16#ifndef ROOT7_RNTupleUtil
17#define ROOT7_RNTupleUtil
31template <
typename SizeT>
33 static_assert(std::is_same_v<SizeT, std::uint32_t> || std::is_same_v<SizeT, std::uint64_t>,
34 "RNTupleCardinality is only supported with std::uint32_t or std::uint64_t template parameters");
50namespace Experimental {
233 std::variant<std::uint64_t, RNTupleLocatorObject64>
fPosition{};
244 template <
typename T>
264 const static std::shared_ptr<T> fgRawPtrCtrlBlock;
265 return std::shared_ptr<T>(fgRawPtrCtrlBlock, rawPtr);
269 static_cast<ENTupleStructure>(std::numeric_limits<std::underlying_type_t<ENTupleStructure>>::max() - 1);
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t r
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t result
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t index
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void value
Addresses a column element or field item relative to a particular cluster, instead of a global NTuple...
RClusterIndex operator+(ClusterSize_t::ValueType off) const
ClusterSize_t::ValueType fIndex
RClusterIndex operator-(ClusterSize_t::ValueType off) const
bool operator==(RClusterIndex other) const
DescriptorId_t fClusterId
RClusterIndex & operator=(const RClusterIndex &other)=default
bool operator!=(RClusterIndex other) const
DescriptorId_t GetClusterId() const
constexpr RClusterIndex(DescriptorId_t clusterId, ClusterSize_t::ValueType index)
RClusterIndex operator++(int)
ClusterSize_t::ValueType GetIndex() const
RClusterIndex & operator++()
RClusterIndex(const RClusterIndex &other)=default
Holds the index and the tag of a kSwitch column.
ClusterSize_t GetIndex() const
std::uint32_t GetTag() const
RColumnSwitch(ClusterSize_t index, std::uint32_t tag)
Common user-tunable settings for reading ntuples.
constexpr RNTupleLocator::ELocatorType kTestLocatorType
auto MakeAliasedSharedPtr(T *rawPtr)
constexpr ENTupleStructure kTestFutureFieldStructure
RLogChannel & NTupleLog()
Log channel for RNTuple diagnostics.
std::uint64_t NTupleSize_t
Integer type long enough to hold the maximum number of entries in a column.
constexpr ColumnId_t kInvalidColumnId
constexpr int kUnknownCompressionSettings
std::uint64_t DescriptorId_t
Distriniguishes elements of the same type within a descriptor, e.g. different fields.
constexpr NTupleSize_t kInvalidNTupleIndex
std::int64_t ColumnId_t
Uniquely identifies a physical column within the scope of the current process, used to tag pages.
constexpr ClusterSize_t kInvalidClusterIndex(std::uint64_t(-1))
ENTupleStructure
The fields in the ntuple model tree can carry different structural information about the type system.
constexpr DescriptorId_t kInvalidDescriptorId
tbb::task_arena is an alias of tbb::interface7::task_arena, which doesn't allow to forward declare tb...
Wrap the integer in a struct in order to avoid template specialization clash with std::uint64_t.
RClusterSize operator++(int)
RClusterSize & operator=(const ValueType value)
constexpr RClusterSize(ValueType value)
RClusterSize & operator+=(const ValueType value)
RNTupleLocator payload that is common for object stores using 64bit location information.
bool operator==(const RNTupleLocatorObject64 &other) const
Generic information about the physical location of data.
std::uint64_t fBytesOnStorage
ELocatorType
Values for the Type field in non-disk locators.
std::uint8_t fReserved
Reserved for use by concrete storage backends.
ELocatorType fType
For non-disk locators, the value for the Type field.
bool operator==(const RNTupleLocator &other) const
std::variant< std::uint64_t, RNTupleLocatorObject64 > fPosition
Simple on-disk locators consisting of a 64-bit offset use variant type uint64_t; extended locators ha...
const T & GetPosition() const
Used to specify the underlying RNTuples in RNTupleProcessor and RNTupleReader::OpenFriends()
RNTupleReadOptions fOptions
RNTupleOpenSpec(std::string_view n, std::string_view s)
Helper types to present an offset column as array of collection sizes.
RNTupleCardinality & operator=(const ValueType value)
constexpr RNTupleCardinality(ValueType value)