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#pragma once
#include <Storages/Cache/IRemoteFileMetadata.h>
#include <memory>
#include <functional>
#include <unordered_map>
namespace DB
{
class RemoteFileMetadataFactory : private boost::noncopyable
{
public:
using MetadataCreator = std::function<IRemoteFileMetadataPtr()>;
~RemoteFileMetadataFactory() = default;
static RemoteFileMetadataFactory & instance();
IRemoteFileMetadataPtr get(const String & name);
void registerRemoteFileMatadata(const String &name, MetadataCreator creator);
protected:
RemoteFileMetadataFactory() = default;
private:
std::unordered_map<String, MetadataCreator> remote_file_metadatas;
};
}
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