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path: root/src/mongo/embedded/read_concern_embedded.cpp
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/**
*    Copyright (C) 2018 MongoDB Inc.
*
*    This program is free software: you can redistribute it and/or  modify
*    it under the terms of the GNU Affero General Public License, version 3,
*    as published by the Free Software Foundation.
*
*    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
*    GNU Affero General Public License for more details.
*
*    You should have received a copy of the GNU Affero General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*    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 GNU Affero General 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.
*/

#include "mongo/db/read_concern.h"
#include "mongo/db/repl/read_concern_args.h"

namespace mongo {

MONGO_REGISTER_SHIM(waitForReadConcern)
(OperationContext* opCtx, const repl::ReadConcernArgs& readConcernArgs, bool allowAfterClusterTime)
    ->Status {
    if (readConcernArgs.getLevel() == repl::ReadConcernLevel::kLinearizableReadConcern) {
        return {ErrorCodes::NotImplemented, "linearizable read concern not supported on embedded"};
    } else if (readConcernArgs.getLevel() == repl::ReadConcernLevel::kSnapshotReadConcern) {
        return {ErrorCodes::NotImplemented, "snapshot read concern not supported on embedded"};
    } else if (readConcernArgs.getLevel() == repl::ReadConcernLevel::kMajorityReadConcern) {
        return {ErrorCodes::NotImplemented, "majority read concern not supported on embedded"};
    } else if (readConcernArgs.getArgsAfterClusterTime()) {
        return {ErrorCodes::NotImplemented, "afterClusterTime is not supported on embedded"};
    } else if (readConcernArgs.getArgsOpTime()) {
        return {ErrorCodes::NotImplemented, "afterOpTime is not supported on embedded"};
    }

    return Status::OK();
}

MONGO_REGISTER_SHIM(waitForLinearizableReadConcern)(OperationContext* opCtx)->Status {
    return Status::OK();
}

}  // namespace mongo