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4dba81cb92
replication strategies don't need to change token_metadata. Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "abstract_replication_strategy.hh"
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#include <optional>
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#include <set>
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namespace locator {
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class simple_strategy : public abstract_replication_strategy {
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protected:
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virtual std::vector<inet_address> calculate_natural_endpoints(const token& search_token, const token_metadata& tm) const override;
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public:
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simple_strategy(const sstring& keyspace_name, const token_metadata& token_metadata, snitch_ptr& snitch, const std::map<sstring, sstring>& config_options);
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virtual ~simple_strategy() {};
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virtual size_t get_replication_factor() const override;
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virtual void validate_options() const override;
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virtual std::optional<std::set<sstring>> recognized_options() 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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private:
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size_t _replication_factor = 1;
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};
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}
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