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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
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#pragma once
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#include <Core/Types.h>
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#include <unordered_map>
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#include <Interpreters/IExternalLoaderConfigRepository.h>
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#include <Poco/Timestamp.h>
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namespace DB
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{
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/// XML config repository used by ExternalLoader.
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/// Represents xml-files in local filesystem.
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class ExternalLoaderXMLConfigRepository : public IExternalLoaderConfigRepository
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{
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public:
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ExternalLoaderXMLConfigRepository(const Poco::Util::AbstractConfiguration & main_config_, const std::string & config_key_)
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: main_config(main_config_)
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, config_key(config_key_)
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{
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}
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std::set<std::string> getAllLoadablesDefinitionNames() const override;
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bool exists(const std::string & definition_entity_name) const override;
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bool isUpdated(const std::string & definition_entity_name) override;
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/// May contain definition about several entities (several dictionaries in one .xml file)
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LoadablesConfigurationPtr load(const std::string & definition_entity_name) const override;
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private:
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/// Simple map with last modification time with path -> timestamp,
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/// modification time received by stat.
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std::unordered_map<std::string, Poco::Timestamp> update_time_mapping;
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/// Main server config (config.xml).
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const Poco::Util::AbstractConfiguration & main_config;
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/// Key which contains path to dicrectory with .xml configs for entries
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std::string config_key;
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};
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}
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