ClickHouse/src/Interpreters/ExternalLoaderXMLConfigRepository.h
2020-08-08 04:01:47 +03:00

43 lines
1.3 KiB
C++

#pragma once
#include <Core/Types.h>
#include <unordered_map>
#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 Poco::Util::AbstractConfiguration & main_config_, const std::string & config_key_);
const 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;
private:
const String name;
/// Main server config (config.xml).
const Poco::Util::AbstractConfiguration & main_config;
/// Key which contains path to directory with .xml configs for entries
std::string config_key;
};
}