////////////////////////////////////////////////////////////////////////////////
/// @brief "safe" write transaction
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2012 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 triAGENS GmbH, Cologne, Germany
///
/// @author Jan Steemann
/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////

#ifndef TRIAGENS_UTILS_WRITE_TRANSACTION_H
#define TRIAGENS_UTILS_WRITE_TRANSACTION_H 1

#include "Logger/Logger.h"
#include "Utils/CollectionAccessor.h"
#include "Utils/Transaction.h"
#include "VocBase/primary-collection.h"

using namespace triagens::basics;

namespace triagens {
  namespace arango {

// -----------------------------------------------------------------------------
// --SECTION--                                            class WriteTransaction
// -----------------------------------------------------------------------------

    class WriteTransaction : public Transaction {

////////////////////////////////////////////////////////////////////////////////
/// @addtogroup ArangoDB
/// @{
////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////////////////
/// @brief WriteTransaction
////////////////////////////////////////////////////////////////////////////////

      private:
        WriteTransaction (const WriteTransaction&);
        WriteTransaction& operator= (const WriteTransaction&);

////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////

// -----------------------------------------------------------------------------
// --SECTION--                                      constructors and destructors
// -----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////
/// @addtogroup ArangoDB
/// @{
////////////////////////////////////////////////////////////////////////////////

      public:

////////////////////////////////////////////////////////////////////////////////
/// @brief create the transaction
////////////////////////////////////////////////////////////////////////////////

        WriteTransaction (CollectionAccessor* collection) : 
          Transaction(collection) {
          _collection->beginWrite();
        }

////////////////////////////////////////////////////////////////////////////////
/// @brief end the transaction
////////////////////////////////////////////////////////////////////////////////

        ~WriteTransaction () {
          end();
        }

////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////

    };

  }
}

#endif

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