mirror of https://gitee.com/bigwinds/arangodb
105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief "safe" read transaction
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2012 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 triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef TRIAGENS_UTILS_READ_TRANSACTION_H
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#define TRIAGENS_UTILS_READ_TRANSACTION_H 1
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#include "Logger/Logger.h"
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#include "Utils/CollectionAccessor.h"
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#include "Utils/Transaction.h"
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#include "VocBase/primary-collection.h"
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namespace triagens {
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namespace arango {
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// -----------------------------------------------------------------------------
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// --SECTION-- class ReadTransaction
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// -----------------------------------------------------------------------------
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class ReadTransaction : public Transaction {
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup ArangoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief ReadTransaction
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////////////////////////////////////////////////////////////////////////////////
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private:
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ReadTransaction (const ReadTransaction&);
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ReadTransaction& operator= (const ReadTransaction&);
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup ArangoDB
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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public:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create the transaction
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////////////////////////////////////////////////////////////////////////////////
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ReadTransaction (CollectionAccessor* collection) :
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Transaction(collection) {
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_collection->beginRead();
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief end the transaction
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////////////////////////////////////////////////////////////////////////////////
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~ReadTransaction () {
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end();
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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};
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}
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}
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#endif
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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