/**
 *    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.
 */

#include "mongo/platform/basic.h"

#include "mongo/db/repl/oplog_applier_impl.h"

namespace mongo {
namespace repl {

OplogApplierImpl::OplogApplierImpl(executor::TaskExecutor* executor,
                                   OplogBuffer* oplogBuffer,
                                   Observer* observer,
                                   ReplicationCoordinator* replCoord,
                                   ReplicationConsistencyMarkers* consistencyMarkers,
                                   StorageInterface* storageInterface,
                                   const OplogApplier::Options& options,
                                   ThreadPool* writerPool)
    : OplogApplier(executor, oplogBuffer, observer),
      _replCoord(replCoord),
      _syncTail(
          observer, consistencyMarkers, storageInterface, multiSyncApply, writerPool, options),
      _beginApplyingOpTime(options.beginApplyingOpTime) {
    invariant(!options.relaxUniqueIndexConstraints);
}

void OplogApplierImpl::_run(OplogBuffer* oplogBuffer) {
    auto getNextApplierBatchFn = [this](OperationContext* opCtx, const BatchLimits& batchLimits) {
        return getNextApplierBatch(opCtx, batchLimits);
    };
    _syncTail.oplogApplication(oplogBuffer, getNextApplierBatchFn, _replCoord);
}

void OplogApplierImpl::_shutdown() {
    _syncTail.shutdown();
}

StatusWith<OpTime> OplogApplierImpl::_multiApply(OperationContext* opCtx, Operations ops) {
    return _syncTail.multiApply(opCtx, std::move(ops));
}

}  // namespace repl
}  // namespace mongo