template<typename T, typename = void>
class ROOT::Experimental::RField< T, typename >
Classes with dictionaries that can be inspected by TClass.
Definition at line 873 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 () override=default |
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| ROOT::Experimental::Detail::RFieldValue | GenerateValue (void *where) final |
| | Generates a tree value in a given location of size at least GetValueSize().
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| template<typename... ArgsT> |
| ROOT::Experimental::Detail::RFieldValue | GenerateValue (void *where, ArgsT &&...args) |
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| RField & | operator= (RField &&other)=default |
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| | RClassField (RClassField &&other)=default |
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| | RClassField (std::string_view fieldName, std::string_view className) |
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| | ~RClassField () override=default |
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| void | AcceptVisitor (Detail::RFieldVisitor &visitor) const override |
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| Detail::RFieldValue | CaptureValue (void *where) final |
| | Creates a value from a memory location with an already constructed object.
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| void | DestroyValue (const Detail::RFieldValue &value, bool dtorOnly=false) final |
| | Releases the resources acquired during GenerateValue (memory and constructor) This implementation works for simple types but needs to be overwritten for complex ones.
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| Detail::RFieldValue | GenerateValue (void *where) override |
| | Generates a tree value in a given location of size at least GetValueSize().
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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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| std::uint32_t | GetTypeVersion () const final |
| | Indicates an evolution of the C++ type itself.
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| size_t | GetValueSize () const override |
| | The number of bytes taken by a value of the appropriate type.
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| RClassField & | operator= (RClassField &&other)=default |
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| std::vector< Detail::RFieldValue > | SplitValue (const Detail::RFieldValue &value) const final |
| | Creates the list of direct child values given a value for this field.
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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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| virtual void | AcceptVisitor (RFieldVisitor &visitor) const |
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| std::size_t | Append (const RFieldValue &value) |
| | Write the given value into columns.
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| void | Attach (std::unique_ptr< Detail::RFieldBase > child) |
| | Add a new subfield to the list of nested fields.
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| RSchemaIterator | begin () |
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| virtual RFieldValue | CaptureValue (void *where)=0 |
| | Creates a value from a memory location with an already constructed object.
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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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| virtual void | CommitCluster () |
| | Perform housekeeping tasks for global to cluster-local index translation.
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| void | ConnectPageSink (RPageSink &pageSink) |
| | 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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| virtual void | DestroyValue (const RFieldValue &value, bool dtorOnly=false) |
| | Releases the resources acquired during GenerateValue (memory and constructor) This implementation works for simple types but needs to be overwritten for complex ones.
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| RSchemaIterator | end () |
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| void | Flush () const |
| | Ensure that all received items are written from page buffers to the storage.
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| RFieldValue | GenerateValue () |
| | Generates an object of the field type and allocates new initialized memory according to the type.
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| virtual RFieldValue | GenerateValue (void *where)=0 |
| | Generates a tree value in a given location of size at least GetValueSize().
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| virtual size_t | GetAlignment () const =0 |
| | As a rule of thumb, the alignment is equal to the size of 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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| 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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| virtual std::uint32_t | GetTypeVersion () const |
| | Indicates an evolution of the C++ type itself.
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| virtual size_t | GetValueSize () const =0 |
| | The number of bytes taken by a value of the appropriate type.
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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 | Read (const RClusterIndex &clusterIndex, RFieldValue *value) |
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| void | Read (NTupleSize_t globalIndex, RFieldValue *value) |
| | Populate a single value with data from the tree, which needs to be of the fitting type.
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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< RFieldValue > | SplitValue (const RFieldValue &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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| 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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| std::size_t | AppendImpl (const Detail::RFieldValue &value) final |
| | Operations on values of complex types, e.g.
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| std::unique_ptr< Detail::RFieldBase > | CloneImpl (std::string_view newName) const final |
| | Called by Clone(), which additionally copies the on-disk ID.
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| void | GenerateColumnsImpl () final |
| | Creates the backing columns corresponsing to the field type for writing.
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| void | GenerateColumnsImpl (const RNTupleDescriptor &) final |
| | Creates the backing columns corresponsing to the field type for reading.
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| void | OnConnectPageSource () final |
| | Called by ConnectPageSource() only once connected; derived classes may override this as appropriate.
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| void | ReadGlobalImpl (NTupleSize_t globalIndex, Detail::RFieldValue *value) final |
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| void | ReadInClusterImpl (const RClusterIndex &clusterIndex, Detail::RFieldValue *value) final |
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| size_t | AddReadCallback (ReadCallback_t func) |
| | Set a user-defined function to be called after reading a value, giving a chance to inspect and/or modify the value object.
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| virtual std::size_t | AppendImpl (const RFieldValue &value) |
| | Operations on values of complex types, e.g.
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| void | AutoAdjustColumnTypes (const RNTupleWriteOptions &options) |
| | When connecting a field to a page sink, the field's default column representation is subject to adjustment according to the write options.
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| virtual std::unique_ptr< RFieldBase > | CloneImpl (std::string_view newName) const =0 |
| | Called by Clone(), which additionally copies the on-disk ID.
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| const ColumnRepresentation_t & | EnsureCompatibleColumnTypes (const RNTupleDescriptor &desc) const |
| | Returns the on-disk column types found in the provided descriptor for fOnDiskId.
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| virtual void | GenerateColumnsImpl ()=0 |
| | Creates the backing columns corresponsing to the field type for writing.
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| virtual void | GenerateColumnsImpl (const RNTupleDescriptor &desc)=0 |
| | Creates the backing columns corresponsing to the field type for reading.
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| virtual const RColumnRepresentations & | GetColumnRepresentations () const |
| | Implementations in derived classes should return a static RColumnRepresentations object.
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| virtual void | OnConnectPageSource () |
| | Called by ConnectPageSource() only once connected; derived classes may override this as appropriate.
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| virtual void | ReadGlobalImpl (NTupleSize_t globalIndex, RFieldValue *value) |
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| virtual void | ReadInClusterImpl (const RClusterIndex &clusterIndex, RFieldValue *value) |
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| void | RemoveReadCallback (size_t idx) |
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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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Public Member Functions inherited from ROOT::Experimental::RClassField