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#pragma once
#include "clickhouse_config.h"
#if USE_NLP
#include <base/types.h>
#include <Poco/Util/Application.h>
#include <memory>
#include <mutex>
#include <string_view>
#include <vector>
#include <unordered_map>
namespace DB
{
class ISynonymsExtension
{
public:
using Synset = std::vector<String>;
virtual const Synset * getSynonyms(std::string_view token) const = 0;
virtual ~ISynonymsExtension() = default;
};
class SynonymsExtensions
{
public:
using ExtPtr = std::shared_ptr<ISynonymsExtension>;
explicit SynonymsExtensions(const Poco::Util::AbstractConfiguration & config);
ExtPtr getExtension(const String & name);
private:
struct Info
{
String path;
String type;
};
using ExtContainer = std::unordered_map<String, ExtPtr>;
using InfoContainer = std::unordered_map<String, Info>;
std::mutex mutex;
ExtContainer extensions;
InfoContainer info;
};
}
#endif
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