51 lines
2.1 KiB
C++
51 lines
2.1 KiB
C++
/*
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* IConfigConsumer.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "fdbclient/CoordinationInterface.h"
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#include "fdbserver/ConfigBroadcaster.h"
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#include "fdbserver/CoordinationInterface.h"
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#include "fdbserver/ConfigFollowerInterface.h"
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#include "flow/flow.h"
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#include <memory>
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/*
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* An IConfigConsumer instantiation is used by the ConfigBroadcaster to consume
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* updates from the configuration database nodes. A consumer sends mutations to a broadcaster
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* once they are confirmed to be committed.
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*/
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class IConfigConsumer {
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public:
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virtual ~IConfigConsumer() = default;
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virtual Future<Void> consume(ConfigBroadcaster& broadcaster) = 0;
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virtual UID getID() const = 0;
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static std::unique_ptr<IConfigConsumer> createTestSimple(ConfigFollowerInterface const& cfi,
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double pollingInterval,
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Optional<double> compactionInterval);
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static std::unique_ptr<IConfigConsumer> createSimple(ServerCoordinators const& coordinators,
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double pollingInterval,
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Optional<double> compactionInterval);
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static std::unique_ptr<IConfigConsumer> createPaxos(ServerCoordinators const& coordinators,
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double pollingInterval,
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Optional<double> compactionInterval);
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};
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