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arangodb/arangod/MMFiles/MMFilesToken.h

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C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 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 Michael Hackstein
////////////////////////////////////////////////////////////////////////////////
#include "StorageEngine/StorageEngine.h"
namespace arangodb {
struct MMFilesToken : public DocumentIdentifierToken {
public:
MMFilesToken() : DocumentIdentifierToken() {}
explicit MMFilesToken(TRI_voc_rid_t revisionId)
: DocumentIdentifierToken(revisionId) {}
MMFilesToken(MMFilesToken const& other)
: DocumentIdentifierToken(other._data) {}
MMFilesToken& operator=(MMFilesToken const& other) {
_data = other._data;
return *this;
}
inline TRI_voc_rid_t revisionId() const {
return static_cast<TRI_voc_rid_t>(_data);
}
};
static_assert(sizeof(MMFilesToken) == sizeof(uint64_t), "invalid MMFilesToken size");
}