mirror of https://gitee.com/bigwinds/arangodb
149 lines
5.5 KiB
C++
149 lines
5.5 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief Aql, bind parameters
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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 2014 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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/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
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/// @author Copyright 2012-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_AQL_QUERY_BIND_PARAMETERS_H
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#define ARANGODB_AQL_QUERY_BIND_PARAMETERS_H 1
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#include "Basics/Common.h"
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#include "Basics/json.h"
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namespace triagens {
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namespace aql {
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typedef std::unordered_map<std::string, std::pair<TRI_json_t const*, bool>> BindParametersType;
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// -----------------------------------------------------------------------------
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// --SECTION-- class BindParameters
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// -----------------------------------------------------------------------------
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class BindParameters {
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors / destructors
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// -----------------------------------------------------------------------------
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public:
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BindParameters (BindParameters const&) = delete;
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BindParameters& operator= (BindParameters const&) = delete;
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BindParameters () = delete;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create the parameters
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////////////////////////////////////////////////////////////////////////////////
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explicit BindParameters (TRI_json_t*);
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////////////////////////////////////////////////////////////////////////////////
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/// @brief destroy the parameters
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////////////////////////////////////////////////////////////////////////////////
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~BindParameters ();
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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public:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief return all parameters
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////////////////////////////////////////////////////////////////////////////////
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BindParametersType const& operator() () {
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process();
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return _parameters;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief create a hash value for the bind parameters
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////////////////////////////////////////////////////////////////////////////////
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uint64_t hash () const;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief strip collection name prefixes from the parameters
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/// the values must be a JSON array. the array is modified in place
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////////////////////////////////////////////////////////////////////////////////
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static void StripCollectionNames (TRI_json_t*,
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char const*);
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// -----------------------------------------------------------------------------
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// --SECTION-- private methods
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// -----------------------------------------------------------------------------
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private:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief process the parameters
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////////////////////////////////////////////////////////////////////////////////
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void process ();
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// -----------------------------------------------------------------------------
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// --SECTION-- private variables
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// -----------------------------------------------------------------------------
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private:
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////////////////////////////////////////////////////////////////////////////////
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/// @brief the parameter json
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////////////////////////////////////////////////////////////////////////////////
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TRI_json_t* _json;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief pointer to collection parameters
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////////////////////////////////////////////////////////////////////////////////
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BindParametersType _parameters;
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////////////////////////////////////////////////////////////////////////////////
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/// @brief internal state
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////////////////////////////////////////////////////////////////////////////////
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bool _processed;
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};
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}
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}
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#endif
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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