/* -*- 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/result.hxx>

#include <optional>

namespace couchbase
{

/**
 * Represents result of exists operations.
 *
 * @since 1.0.0
 * @committed
 */
class exists_result : public result
{
  public:
    /**
     * @since 1.0.0
     * @internal
     */
    exists_result() = default;

    /**
     * Constructs result for get_any_replica operation, or an entry for get_all_replicas operation.
     *
     * @param cas
     * @param exists true if the document exists, false otherwise
     *
     * @since 1.0.0
     * @committed
     */
    exists_result(couchbase::cas cas, bool exists)
      : result{ cas }
      , exists_{ exists }
    {
    }

    /**
     * @return true if the docuement exists, false otherwise
     *
     * @since 1.0.0
     * @committed
     */
    [[nodiscard]] auto exists() const -> bool
    {
        return exists_;
    }

  private:
    bool exists_{};
};

} // namespace couchbase
