mirror of https://gitee.com/bigwinds/arangodb
65 lines
1.7 KiB
C++
65 lines
1.7 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_BLOCK_COLLECTOR_H
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#define ARANGOD_AQL_BLOCK_COLLECTOR_H 1
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#include "Aql/SharedAqlItemBlockPtr.h"
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#include "Aql/types.h"
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#include "Basics/Common.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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class BlockCollector {
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friend class AqlItemBlock;
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public:
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BlockCollector(BlockCollector const&) = delete;
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BlockCollector& operator=(BlockCollector const&) = delete;
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explicit BlockCollector(AqlItemBlockManager*);
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~BlockCollector();
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size_t totalSize() const;
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RegisterId nrRegs() const;
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void clear();
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void add(SharedAqlItemBlockPtr block);
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SharedAqlItemBlockPtr steal();
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private:
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AqlItemBlockManager* _blockManager;
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std::vector<SharedAqlItemBlockPtr> _blocks;
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size_t _totalSize;
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};
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} // namespace aql
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} // namespace arangodb
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#endif
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