8a89f6601d
Implemented untested UniqueOrderedIndex. Introduced TypeGroupEdge/Vertex into database. Added Index capabilityes to PropertyFamily. Added method for adding index. Added method for removing index.
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
#include "storage/vertices.hpp"
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#include "storage/vertex_accessor.hpp"
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#include "utils/iterator/iterator.hpp"
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Vertices::vertices_t::Accessor Vertices::access() { return vertices.access(); }
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Option<const VertexAccessor> Vertices::find(DbTransaction &t, const Id &id)
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{
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auto vertices_accessor = vertices.access();
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auto vertices_iterator = vertices_accessor.find(id);
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if (vertices_iterator == vertices_accessor.end())
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return make_option<const VertexAccessor>();
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return make_option_const(VertexAccessor(&vertices_iterator->second, t));
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}
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VertexAccessor Vertices::insert(DbTransaction &t)
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{
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// get next vertex id
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auto next = counter.next();
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// create new vertex record
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VertexRecord vertex_record(next);
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// vertex_record.id(next);
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// insert the new vertex record into the vertex store
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auto vertices_accessor = vertices.access();
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auto result = vertices_accessor.insert(next, std::move(vertex_record));
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// create new vertex
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auto inserted_vertex_record = result.first;
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auto vertex = inserted_vertex_record->second.insert(t.trans);
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t.to_update_index<TypeGroupVertex>(&inserted_vertex_record->second, vertex);
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return VertexAccessor(vertex, &inserted_vertex_record->second, t);
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}
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VertexPropertyFamily &
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Vertices::property_family_find_or_create(const std::string &name)
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{
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auto acc = prop_familys.access();
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auto it = acc.find(name);
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if (it == acc.end()) {
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auto family = std::unique_ptr<VertexPropertyFamily>(
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new VertexPropertyFamily(name));
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auto res = acc.insert(name, std::move(family));
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it = res.first;
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}
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return *(it->second);
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}
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