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118e94523c
This check suggests replacing <Container>.count() by <Container>.contains() which is more speaking and in case of multimaps/multisets also faster.
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
#include "SharedLibraryHandlerFactory.h"
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namespace DB
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{
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SharedLibraryHandlerPtr SharedLibraryHandlerFactory::get(const std::string & dictionary_id)
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{
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std::lock_guard lock(mutex);
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auto library_handler = library_handlers.find(dictionary_id);
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if (library_handler != library_handlers.end())
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return library_handler->second;
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return nullptr;
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}
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void SharedLibraryHandlerFactory::create(
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const std::string & dictionary_id,
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const std::string & library_path,
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const std::vector<std::string> & library_settings,
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const Block & sample_block,
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const std::vector<std::string> & attributes_names)
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{
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std::lock_guard lock(mutex);
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if (!library_handlers.contains(dictionary_id))
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library_handlers.emplace(std::make_pair(dictionary_id, std::make_shared<SharedLibraryHandler>(library_path, library_settings, sample_block, attributes_names)));
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else
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LOG_WARNING(&Poco::Logger::get("SharedLibraryHandlerFactory"), "Library handler with dictionary id {} already exists", dictionary_id);
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}
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bool SharedLibraryHandlerFactory::clone(const std::string & from_dictionary_id, const std::string & to_dictionary_id)
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{
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std::lock_guard lock(mutex);
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auto from_library_handler = library_handlers.find(from_dictionary_id);
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if (from_library_handler == library_handlers.end())
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return false;
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/// libClone method will be called in copy constructor
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library_handlers[to_dictionary_id] = std::make_shared<SharedLibraryHandler>(*from_library_handler->second);
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return true;
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}
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bool SharedLibraryHandlerFactory::remove(const std::string & dictionary_id)
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{
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std::lock_guard lock(mutex);
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/// libDelete is called in destructor.
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return library_handlers.erase(dictionary_id);
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}
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SharedLibraryHandlerFactory & SharedLibraryHandlerFactory::instance()
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{
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static SharedLibraryHandlerFactory ret;
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return ret;
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}
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}
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