46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* GlobalConfig.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 2013-2021 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/CommitTransaction.h"
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#include "fdbclient/FDBTypes.h"
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// Used to store a list of mutations made to the global configuration at a
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// specific version.
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struct VersionHistory {
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constexpr static FileIdentifier file_identifier = 5863456;
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VersionHistory() {}
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VersionHistory(Version v) : version(v) {}
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Version version;
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Standalone<VectorRef<MutationRef>> mutations;
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bool operator<(const VersionHistory& other) const { return version < other.version; }
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int expectedSize() const { return sizeof(version) + mutations.expectedSize(); }
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template <typename Ar>
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void serialize(Ar& ar) {
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serializer(ar, mutations, version);
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}
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};
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