/*
 * Licensed to Green Energy Corp (www.greenenergycorp.com) under one or
 * more contributor license agreements. See the NOTICE file distributed
 * with this work for additional information regarding copyright ownership.
 * Green Energy Corp licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * This project was forked on 01/01/2013 by Automatak, LLC and modifications
 * may have been made to this file. Automatak, LLC licenses these modifications
 * to you under the terms of the License.
 */
#ifndef OPENPAL_MONOTONICTIMESTAMP_H
#define OPENPAL_MONOTONICTIMESTAMP_H

#include <cstdint>

#include "TimeDuration.h"

namespace openpal
{

/**
*  Strong typing for millisecond-based monotonic timestamps
*/
class MonotonicTimestamp
{

public:

	static MonotonicTimestamp Max();
	static MonotonicTimestamp Min();

	bool IsMax() const;
	bool IsMin() const;

	MonotonicTimestamp();

	explicit MonotonicTimestamp(int64_t milliseconds);

	// overflow capped to maximum value
	MonotonicTimestamp Add(const TimeDuration& duration) const;

	int64_t milliseconds;
};

bool operator==(const MonotonicTimestamp& first, const MonotonicTimestamp& second);
bool operator<(const MonotonicTimestamp& first, const MonotonicTimestamp& second);
bool operator>(const MonotonicTimestamp& first, const MonotonicTimestamp& second);


}

#endif
