foundationdb/fdbserver/SimpleConfigConsumer.h

48 lines
1.7 KiB
C++

/*
* SimpleConfigConsumer.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/IConfigConsumer.h"
#include "fdbserver/LocalConfiguration.h"
#include <memory>
/*
* A test-only configuration database consumer implementation that interacts with a single-node
* configuration database. It assumed that a single coordinator (the lowest coordinator by IP address)
* stores all data, so there is no fault tolerance.
*/
class SimpleConfigConsumer : public IConfigConsumer {
PImpl<class SimpleConfigConsumerImpl> impl;
public:
SimpleConfigConsumer(ServerCoordinators const& coordinators,
double pollingInterval,
Optional<double> compactionInterval);
~SimpleConfigConsumer();
Future<Void> consume(ConfigBroadcaster& broadcaster) override;
UID getID() const override;
public: // Testing
SimpleConfigConsumer(ConfigFollowerInterface const& cfi,
double pollingInterval,
Optional<double> compactionInterval);
};