mirror of https://gitee.com/bigwinds/arangodb
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2017 ArangoDB 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 Andrey Abramov
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/// @author Vasiliy Nabatchikov
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_IRESEARCH__IRESEARCH_ORDER_FACTORY_H
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#define ARANGOD_IRESEARCH__IRESEARCH_ORDER_FACTORY_H 1
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#include "VocBase/voc-types.h"
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#include "search/sort.hpp"
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NS_BEGIN(arangodb)
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NS_BEGIN(aql)
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struct AstNode;
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struct Variable;
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NS_END // aql
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NS_BEGIN(iresearch)
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struct QueryContext;
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NS_END // iresearch
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NS_BEGIN(transaction)
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class Methods; // forward declaration
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NS_END // transaction
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NS_BEGIN(iresearch)
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struct OrderFactory {
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////////////////////////////////////////////////////////////////////////////////
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/// @brief determine if the 'node' can be converted into an iresearch scorer
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/// if 'scorer' != nullptr then also append build iresearch scorer there
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////////////////////////////////////////////////////////////////////////////////
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static bool scorer(
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irs::sort::ptr* scorer,
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arangodb::aql::AstNode const& node,
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arangodb::iresearch::QueryContext const& ctx
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);
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static bool comparer(
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irs::sort::ptr* scorer,
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arangodb::aql::AstNode const& node
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);
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}; // OrderFactory
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NS_END // iresearch
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NS_END // arangodb
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#endif // ARANGOD_IRESEARCH__IRESEARCH_ORDER_FACTORY_H
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