mirror of https://gitee.com/bigwinds/arangodb
115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief wrapper for Aql transactions
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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 2004-2013 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 2011-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef TRIAGENS_UTILS_AHUACATL_TRANSACTION_H
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#define TRIAGENS_UTILS_AHUACATL_TRANSACTION_H 1
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#include "Utils/CollectionNameResolver.h"
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#include "Utils/Transaction.h"
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#include "VocBase/server.h"
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#include "VocBase/transaction.h"
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struct TRI_vocbase_s;
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namespace triagens {
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namespace arango {
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template<typename T>
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class AhuacatlTransaction : public Transaction<T> {
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// -----------------------------------------------------------------------------
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// --SECTION-- class AhuacatlTransaction
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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 and add all collections from the query
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/// context
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////////////////////////////////////////////////////////////////////////////////
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AhuacatlTransaction (struct TRI_vocbase_s* const vocbase,
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const triagens::arango::CollectionNameResolver& resolver,
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TRI_aql_context_t* const context) :
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Transaction<T>(vocbase, TRI_GetIdServer(), resolver, false) {
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this->addHint(TRI_TRANSACTION_HINT_LOCK_ENTIRELY);
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TRI_vector_pointer_t* collections = &context->_collections;
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const size_t n = collections->_length;
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for (size_t i = 0; i < n; ++i) {
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TRI_aql_collection_t* collection = (TRI_aql_collection_t*) TRI_AtVectorPointer(collections, i);
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TRI_voc_cid_t cid = 0;
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TRI_vocbase_col_t const* col = resolver.getCollectionStruct(collection->_name);
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if (col != 0) {
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cid = col->_cid;
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}
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int res = this->addCollection(cid, collection->_name, TRI_TRANSACTION_READ);
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if (res == TRI_ERROR_NO_ERROR) {
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collection->_collection = (TRI_vocbase_col_t*) col;
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief end the transaction
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////////////////////////////////////////////////////////////////////////////////
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~AhuacatlTransaction () {
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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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