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38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/*
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* Copyright (C) 2018-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include "dht/i_partitioner.hh"
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#include "position_in_partition.hh"
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// Represent a position of a mutation_fragment read from a flat mutation
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// reader. Repair nodes negotiate a small range identified by two
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// repair_sync_boundary to work on in each round.
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struct repair_sync_boundary {
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dht::decorated_key pk;
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position_in_partition position;
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class tri_compare {
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dht::ring_position_comparator _pk_cmp;
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position_in_partition::tri_compare _position_cmp;
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public:
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tri_compare(const schema& s) : _pk_cmp(s), _position_cmp(s) { }
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std::strong_ordering operator()(const repair_sync_boundary& a, const repair_sync_boundary& b) const {
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auto ret = _pk_cmp(a.pk, b.pk);
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if (ret == 0) {
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ret = _position_cmp(a.position, b.position);
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}
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return ret;
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}
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};
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friend std::ostream& operator<<(std::ostream& os, const repair_sync_boundary& x) {
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return os << "{ " << x.pk << "," << x.position << " }";
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}
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};
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