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#pragma once
#include <base/types.h>
#include <unordered_set>
#include <mutex>
#include <Interpreters/IExternalLoaderConfigRepository.h>
#include <Poco/Timestamp.h>
namespace DB
{
/// XML config repository used by ExternalLoader.
/// Represents xml-files in local filesystem.
class ExternalLoaderXMLConfigRepository : public IExternalLoaderConfigRepository
{
public:
ExternalLoaderXMLConfigRepository(const std::string & app_path_, const std::string & main_config_path_, const std::unordered_set<std::string> & patterns_);
std::string getName() const override { return name; }
/// Return set of .xml files from path in main_config (config_key)
std::set<std::string> getAllLoadablesDefinitionNames() override;
/// Checks that file with name exists on filesystem
bool exists(const std::string & definition_entity_name) override;
/// Return xml-file modification time via stat call
Poco::Timestamp getUpdateTime(const std::string & definition_entity_name) override;
/// May contain definition about several entities (several dictionaries in one .xml file)
LoadablesConfigurationPtr load(const std::string & config_file) override;
void updatePatterns(const std::unordered_set<std::string> & patterns_);
private:
const String name;
const std::string app_path;
const std::string main_config_path;
std::unordered_set<std::string> patterns;
mutable std::mutex patterns_mutex;
};
}
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