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https://github.com/scylladb/scylladb.git
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432c000dfa
these unused includes were identified by clangd. see https://clangd.llvm.org/guides/include-cleaner#unused-include-warning for more details on the "Unused include" warning. Signed-off-by: Kefu Chai <kefu.chai@scylladb.com> Closes scylladb/scylladb#17888
32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
/*
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* Copyright (C) 2021-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_fwd.hh"
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#include "locator/token_range_splitter.hh"
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class query_ranges_to_vnodes_generator {
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schema_ptr _s;
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dht::partition_range_vector _ranges;
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dht::partition_range_vector::iterator _i; // iterator to current range in _ranges
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bool _local;
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std::unique_ptr<locator::token_range_splitter> _splitter;
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void process_one_range(size_t n, dht::partition_range_vector& ranges);
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public:
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query_ranges_to_vnodes_generator(std::unique_ptr<locator::token_range_splitter> splitter, schema_ptr s, dht::partition_range_vector ranges, bool local = false);
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query_ranges_to_vnodes_generator(const query_ranges_to_vnodes_generator&) = delete;
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query_ranges_to_vnodes_generator(query_ranges_to_vnodes_generator&&) = default;
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// generate next 'n' vnodes, may return less than requested number of ranges
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// which means either that there are no more ranges
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// (in which case empty() == true), or too many ranges
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// are requested
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dht::partition_range_vector operator()(size_t n);
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bool empty() const;
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};
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