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