/******************************************************************************
 * Icinga 2                                                                   *
 * Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/)        *
 *                                                                            *
 * This program is free software; you can redistribute it and/or              *
 * modify it under the terms of the GNU General Public License                *
 * as published by the Free Software Foundation; either version 2             *
 * of the License, or (at your option) any later version.                     *
 *                                                                            *
 * This program is distributed in the hope that it will be useful,            *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
 * GNU General Public License for more details.                               *
 *                                                                            *
 * You should have received a copy of the GNU General Public License          *
 * along with this program; if not, write to the Free Software Foundation     *
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ******************************************************************************/

#include "i2-dyn.h"

using namespace icinga;

Expression::Expression(string key, ExpressionOperator op, Variant value)
{
	Key = key;
	Operator = op;
	Value = value;
}

void Expression::Execute(const Dictionary::Ptr& dictionary)
{
	Variant oldValue, newValue;
	dictionary->GetProperty(Key, &oldValue);

	switch (Operator) {
		case OperatorSet:
			if (oldValue.GetType() == VariantObject) {
				Object::Ptr object = oldValue;
				ExpressionList::Ptr exprl = dynamic_pointer_cast<ExpressionList>(object);

				if (exprl)
					newValue = exprl->Execute();
			}

		default:
			assert(!"Not yet implemented.");

	}

	dictionary->SetProperty(Key, newValue);
}