/**
 *    Copyright (C) 2018-present MongoDB, Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the Server Side Public License, version 1,
 *    as published by MongoDB, Inc.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    Server Side Public License for more details.
 *
 *    You should have received a copy of the Server Side Public License
 *    along with this program. If not, see
 *    <http://www.mongodb.com/licensing/server-side-public-license>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the Server Side Public License in all respects for
 *    all of the code used other than as permitted herein. If you modify file(s)
 *    with this exception, you may extend this exception to your version of the
 *    file(s), but you are not obligated to do so. If you do not wish to do so,
 *    delete this exception statement from your version. If you delete this
 *    exception statement from all source files in the program, then also delete
 *    it in the license file.
 */

#pragma once

#include "mongo/db/logical_session_cache.h"

namespace mongo {

class Client;
class OperationContext;
class ServiceContext;

/**
 * A noop logical session cache for use in tests
 */
class LogicalSessionCacheNoop : public LogicalSessionCache {
public:
    void joinOnShutDown() override {}

    Status promote(LogicalSessionId lsid) override {
        return Status::OK();
    }

    Status startSession(OperationContext* opCtx, LogicalSessionRecord record) override {
        return Status::OK();
    }

    Status refreshSessions(OperationContext* opCtx,
                           const RefreshSessionsCmdFromClient& cmd) override {
        return Status::OK();
    }
    Status refreshSessions(OperationContext* opCtx,
                           const RefreshSessionsCmdFromClusterMember& cmd) override {
        return Status::OK();
    }

    Status vivify(OperationContext* opCtx, const LogicalSessionId& lsid) override {
        return Status::OK();
    }

    Status refreshNow(Client* client) override {
        return Status::OK();
    }

    Status reapNow(Client* client) override {
        return Status::OK();
    }

    Date_t now() override {
        return Date_t::now();
    }

    size_t size() override {
        return 0;
    }

    std::vector<LogicalSessionId> listIds() const override {
        return {};
    }

    std::vector<LogicalSessionId> listIds(
        const std::vector<SHA256Block>& userDigest) const override {
        return {};
    }

    boost::optional<LogicalSessionRecord> peekCached(const LogicalSessionId& id) const override {
        return boost::none;
    }

    LogicalSessionCacheStats getStats() override {
        return {};
    };

    void endSessions(const LogicalSessionIdSet& lsids) override {}
};

}  // namespace mongo