55 lines
2.4 KiB
C++
55 lines
2.4 KiB
C++
// Copyright 2023 Memgraph Ltd.
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//
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// Use of this software is governed by the Business Source License
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// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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// License, and you may not use this file except in compliance with the Business Source License.
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//
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// As of the Change Date specified in that file, in accordance with
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// the Business Source License, use of this software will be governed
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// by the Apache License, Version 2.0, included in the file
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// licenses/APL.txt.
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#include "flags/isolation_level.hpp"
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#include "utils/enum.hpp"
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#include "utils/flag_validation.hpp"
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#include "gflags/gflags.h"
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#include <array>
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#include <string_view>
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inline constexpr std::array isolation_level_mappings{
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std::pair{std::string_view{"SNAPSHOT_ISOLATION"}, memgraph::storage::IsolationLevel::SNAPSHOT_ISOLATION},
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std::pair{std::string_view{"READ_COMMITTED"}, memgraph::storage::IsolationLevel::READ_COMMITTED},
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std::pair{std::string_view{"READ_UNCOMMITTED"}, memgraph::storage::IsolationLevel::READ_UNCOMMITTED}};
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const std::string isolation_level_help_string =
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fmt::format("Default isolation level used for the transactions. Allowed values: {}",
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memgraph::utils::GetAllowedEnumValuesString(isolation_level_mappings));
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// NOLINTNEXTLINE (cppcoreguidelines-avoid-non-const-global-variables)
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DEFINE_VALIDATED_string(isolation_level, "SNAPSHOT_ISOLATION", isolation_level_help_string.c_str(), {
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if (const auto result = memgraph::utils::IsValidEnumValueString(value, isolation_level_mappings); result.HasError()) {
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switch (result.GetError()) {
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case memgraph::utils::ValidationError::EmptyValue: {
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std::cout << "Isolation level cannot be empty." << std::endl;
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break;
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}
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case memgraph::utils::ValidationError::InvalidValue: {
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std::cout << "Invalid value for isolation level. Allowed values: "
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<< memgraph::utils::GetAllowedEnumValuesString(isolation_level_mappings) << std::endl;
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break;
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}
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}
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return false;
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}
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return true;
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});
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memgraph::storage::IsolationLevel memgraph::flags::ParseIsolationLevel() {
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const auto isolation_level =
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memgraph::utils::StringToEnum<memgraph::storage::IsolationLevel>(FLAGS_isolation_level, isolation_level_mappings);
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MG_ASSERT(isolation_level, "Invalid isolation level");
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return *isolation_level;
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}
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