86 lines
3.5 KiB
C++
86 lines
3.5 KiB
C++
/*
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* SimpleConfigTransaction.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 <memory>
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#include "fdbclient/CommitTransaction.h"
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#include "fdbclient/ConfigTransactionInterface.h"
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#include "fdbclient/CoordinationInterface.h"
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#include "fdbclient/FDBTypes.h"
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#include "fdbclient/IConfigTransaction.h"
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#include "fdbclient/PImpl.h"
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#include "flow/Error.h"
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#include "flow/flow.h"
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/*
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* A configuration transaction implementation that interacts with a simple (test-only) implementation of
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* the configuration database. All configuration database data is assumed to live on a single node
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* (the lowest coordinator by IP address), so there is no fault tolerance.
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*/
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class SimpleConfigTransaction final : public IConfigTransaction, public FastAllocated<SimpleConfigTransaction> {
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PImpl<class SimpleConfigTransactionImpl> impl;
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public:
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SimpleConfigTransaction(ConfigTransactionInterface const&);
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SimpleConfigTransaction(Database const&);
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SimpleConfigTransaction();
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void construct(Database const&) override;
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~SimpleConfigTransaction();
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Future<Version> getReadVersion() override;
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Optional<Version> getCachedReadVersion() const override;
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Future<Optional<Value>> get(Key const& key, Snapshot = Snapshot::False) override;
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Future<RangeResult> getRange(KeySelector const& begin,
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KeySelector const& end,
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int limit,
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Snapshot = Snapshot::False,
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Reverse = Reverse::False) override;
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Future<RangeResult> getRange(KeySelector begin,
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KeySelector end,
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GetRangeLimits limits,
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Snapshot = Snapshot::False,
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Reverse = Reverse::False) override;
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Future<MappedRangeResult> getMappedRange(KeySelector begin,
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KeySelector end,
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Key mapper,
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GetRangeLimits limits,
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int matchIndex,
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Snapshot = Snapshot::False,
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Reverse = Reverse::False) override {
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throw client_invalid_operation();
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}
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Future<Void> commit() override;
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Version getCommittedVersion() const override;
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void setOption(FDBTransactionOptions::Option option, Optional<StringRef> value = Optional<StringRef>()) override;
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Future<Void> onError(Error const& e) override;
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void cancel() override;
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void reset() override;
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void debugTransaction(UID dID) override;
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void checkDeferredError() const override;
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int64_t getApproximateSize() const override;
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void set(KeyRef const&, ValueRef const&) override;
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void clear(KeyRangeRef const&) override { throw client_invalid_operation(); }
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void clear(KeyRef const&) override;
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void fullReset();
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};
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