foundationdb/fdbserver/SimpleConfigDatabaseNode.h
2021-06-10 17:14:37 -07:00

41 lines
1.5 KiB
C++

/*
* SimpleConfigDatabaseNode.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "fdbserver/IConfigDatabaseNode.h"
/*
* A test-only configuration database node implementation that assumes all data is stored on a single coordinator.
* As such, there is no need to handle rolling forward or rolling back mutations, because this one node is considered
* the source of truth.
*/
class SimpleConfigDatabaseNode : public IConfigDatabaseNode {
std::unique_ptr<class SimpleConfigDatabaseNodeImpl> _impl;
SimpleConfigDatabaseNodeImpl const& impl() const { return *_impl; }
SimpleConfigDatabaseNodeImpl& impl() { return *_impl; }
public:
SimpleConfigDatabaseNode(std::string const& folder);
~SimpleConfigDatabaseNode();
Future<Void> serve(ConfigTransactionInterface const&) override;
Future<Void> serve(ConfigFollowerInterface const&) override;
};