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42 lines
1.7 KiB
C++
42 lines
1.7 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of clio: https://github.com/XRPLF/clio
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Copyright (c) 2022-2024, the clio developers.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#pragma once
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#include <boost/asio/spawn.hpp>
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#include <concepts>
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#include <tuple>
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#include <type_traits>
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namespace migration::cassandra::impl {
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// Define the concept for a class like TableObjectsDesc
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template <typename T>
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concept TableSpec = requires {
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// Check that 'row' exists and is a tuple
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// keys types are at the begining and the other fields types sort in alphabetical order
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typename T::Row;
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requires std::tuple_size<typename T::Row>::value >= 0; // Ensures 'row' is a tuple
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// Check that static constexpr members 'partitionKey' and 'tableName' exist
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{ T::kPARTITION_KEY } -> std::convertible_to<char const*>;
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{ T::kTABLE_NAME } -> std::convertible_to<char const*>;
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};
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} // namespace migration::cassandra::impl
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