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/*
* Copyright (C) 2018 Codership Oy <info@codership.com>
*
* This file is part of wsrep-lib.
*
* Wsrep-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* Wsrep-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef WSREP_SR_KEY_SET_HPP
#define WSREP_SR_KEY_SET_HPP
#include <set>
#include <map>
namespace wsrep
{
class sr_key_set
{
public:
typedef std::set<std::string> leaf_type;
typedef std::map<std::string, leaf_type > branch_type;
sr_key_set()
: root_()
{ }
void insert(const wsrep::key& key)
{
assert(key.size() >= 2);
if (key.size() < 2)
{
throw wsrep::runtime_error("Invalid key size");
}
root_[std::string(
static_cast<const char*>(key.key_parts()[0].data()),
key.key_parts()[0].size())].insert(
std::string(static_cast<const char*>(key.key_parts()[1].data()),
key.key_parts()[1].size()));
}
const branch_type& root() const { return root_; }
void clear() { root_.clear(); }
bool empty() const { return root_.empty(); }
private:
branch_type root_;
};
}
#endif // WSREP_KEY_SET_HPP
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