mirror of https://gitee.com/bigwinds/arangodb
138 lines
4.6 KiB
C++
138 lines
4.6 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief Aql, Index
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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 not James
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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_INDEX_H
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#define ARANGODB_AQL_INDEX_H 1
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#include "Basics/Common.h"
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#include "Basics/json.h"
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#include "Basics/JsonHelper.h"
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#include "VocBase/index.h"
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namespace triagens {
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namespace aql {
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// -----------------------------------------------------------------------------
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// --SECTION-- struct Index
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// -----------------------------------------------------------------------------
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struct Index {
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors / destructors
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// -----------------------------------------------------------------------------
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Index& operator= (Index const&) = delete;
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Index (TRI_index_t* idx)
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: id(idx->_iid),
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type(idx->_type),
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unique(idx->_unique),
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fields(),
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data(idx) {
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size_t const n = idx->_fields._length;
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fields.reserve(n);
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for (size_t i = 0; i < n; ++i) {
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char const* field = idx->_fields._buffer[i];
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fields.push_back(std::string(field));
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}
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TRI_ASSERT(data != nullptr);
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}
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Index (TRI_json_t const* json)
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: id(triagens::basics::StringUtils::uint64(triagens::basics::JsonHelper::checkAndGetStringValue(json, "id"))),
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type(TRI_TypeIndex(triagens::basics::JsonHelper::checkAndGetStringValue(json, "type").c_str())),
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unique(triagens::basics::JsonHelper::checkAndGetBooleanValue(json, "unique")),
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fields(),
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data(nullptr) {
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TRI_json_t const* f = TRI_LookupArrayJson(json, "fields");
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if (TRI_IsListJson(f)) {
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size_t const n = TRI_LengthListJson(f);
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fields.reserve(n);
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for (size_t i = 0; i < n; ++i) {
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TRI_json_t const* name = static_cast<TRI_json_t const*>(TRI_AtVector(&f->_value._objects, i));
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if (TRI_IsStringJson(name)) {
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fields.push_back(std::string(name->_value._string.data, name->_value._string.length - 1));
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}
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}
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}
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}
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~Index() {
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}
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triagens::basics::Json toJson () const {
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triagens::basics::Json json(triagens::basics::Json::Array);
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json("type", triagens::basics::Json(TRI_TypeNameIndex(type)))
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("id", triagens::basics::Json(triagens::basics::StringUtils::itoa(id)))
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("unique", triagens::basics::Json(unique));
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triagens::basics::Json f(triagens::basics::Json::List);
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for (auto& field : fields) {
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f.add(triagens::basics::Json(field));
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}
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json("fields", f);
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return json;
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}
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// -----------------------------------------------------------------------------
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// --SECTION-- public variables
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// -----------------------------------------------------------------------------
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TRI_idx_iid_t const id;
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TRI_idx_type_e const type;
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bool const unique;
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std::vector<std::string> fields;
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TRI_index_t* data;
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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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