GlobalID.h

#pragma once

#include <vector>

#include <Poco/UUID.h>
#include <Poco/UUIDGenerator.h>

namespace BeeeOn {

class GlobalID {
public:
        enum {
                BYTES_SIZE = 16,
                WORDS_SIZE = 4,
        };

        struct Hash {
                unsigned int operator() (const GlobalID &id)
                {
                        return id.hash();
                }
        };

        GlobalID()
        {
        }

        GlobalID(const Poco::UUID &uuid):
                m_uuid(uuid)
        {
        }

        GlobalID(const GlobalID &gid):
                m_uuid(gid.m_uuid)
        {
        }

        bool isNull() const
        {
                return m_uuid.isNull();
        }

        static GlobalID random()
        {
                return GlobalID(Poco::UUIDGenerator::defaultGenerator()
                                .createRandom());
        }

        static GlobalID parse(const std::string &s)
        {
                GlobalID gid;
                gid.m_uuid.parse(s);
                return gid;
        }

        static GlobalID fromBytes(const std::vector<uint8_t> &in);
        std::vector<uint8_t> toBytes() const;

        unsigned int hash() const;

        std::string toString() const
        {
                return m_uuid.toString();
        }

        bool operator !=(const GlobalID &id) const
        {
                return m_uuid != id.m_uuid;
        }

        bool operator ==(const GlobalID &id) const
        {
                return m_uuid == id.m_uuid;
        }

        bool operator <(const GlobalID &id) const
        {
                return m_uuid < id.m_uuid;
        }

        bool operator >(const GlobalID &id) const
        {
                return m_uuid > id.m_uuid;
        }

        bool operator <=(const GlobalID &id) const
        {
                return m_uuid <= id.m_uuid;
        }

        bool operator >=(const GlobalID &id) const
        {
                return m_uuid >= id.m_uuid;
        }

private:
        Poco::UUID m_uuid;
};

}