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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* 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
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*/
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#include <algorithm>
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#include "local_strategy.hh"
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#include "utils/class_registrator.hh"
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#include "utils/fb_utilities.hh"
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namespace locator {
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local_strategy::local_strategy(const replication_strategy_config_options& config_options) :
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abstract_replication_strategy(config_options, replication_strategy_type::local) {}
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future<endpoint_set> local_strategy::calculate_natural_endpoints(const token& t, const token_metadata& tm) const {
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return make_ready_future<endpoint_set>(endpoint_set({utils::fb_utilities::get_broadcast_address()}));
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}
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void local_strategy::validate_options() const {
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}
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std::optional<std::unordered_set<sstring>> local_strategy::recognized_options(const topology&) const {
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// LocalStrategy doesn't expect any options.
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return {};
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}
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size_t local_strategy::get_replication_factor(const token_metadata&) const {
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return 1;
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}
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inet_address_vector_replica_set local_strategy::get_natural_endpoints(const token&, const effective_replication_map&) const {
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return inet_address_vector_replica_set({utils::fb_utilities::get_broadcast_address()});
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}
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using registry = class_registrator<abstract_replication_strategy, local_strategy, const replication_strategy_config_options&>;
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static registry registrator("org.apache.cassandra.locator.LocalStrategy");
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static registry registrator_short_name("LocalStrategy");
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}
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