mirror of
https://github.com/codership/wsrep-lib.git
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61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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* Copyright (C) 2018 Codership Oy <info@codership.com>
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*
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* This file is part of wsrep-lib.
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*
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* Wsrep-lib is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* Wsrep-lib 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 wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef WSREP_SR_KEY_SET_HPP
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#define WSREP_SR_KEY_SET_HPP
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#include <set>
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#include <map>
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namespace wsrep
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{
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class sr_key_set
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{
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public:
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typedef std::set<std::string> leaf_type;
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typedef std::map<std::string, leaf_type > branch_type;
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sr_key_set()
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: root_()
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{ }
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void insert(const wsrep::key& key)
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{
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assert(key.size() >= 2);
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if (key.size() < 2)
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{
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throw wsrep::runtime_error("Invalid key size");
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}
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root_[std::string(
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static_cast<const char*>(key.key_parts()[0].data()),
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key.key_parts()[0].size())].insert(
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std::string(static_cast<const char*>(key.key_parts()[1].data()),
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key.key_parts()[1].size()));
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}
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const branch_type& root() const { return root_; }
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void clear() { root_.clear(); }
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bool empty() const { return root_.empty(); }
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private:
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branch_type root_;
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};
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}
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#endif // WSREP_KEY_SET_HPP
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