get_replica_result.hxx

Go to the documentation of this file.

/* -*- 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/codec/default_json_transcoder.hxx>
#include <couchbase/result.hxx>
 
#include <vector>
 
namespace couchbase
{
 
class get_replica_result : public result
{
public:
  get_replica_result() = default;
 
  get_replica_result(couchbase::cas cas, bool is_replica, codec::encoded_value value)
    : result{ cas }
    , is_replica_{ is_replica }
    , value_{ std::move(value) }
  {
  }
 
  [[nodiscard]] auto is_replica() const -> bool
  {
    return is_replica_;
  }
 
  template<typename Transcoder, std::enable_if_t<codec::is_transcoder_v<Transcoder>, bool> = true>
  [[nodiscard]] auto content_as() const -> typename Transcoder::document_type
  {
    return Transcoder::decode(value_);
  }
 
  template<typename Document,
           typename Transcoder = codec::default_json_transcoder,
           std::enable_if_t<!codec::is_transcoder_v<Document>, bool> = true,
           std::enable_if_t<codec::is_transcoder_v<Transcoder>, bool> = true>
  [[nodiscard]] auto content_as() const -> Document
  {
    return Transcoder::template decode<Document>(value_);
  }
 
private:
  bool is_replica_{ false };
  codec::encoded_value value_{};
};
 
} // namespace couchbase