LSST Applications g042eb84c57+730a74494b,g04e9c324dd+8c5ae1fdc5,g134cb467dc+1f1e3e7524,g199a45376c+0ba108daf9,g1fd858c14a+fa7d31856b,g210f2d0738+f66ac109ec,g262e1987ae+83a3acc0e5,g29ae962dfc+d856a2cb1f,g2cef7863aa+aef1011c0b,g35bb328faa+8c5ae1fdc5,g3fd5ace14f+a1e0c9f713,g47891489e3+0d594cb711,g4d44eb3520+c57ec8f3ed,g4d7b6aa1c5+f66ac109ec,g53246c7159+8c5ae1fdc5,g56a1a4eaf3+fd7ad03fde,g64539dfbff+f66ac109ec,g67b6fd64d1+0d594cb711,g67fd3c3899+f66ac109ec,g6985122a63+0d594cb711,g74acd417e5+3098891321,g786e29fd12+668abc6043,g81db2e9a8d+98e2ab9f28,g87389fa792+8856018cbb,g89139ef638+0d594cb711,g8d7436a09f+80fda9ce03,g8ea07a8fe4+760ca7c3fc,g90f42f885a+033b1d468d,g97be763408+a8a29bda4b,g99822b682c+e3ec3c61f9,g9d5c6a246b+0d5dac0c3d,ga41d0fce20+9243b26dd2,gbf99507273+8c5ae1fdc5,gd7ef33dd92+0d594cb711,gdab6d2f7ff+3098891321,ge410e46f29+0d594cb711,geaed405ab2+c4bbc419c6,gf9a733ac38+8c5ae1fdc5,w.2025.38
LSST Data Management Base Package
Loading...
Searching...
No Matches
SchemaMapperImpl.h
Go to the documentation of this file.
1// -*- lsst-c++ -*-
2#ifndef AFW_TABLE_DETAIL_SchemaMapperImpl_h_INCLUDED
3#define AFW_TABLE_DETAIL_SchemaMapperImpl_h_INCLUDED
4
5#include <map>
6#include <algorithm>
7
11
12namespace lsst {
13namespace afw {
14namespace table {
15
16class SchemaMapper;
17
18namespace detail {
19
26class SchemaMapperImpl final {
27private:
30 template <typename ...E>
31 static std::variant<std::pair<Key<E>, Key<E>>...> makeKeyPairVariantType(TypeList<E...>);
32
33public:
35 using KeyPairVariant = decltype(makeKeyPairVariantType(FieldTypes{}));
38
40 explicit SchemaMapperImpl(Schema const& input, Schema const& output) : _input(input), _output(output) {}
41
42private:
43 friend class table::SchemaMapper;
44 friend class detail::Access;
45
46 Schema _input;
47 Schema _output;
48 KeyPairMap _map;
49};
50} // namespace detail
51} // namespace table
52} // namespace afw
53} // namespace lsst
54
55#endif // !AFW_TABLE_DETAIL_SchemaMapperImpl_h_INCLUDED
A class used as a handle to a particular field in a table.
Definition Key.h:53
Defines the fields and offsets for a table.
Definition Schema.h:51
A mapping between the keys of two Schemas, used to copy data between them.
std::vector< KeyPairVariant > KeyPairMap
A std::vector whose elements can be any of the allowed pair types.
decltype(makeKeyPairVariantType(FieldTypes{})) KeyPairVariant
A Variant type that can hold any one of the allowed pairx types.
SchemaMapperImpl(Schema const &input, Schema const &output)
Constructor from the given input and output schemas.
TypeList< RecordId, std::uint16_t, std::int32_t, float, double, lsst::geom::Angle, std::uint8_t, Flag, std::string, Array< std::uint16_t >, Array< int >, Array< float >, Array< double >, Array< std::uint8_t > > FieldTypes
A compile-time list of all field types.
Definition types.h:53