mirror of https://gitee.com/bigwinds/arangodb
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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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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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_TRANSACTION_CONTEXT_DATA_H
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#define ARANGOD_TRANSACTION_CONTEXT_DATA_H 1
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#include "Basics/Common.h"
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#include "VocBase/voc-types.h"
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namespace arangodb {
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class LogicalCollection;
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namespace transaction {
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/// Storage engine specific data that shares the lifetime
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/// of the transaction::Context
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class ContextData {
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public:
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ContextData(ContextData const&) = delete;
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ContextData& operator=(ContextData const&) = delete;
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protected:
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/// @brief create the context data
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ContextData() = default;
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public:
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/// @brief destroy the context data
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virtual ~ContextData() = default;
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/// @brief pin data for the collection
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virtual void pinData(arangodb::LogicalCollection*) = 0;
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/// @brief whether or not the data for the collection is pinned
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virtual bool isPinned(TRI_voc_cid_t) const = 0;
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};
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} // namespace transaction
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} // namespace arangodb
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#endif
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