1e2741d2fe
An unordered_set is more efficient and there is no need to return an ordered set for this purpose. This change facilitates a follow-up change of adding topology::get_datacenters(), returning an unordered_set of datacenter names. Refs #11987 Signed-off-by: Benny Halevy <bhalevy@scylladb.com> Closes #12003
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/*
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*
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* Modified by ScyllaDB
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* Copyright (C) 2015-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
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*/
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#pragma once
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#include "locator/abstract_replication_strategy.hh"
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#include <optional>
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namespace locator {
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class everywhere_replication_strategy : public abstract_replication_strategy {
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public:
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everywhere_replication_strategy(const replication_strategy_config_options& config_options);
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virtual bool natural_endpoints_depend_on_token() const noexcept override { return false; }
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virtual future<endpoint_set> calculate_natural_endpoints(const token& search_token, const token_metadata& tm) const override;
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virtual void validate_options() const override { /* noop */ }
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std::optional<std::unordered_set<sstring>> recognized_options(const topology&) const override {
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// We explicitely allow all options
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return std::nullopt;
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}
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virtual size_t get_replication_factor(const token_metadata& tm) const override;
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virtual bool allow_remove_node_being_replaced_from_natural_endpoints() const override {
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return true;
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}
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/**
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* We need to override this because the default implementation depends
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* on token calculations but everywhere_replication_strategy may be used before tokens are set up.
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*/
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virtual inet_address_vector_replica_set get_natural_endpoints(const token&, const effective_replication_map&) const override;
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};
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}
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