

		void MergeProcess::parse() {
			ParameterCreatorFromExpression creator(_parameter.getParameterManager());
			ParameterSPtr lParameter = creator.getOneParameterFromExpression(_parameter,_expression);
			_paramNameList[lParameter->getId()].first = lParameter;
			_orderParamNameList.push_back(lParameter->getId());
			/// get other Parameter in attribute list
			if (_attributList.size() == 0) {
				BOOST_THROW_EXCEPTION(AMDA::AMDA_exception() << AMDA::errno_code(AMDA_PROCESS_ERR) << AMDA::ex_msg(std::string("MergeProcess::parse required at least one attribute'")));
			}
			for ( auto param : _attributList) {
				lParameter = creator.getOneParameterFromExpression(_parameter,param);
				_paramNameList[lParameter->getId()].first = lParameter;
				_orderParamNameList.push_back(lParameter->getId());
			}
		}


		void MergeProcess::establishConnection() {
			parse();
			MultiParamProcess::establishConnection();
		}

		TimeStamp MergeProcess::init() {
			TimeStamp timeStamp = MultiParamProcess::init();

			/// ParamData result Type is the same as the ParamData input
			ParamData* lFirstParamInput = _paramNameList[_orderParamNameList[0]].first->getParamData(this).get();
			SchedulerCreator lSchedulerCreator(*this,*lFirstParamInput);
			_operation = lSchedulerCreator.getOperation();
			_paramData = ParamDataSPtr(_operation->getParamOutput());

			Base::Scheduler* lScheduler = dynamic_cast<Base::Scheduler*>(_operation);
			for ( auto lParamName : _orderParamNameList) {
				lScheduler->push_back(_paramNameList[lParamName].first->getParamData(this).get());
			}
			return timeStamp;
		}

	} /* namespace Merge */
} /* namespace AMDA */