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/*
* include/framework/interface/Shard.h
*
* Copyright (C) 2023 Douglas B. Rumbaugh <drumbaugh@psu.edu>
*
* Distributed under the Modified BSD License.
*
*/
#pragma once
#include <concepts>
#include "util/types.h"
#include "framework/interface/Record.h"
namespace de {
// FIXME: The interface is not completely specified yet, as it is pending
// determining a good way to handle additional template arguments
// to get the Record type into play
template <typename S>
concept ShardInterface = requires(S s, S **spp, void *p, bool b, size_t i) {
{S(spp, i)};
/*
{S(mutable buffer)}
{s.point_lookup(r, b) } -> std::convertible_to<void*>
*/
{s.get_data()} -> std::convertible_to<void*>;
{s.get_record_count()} -> std::convertible_to<size_t>;
{s.get_tombstone_count()} -> std::convertible_to<size_t>;
{s.get_memory_usage()} -> std::convertible_to<size_t>;
{s.get_aux_memory_usage()} -> std::convertible_to<size_t>;
};
template <typename S, typename R>
concept SortedShardInterface = ShardInterface<S> && requires(S s, R r, R *rp) {
{s.lower_bound(r)} -> std::convertible_to<size_t>;
{s.upper_bound(r)} -> std::convertible_to<size_t>;
};
}
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