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arangodb/arangod/RocksDBEngine/RocksDBReplicationCommon.h

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C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2017 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Daniel H. Larkin
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGO_ROCKSDB_ROCKSDB_REPLICATION_COMMON_H
#define ARANGO_ROCKSDB_ROCKSDB_REPLICATION_COMMON_H 1
#include "Basics/Common.h"
#include "Basics/Result.h"
namespace arangodb {
class RocksDBReplicationResult {
public:
RocksDBReplicationResult(int errorNumber, uint64_t lastTick);
RocksDBReplicationResult(int errorNumber, char const* errorMessage, uint64_t lastTick);
void reset(Result const&);
uint64_t maxTick() const;
uint64_t lastScannedTick() const { return _lastScannedTick; }
void lastScannedTick(uint64_t lastScannedTick) {
_lastScannedTick = lastScannedTick;
}
bool minTickIncluded() const;
void includeMinTick();
// forwarded methods
bool ok() const { return _result.ok(); }
bool fail() const { return _result.fail(); }
int errorNumber() const { return _result.errorNumber(); }
std::string errorMessage() const { return _result.errorMessage(); }
// access methods
Result const& result() const& { return _result; }
Result result() && { return std::move(_result); }
private:
Result _result;
uint64_t _maxTick;
uint64_t _lastScannedTick;
bool _minTickIncluded;
};
} // namespace arangodb
#endif