UuidGenerator.hpp

/*
 * Copyright (c) 2016 Mark Heily <mark@heily.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#pragma once

#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <iostream>
#include <sstream>

class UuidGenerator {
public:
	UuidGenerator() {
	}
	~UuidGenerator() {
	}

	void generate() {
		boost::uuids::random_generator gen;
		this->uuid = gen();
	}

	std::string getValue() const {
		return to_string(uuid);
	}

	void setValue(std::string value) {
	    std::istringstream iss(value);
	    iss >> uuid;
	    if (!iss.good()) {
	    	throw std::runtime_error("invalid UUID");
	    }
	}

private:
	boost::uuids::uuid uuid;
};