template<typename SizeT>
class ROOT::Experimental::RField< RNTupleCardinality< SizeT > >
Definition at line 1500 of file RField.hxx.
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| RField (RField &&other)=default |
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| RField (std::string_view name) |
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| ~RField ()=default |
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size_t | GetAlignment () const final |
| As a rule of thumb, the alignment is equal to the size of the type.
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size_t | GetValueSize () const final |
| The number of bytes taken by a value of the appropriate type.
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RField & | operator= (RField &&other)=default |
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std::size_t | ReadBulkImpl (const RBulkSpec &bulkSpec) final |
| General implementation of bulk read.
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void | ReadGlobalImpl (NTupleSize_t globalIndex, void *to) final |
| Get the number of elements of the collection identified by globalIndex.
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void | ReadInClusterImpl (const RClusterIndex &clusterIndex, void *to) final |
| Get the number of elements of the collection identified by clusterIndex.
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| RCardinalityField (RCardinalityField &&other)=default |
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| ~RCardinalityField ()=default |
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void | AcceptVisitor (Detail::RFieldVisitor &visitor) const final |
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const RField< RNTupleCardinality< std::uint32_t > > * | As32Bit () const |
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const RField< RNTupleCardinality< std::uint64_t > > * | As64Bit () const |
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RCardinalityField & | operator= (RCardinalityField &&other)=default |
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| RFieldBase (const RFieldBase &)=delete |
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| RFieldBase (RFieldBase &&)=default |
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| RFieldBase (std::string_view name, std::string_view type, ENTupleStructure structure, bool isSimple, std::size_t nRepetitions=0) |
| The constructor creates the underlying column objects and connects them to either a sink or a source.
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virtual | ~RFieldBase () |
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RSchemaIterator | begin () |
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RValue | BindValue (void *where) |
| Creates a value from a memory location with an already constructed object.
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RConstSchemaIterator | cbegin () const |
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RConstSchemaIterator | cend () const |
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std::unique_ptr< RFieldBase > | Clone (std::string_view newName) const |
| Copies the field and its sub fields using a possibly new name and a new, unconnected set of columns.
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void | CommitCluster () |
| Flushes data from active columns to disk and calls CommitClusterImpl.
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void | ConnectPageSink (RPageSink &pageSink, NTupleSize_t firstEntry=0) |
| Fields and their columns live in the void until connected to a physical page storage.
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void | ConnectPageSource (RPageSource &pageSource) |
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RSchemaIterator | end () |
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RBulk | GenerateBulk () |
| The returned bulk is initially empty; RBulk::ReadBulk will construct the array of values.
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RValue | GenerateValue () |
| Generates an object of the field type and allocates new initialized memory according to the type.
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const ColumnRepresentation_t & | GetColumnRepresentative () const |
| Returns the fColumnRepresentative pointee or, if unset, the field's default representative.
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std::string | GetDescription () const |
| Get the field's description.
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virtual std::uint32_t | GetFieldVersion () const |
| Indicates an evolution of the mapping scheme from C++ type to columns.
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std::string | GetName () const |
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NTupleSize_t | GetNElements () const |
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std::size_t | GetNRepetitions () const |
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DescriptorId_t | GetOnDiskId () const |
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std::uint32_t | GetOnDiskTypeVersion () const |
| Return the C++ type version stored in the field descriptor; only valid after a call to ConnectPageSource()
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RFieldBase * | GetParent () const |
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std::string | GetQualifiedFieldName () const |
| Returns the field name and parent field names separated by dots ("grandparent.parent.child")
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EState | GetState () const |
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ENTupleStructure | GetStructure () const |
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std::vector< RFieldBase * > | GetSubFields () const |
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int | GetTraits () const |
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std::string | GetType () const |
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std::string | GetTypeAlias () const |
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virtual std::uint32_t | GetTypeVersion () const |
| Indicates an evolution of the C++ type itself.
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bool | HasDefaultColumnRepresentative () const |
| Whether or not an explicit column representative was set.
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bool | HasReadCallbacks () const |
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bool | IsSimple () const |
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RFieldBase & | operator= (const RFieldBase &)=delete |
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RFieldBase & | operator= (RFieldBase &&)=default |
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void | SetColumnRepresentative (const ColumnRepresentation_t &representative) |
| Fixes a column representative.
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void | SetDescription (std::string_view description) |
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void | SetOnDiskId (DescriptorId_t id) |
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virtual std::vector< RValue > | SplitValue (const RValue &value) const |
| Creates the list of direct child values given a value for this field.
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using | ColumnRepresentation_t = std::vector< EColumnType > |
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enum class | EState { kUnconnected
, kConnectedToSink
, kConnectedToSource
} |
| During its lifetime, a field undergoes the following possible state transitions: More...
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using | RConstSchemaIterator = RSchemaIteratorTemplate< true > |
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using | RSchemaIterator = RSchemaIteratorTemplate< false > |
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static constexpr std::uint32_t | kInvalidTypeVersion = -1U |
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static constexpr int | kTraitMappable = 0x04 |
| A field of a fundamental type that can be directly mapped via RField<T>::Map() , i.e.
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static constexpr int | kTraitTriviallyConstructible = 0x01 |
| No constructor needs to be called, i.e.
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static constexpr int | kTraitTriviallyDestructible = 0x02 |
| The type is cleaned up just by freeing its memory. I.e. DestroyValue() is a no-op.
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static constexpr int | kTraitTrivialType = kTraitTriviallyConstructible | kTraitTriviallyDestructible |
| Shorthand for types that are both trivially constructible and destructible.
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static std::size_t | CallAppendOn (RFieldBase &other, const void *from) |
| Allow derived classes to call Append and Read on other (sub) fields.
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static void | CallDestroyValueOn (const RFieldBase &other, void *objPtr, bool dtorOnly=false) |
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static void | CallGenerateValueOn (const RFieldBase &other, void *where) |
| Allow derived classes to call GenerateValue(void *) and DestroyValue on other (sub) fields.
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static void | CallReadOn (RFieldBase &other, const RClusterIndex &clusterIndex, void *to) |
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static void | CallReadOn (RFieldBase &other, NTupleSize_t globalIndex, void *to) |
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static RResult< std::unique_ptr< RFieldBase > > | Create (const std::string &fieldName, const std::string &canonicalType, const std::string &typeAlias) |
| Factory method to resurrect a field from the stored on-disk type information.
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static RColumn * | GetPrincipalColumnOf (const RFieldBase &other) |
| Fields may need direct access to the principal column of their sub fields, e.g. in RRVecField::ReadBulk.
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const ColumnRepresentation_t * | fColumnRepresentative = nullptr |
| Points into the static vector GetColumnRepresentations().GetSerializationTypes() when SetColumnRepresentative is called.
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std::vector< std::unique_ptr< RColumn > > | fColumns |
| The columns are connected either to a sink or to a source (not to both); they are owned by the field.
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std::uint32_t | fOnDiskTypeVersion = kInvalidTypeVersion |
| C++ type version cached from the descriptor after a call to ConnectPageSource()
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RFieldBase * | fParent |
| Sub fields point to their mother field.
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RColumn * | fPrincipalColumn |
| Points into fColumns.
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std::vector< ReadCallback_t > | fReadCallbacks |
| List of functions to be called after reading a value.
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std::vector< std::unique_ptr< RFieldBase > > | fSubFields |
| Collections and classes own sub fields.
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int | fTraits = 0 |
| Properties of the type that allow for optimizations of collections of that type.
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std::string | fTypeAlias |
| A typedef or using name that was used when creating the field.
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