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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <mutex>
#include <map>
#include <vector>
#include "point_map.h"
namespace vespalib {
namespace metrics {
// internal
class HashedPointMap {
private:
const PointMap _map;
size_t _hash;
public:
HashedPointMap(PointMap &&from);
bool operator< (const HashedPointMap &other) const;
const PointMap &backingMap() const { return _map; }
};
// internal
class PointMapCollection {
private:
using PointMapMap = std::map<HashedPointMap, size_t>;
mutable std::mutex _lock;
PointMapMap _map;
std::vector<PointMapMap::const_iterator> _vec;
public:
const PointMap &lookup(size_t id) const;
size_t resolve(PointMap map);
size_t size() const;
PointMapCollection() = default;
~PointMapCollection() {}
};
} // namespace vespalib::metrics
} // namespace vespalib
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