cycle_range.h

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#pragma once

#include <limits>
#include "interop/util/assert.h"
#include "interop/io/format/generic_layout.h"

namespace illumina { namespace interop { namespace model { namespace run
{

    class cycle_range
    {
    public:
        typedef size_t cycle_t;
    public:
        cycle_range(const cycle_t first_cycle = std::numeric_limits<cycle_t>::max(), const cycle_t last_cycle = 0) :
                m_first_cycle(first_cycle),
                m_last_cycle(last_cycle)
        {
        }

    public:
        cycle_t first_cycle() const
        {
            if (empty()) return 0;
            return m_first_cycle;
        }

        cycle_t last_cycle() const
        {
            return m_last_cycle;
        }

        void first_cycle(const cycle_t val)
        {
            m_first_cycle = val;
        }

        void last_cycle(const cycle_t val)
        {
            m_last_cycle = val;
        }
        bool empty()const
        {
            return m_first_cycle == std::numeric_limits<cycle_t>::max();
        }
    public:
        void update(const cycle_t cycle)
        {
            if (cycle > m_last_cycle) m_last_cycle = cycle;
            if (cycle < m_first_cycle) m_first_cycle = cycle;
        }

        void update(const cycle_range &rng)
        {
            if (rng.m_last_cycle > m_last_cycle) m_last_cycle = rng.m_last_cycle;
            if (rng.m_first_cycle < m_first_cycle) m_first_cycle = rng.m_first_cycle;
        }

        friend cycle_range operator-(const cycle_range &lhs, const cycle_t &first_cycle_of_read)
        {
            if (lhs.m_last_cycle < first_cycle_of_read) return lhs;
            return cycle_range(lhs.m_first_cycle - first_cycle_of_read, lhs.m_last_cycle - first_cycle_of_read);
        }

    protected:
        cycle_t m_first_cycle;
        cycle_t m_last_cycle;

        friend class info;
        template<class MetricType, int Version>
        friend struct io::generic_layout;
    };

}}}}