mirror of https://gitee.com/bigwinds/arangodb
59 lines
1.6 KiB
C++
59 lines
1.6 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_AQL_AQL_ITEM_BLOCK_MANAGER_H
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#define ARANGOD_AQL_AQL_ITEM_BLOCK_MANAGER_H 1
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#include "Basics/Common.h"
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#include "Aql/types.h"
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namespace arangodb {
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namespace aql {
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class AqlItemBlock;
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class AqlItemBlockManager {
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public:
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/// @brief create the manager
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AqlItemBlockManager();
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/// @brief destroy the manager
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~AqlItemBlockManager();
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public:
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/// @brief request a block with the specified size
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AqlItemBlock* requestBlock(size_t, RegisterId);
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/// @brief return a block to the manager
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void returnBlock(AqlItemBlock*&);
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private:
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/// @brief last block handed back to the manager
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/// this is the block that may be recycled
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AqlItemBlock* _last;
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};
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}
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}
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#endif
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