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#pragma once
#include <Coordination/KeeperConstants.h>
namespace DB
{
/// these values cannot be reordered or removed, only new values can be added
enum class KeeperFeatureFlag : size_t
{
FILTERED_LIST = 0,
MULTI_READ,
CHECK_NOT_EXISTS,
};
class KeeperFeatureFlags
{
public:
KeeperFeatureFlags();
explicit KeeperFeatureFlags(std::string feature_flags_);
/// backwards compatibility
void fromApiVersion(KeeperApiVersion keeper_api_version);
bool isEnabled(KeeperFeatureFlag feature) const;
void setFeatureFlags(std::string feature_flags_);
const std::string & getFeatureFlags() const;
void enableFeatureFlag(KeeperFeatureFlag feature);
void disableFeatureFlag(KeeperFeatureFlag feature);
void logFlags(Poco::Logger * log) const;
private:
std::string feature_flags;
};
}
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