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/**
* Copyright (C) 2020-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/catalog/drop_collection.h"
#include "mongo/db/s/collection_sharding_runtime.h"
#include "mongo/db/s/drop_collection_coordinator_document_gen.h"
#include "mongo/db/s/sharding_ddl_coordinator.h"
namespace mongo {
class DropCollectionCoordinator final
: public RecoverableShardingDDLCoordinator<DropCollectionCoordinatorDocument,
DropCollectionCoordinatorPhaseEnum> {
public:
using StateDoc = DropCollectionCoordinatorDocument;
using Phase = DropCollectionCoordinatorPhaseEnum;
DropCollectionCoordinator(ShardingDDLCoordinatorService* service, const BSONObj& initialState)
: RecoverableShardingDDLCoordinator(service, initialState) {}
~DropCollectionCoordinator() = default;
void checkIfOptionsConflict(const BSONObj& doc) const override {}
boost::optional<BSONObj> reportForCurrentOp(
MongoProcessInterface::CurrentOpConnectionsMode connMode,
MongoProcessInterface::CurrentOpSessionsMode sessionMode) noexcept override;
/**
* Locally drops a collection, cleans its CollectionShardingRuntime metadata and refreshes the
* catalog cache.
*/
static DropReply dropCollectionLocally(OperationContext* opCtx, const NamespaceString& nss);
private:
StringData serializePhase(const Phase& phase) const override {
return DropCollectionCoordinatorPhase_serializer(phase);
}
ExecutorFuture<void> _runImpl(std::shared_ptr<executor::ScopedTaskExecutor> executor,
const CancellationToken& token) noexcept override;
};
} // namespace mongo
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