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/**
* 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/op_observer/op_observer_impl.h"
namespace mongo {
class OpObserverShardingImpl : public OpObserverImpl {
public:
OpObserverShardingImpl(std::unique_ptr<OplogWriter> oplogWriter);
// True if the document being deleted belongs to a chunk which, while still in the shard,
// is being migrated out. (Not to be confused with "fromMigrate", which tags operations
// that are steps in performing the migration.)
static bool isMigrating(OperationContext* opCtx,
NamespaceString const& nss,
BSONObj const& docToDelete);
protected:
void shardObserveAboutToDelete(OperationContext* opCtx,
NamespaceString const& nss,
BSONObj const& docToDelete) override;
void shardObserveInsertsOp(OperationContext* opCtx,
NamespaceString nss,
std::vector<InsertStatement>::const_iterator first,
std::vector<InsertStatement>::const_iterator last,
const std::vector<repl::OpTime>& opTimeList,
const ShardingWriteRouter& shardingWriteRouter,
bool fromMigrate,
bool inMultiDocumentTransaction) override;
void shardObserveUpdateOp(OperationContext* opCtx,
NamespaceString nss,
boost::optional<BSONObj> preImageDoc,
const BSONObj& updatedDoc,
const repl::OpTime& opTime,
const ShardingWriteRouter& shardingWriteRouter,
const repl::OpTime& prePostImageOpTime,
bool inMultiDocumentTransaction) override;
void shardObserveDeleteOp(OperationContext* opCtx,
NamespaceString nss,
const BSONObj& documentKey,
const repl::OpTime& opTime,
const ShardingWriteRouter& shardingWriteRouter,
const repl::OpTime& preImageOpTime,
bool inMultiDocumentTransaction) override;
void shardObserveTransactionPrepareOrUnpreparedCommit(
OperationContext* opCtx,
const std::vector<repl::ReplOperation>& stmts,
const repl::OpTime& prepareOrCommitOptime) override;
void shardObserveNonPrimaryTransactionPrepare(
OperationContext* opCtx,
const std::vector<repl::OplogEntry>& stmts,
const repl::OpTime& prepareOrCommitOptime) override;
};
} // namespace mongo
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