IncrementalRefreshSessionStatistics.h

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// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
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// and international copyright treaties.
//
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//
// Except as otherwise granted within the terms of the Agreement, copying or reproduction of any part
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#pragma once
 
#include <type_traits>
#include <utility>
 
#include <OnixS/CME/MDH/ABI.h>
#include <OnixS/CME/MDH/Domain.h>
#include <OnixS/CME/MDH/Messaging.h>
#include <OnixS/CME/MDH/testing/MessageBuilder.h>
#include <OnixS/CME/MDH/testing/MessageHolder.h>
#include <OnixS/CME/MDH/testing/EventFlags.h>
#include <OnixS/CME/MDH/Watch.h>
 
ONIXS_CME_MDH_TESTING_NAMESPACE_BEGIN

using IncrementalRefreshSessionStatistics = MessageHolder<Messaging::IncrementalRefreshSessionStatistics51>;

namespace details
{
    template <typename Holder>
    using EnableIncrementalRefreshSessionStatistics = EnableMutableMessageHolder<IncrementalRefreshSessionStatistics, Holder>;

    enum class IncrementalRefreshSessionStatisticsInitializationTag {};
 
    template <Messaging::UpdateAction::Enum Action>
    struct IsSessionStatisticsAction : std::integral_constant<bool,
        Action == Messaging::UpdateAction::New || Action == Messaging::UpdateAction::Delete>
    {};
 
    template <Messaging::UpdateAction::Enum Action, typename Holder>
    using EnableSessionStatisticsEntry = typename std::enable_if<
        IsSessionStatisticsAction<Action>::value, EnableIncrementalRefreshSessionStatistics<Holder>>::type;
 
    template <Messaging::UpdateAction::Enum Action, typename Holder>
    Messaging::IncrementalRefreshSessionStatistics51::Entry appendSessionStatisticsEntry(
        Holder& message, SecurityId securityId, Messaging::EntryTypeStatistics::Enum entryType,
        Messaging::UInt32 rptSeq, Messaging::Decimal9 price)
    {
        auto entry = appendGroupEntry(message->entries(), [&message](
            typename decltype(message->entries())::Size size) { return message->entries(size); });
 
        entry.setUpdateAction(Action);
        entry.setEntryType(entryType);
        entry.setSecurityId(securityId);
        entry.setRptSeq(rptSeq);
        entry.setEntryPx(price);
        entry.setOpenCloseSettlFlag(Messaging::OpenCloseSettlFlag::DailyOpenPrice);
        entry.entrySizeNull();
 
        return entry;
    }
}

template <typename Holder, details::IncrementalRefreshSessionStatisticsInitializationTag...>
auto initialize(Holder& message, EventFlags::Bits eventIndicator, Messaging::Timestamp transactTime = UtcWatch::now()) noexcept
    -> details::EnableIncrementalRefreshSessionStatistics<Holder>
{
    return details::initializeMessage<IncrementalRefreshSessionStatistics>(message, eventIndicator, transactTime);
}

template <typename Holder, details::IncrementalRefreshSessionStatisticsInitializationTag...>
ONIXS_CMEMDH_NODISCARD
auto initialize(EventFlags::Bits eventIndicator, Messaging::Timestamp transactTime = UtcWatch::now()) -> decltype(
    details::makeInitializationRecipe<Holder, IncrementalRefreshSessionStatistics>(eventIndicator, transactTime))
{
    return details::makeInitializationRecipe<Holder, IncrementalRefreshSessionStatistics>(eventIndicator, transactTime);
}

template <Messaging::UpdateAction::Enum Action, typename Holder>
auto addEntry(
    Holder& message, SecurityId securityId, Messaging::EntryTypeStatistics::Enum entryType,
    Messaging::UInt32 rptSeq, Messaging::Decimal9 price)
        -> details::EnableSessionStatisticsEntry<Action, Holder>
{
    details::appendSessionStatisticsEntry<Action>(message, securityId, entryType, rptSeq, price);
 
    return message;
}

namespace details
{
    template <Messaging::UpdateAction::Enum Action>
    struct SessionStatisticsEntryOperation
    {
        template <typename Holder, typename... Arguments>
        static auto apply(Holder& message, Arguments&&... arguments) -> decltype(
            addEntry<Action>(message, std::forward<Arguments>(arguments)...),
            appendSessionStatisticsEntry<Action>(message, std::forward<Arguments>(arguments)...))
        {
            return appendSessionStatisticsEntry<Action>(message, std::forward<Arguments>(arguments)...);
        }
    };
 
    template <>
    struct EntryOperationSelector<IncrementalRefreshSessionStatistics::MessageType>
    {
        template <Messaging::UpdateAction::Enum Action, typename Holder, typename... Arguments>
        static auto apply(Holder& message, Arguments&&... arguments) -> typename std::enable_if<
            IsSessionStatisticsAction<Action>::value,
            decltype(SessionStatisticsEntryOperation<Action>::apply(
                message, std::forward<Arguments>(arguments)...))>::type
        {
            return SessionStatisticsEntryOperation<Action>::apply(
                message, std::forward<Arguments>(arguments)...);
        }
    };
}
 
ONIXS_CME_MDH_TESTING_NAMESPACE_END