mirror of https://gitee.com/bigwinds/arangodb
81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 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 ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Max Neunhoeffer
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGOD_AQL_ATTRIBUTE_ACCESSOR_H
|
|
#define ARANGOD_AQL_ATTRIBUTE_ACCESSOR_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
#include "Aql/AqlValue.h"
|
|
#include "Aql/types.h"
|
|
|
|
namespace arangodb {
|
|
namespace aql {
|
|
|
|
class AqlItemBlock;
|
|
class AqlTransaction;
|
|
struct Variable;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief AttributeAccessor
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class AttributeAccessor {
|
|
public:
|
|
AttributeAccessor(std::vector<std::string> const&, Variable const*);
|
|
~AttributeAccessor() = default;
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief execute the accessor
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
AqlValue get(arangodb::AqlTransaction* trx, AqlItemBlock const*, size_t,
|
|
std::vector<Variable const*> const&,
|
|
std::vector<RegisterId> const&, bool& mustDestroy);
|
|
|
|
private:
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief the attribute names vector (e.g. [ "a", "b", "c" ] for a.b.c)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
std::vector<std::string> const _attributeParts;
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief full attribute name (e.g. "a.b.c")
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
std::string _combinedName;
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief the accessed variable
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
Variable const* _variable;
|
|
|
|
};
|
|
|
|
} // namespace arangodb::aql
|
|
} // namespace arangodb
|
|
|
|
#endif
|