common_durability_options.hxx

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/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2020-Present Couchbase, Inc.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
 
#pragma once
 
#include <couchbase/common_options.hxx>
#include <couchbase/durability_level.hxx>
#include <couchbase/persist_to.hxx>
#include <couchbase/replicate_to.hxx>
 
#include <chrono>
#include <optional>
#include <type_traits>
 
namespace couchbase
{
template<typename derived_class>
class common_durability_options : public common_options<derived_class>
{
public:
  struct built : public common_options<derived_class>::built {
    const couchbase::durability_level durability_level;
    const couchbase::persist_to persist_to;
    const couchbase::replicate_to replicate_to;
  };
 
  auto durability(durability_level level) -> derived_class&
  {
    replicate_to_ = replicate_to::none;
    persist_to_ = persist_to::none;
    durability_level_ = level;
    return common_options<derived_class>::self();
  }
 
  auto durability(persist_to persist_to_nodes, replicate_to replicate_to_nodes) -> derived_class&
  {
    durability_level_ = durability_level::none;
    replicate_to_ = replicate_to_nodes;
    persist_to_ = persist_to_nodes;
    return common_options<derived_class>::self();
  }
 
protected:
  [[nodiscard]] auto build_common_durability_options() const -> built
  {
    return { common_options<derived_class>::build_common_options(),
             durability_level_,
             persist_to_,
             replicate_to_ };
  }
 
private:
  durability_level durability_level_{ durability_level::none };
  persist_to persist_to_{ persist_to::none };
  replicate_to replicate_to_{ replicate_to::none };
};
 
} // namespace couchbase