The field for a class with dictionary.
Definition at line 268 of file RField.hxx.
Public Member Functions | |
RFieldClass (RFieldClass &&other)=default | |
RFieldClass (std::string_view fieldName, std::string_view className) | |
~RFieldClass ()=default | |
void | AcceptVisitor (Detail::RFieldVisitor &visitor) const override |
Detail::RFieldValue | CaptureValue (void *where) final |
Creates a value from a memory location with an already constructed object. More... | |
RFieldBase * | Clone (std::string_view newName) final |
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. More... | |
void | GenerateColumnsImpl () final |
Creates the backing columns corresponsing to the field type and name. More... | |
Detail::RFieldValue | GenerateValue (void *where) override |
Generates a tree value in a given location of size at least GetValueSize(). More... | |
size_t | GetAlignment () const final |
For many types, the alignment requirement is equal to the size; otherwise override. More... | |
size_t | GetValueSize () const override |
The number of bytes taken by a value of the appropriate type. More... | |
RFieldClass & | operator= (RFieldClass &&other)=default |
std::vector< Detail::RFieldValue > | SplitValue (const Detail::RFieldValue &value) const final |
Creates the list of direct child values given a value for this field. More... | |
Public Member Functions inherited from ROOT::Experimental::Detail::RFieldBase | |
RFieldBase (const RFieldBase &)=delete | |
RFieldBase (RFieldBase &&)=default | |
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. More... | |
virtual | ~RFieldBase () |
virtual void | AcceptVisitor (RFieldVisitor &visitor) const |
void | Append (const RFieldValue &value) |
Write the given value into columns. The value object has to be of the same type as the field. More... | |
void | Attach (std::unique_ptr< Detail::RFieldBase > child) |
Add a new subfield to the list of nested fields. More... | |
RSchemaIterator | begin () |
virtual RFieldValue | CaptureValue (void *where)=0 |
Creates a value from a memory location with an already constructed object. More... | |
virtual RFieldBase * | Clone (std::string_view newName)=0 |
virtual void | CommitCluster () |
Perform housekeeping tasks for global to cluster-local index translation. More... | |
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. More... | |
RSchemaIterator | end () |
void | Flush () const |
Ensure that all received items are written from page buffers to the storage. More... | |
RFieldValue | GenerateValue () |
Generates an object of the field type and allocates new initialized memory according to the type. More... | |
virtual RFieldValue | GenerateValue (void *where)=0 |
Generates a tree value in a given location of size at least GetValueSize(). More... | |
virtual size_t | GetAlignment () const |
For many types, the alignment requirement is equal to the size; otherwise override. More... | |
virtual RNTupleVersion | GetFieldVersion () const |
Indicates an evolution of the mapping scheme from C++ type to columns. More... | |
std::string | GetName () const |
NTupleSize_t | GetNElements () const |
std::size_t | GetNRepetitions () const |
const RFieldBase * | GetParent () const |
ENTupleStructure | GetStructure () const |
std::vector< const RFieldBase * > | GetSubFields () const |
std::string | GetType () const |
virtual RNTupleVersion | GetTypeVersion () const |
Indicates an evolution of the C++ type itself. More... | |
virtual size_t | GetValueSize () const =0 |
The number of bytes taken by a value of the appropriate type. More... | |
bool | IsSimple () const |
RFieldBase & | operator= (const RFieldBase &)=delete |
RFieldBase & | operator= (RFieldBase &&)=default |
void | Read (const RClusterIndex &clusterIndex, RFieldValue *value) |
void | Read (NTupleSize_t globalIndex, RFieldValue *value) |
Populate a single value with data from the tree, which needs to be of the fitting type. More... | |
virtual std::vector< RFieldValue > | SplitValue (const RFieldValue &value) const |
Creates the list of direct child values given a value for this field. More... | |
Protected Member Functions | |
void | AppendImpl (const Detail::RFieldValue &value) final |
Operations on values of complex types, e.g. More... | |
void | ReadGlobalImpl (NTupleSize_t globalIndex, Detail::RFieldValue *value) final |
void | ReadInClusterImpl (const RClusterIndex &clusterIndex, Detail::RFieldValue *value) final |
virtual void | AppendImpl (const RFieldValue &value) |
Operations on values of complex types, e.g. More... | |
virtual void | GenerateColumnsImpl ()=0 |
Creates the backing columns corresponsing to the field type and name. More... | |
virtual void | ReadGlobalImpl (NTupleSize_t globalIndex, RFieldValue *value) |
virtual void | ReadInClusterImpl (const RClusterIndex &clusterIndex, RFieldValue *value) |
Private Attributes | |
TClass * | fClass |
std::size_t | fMaxAlignment = 1 |
Additional Inherited Members | |
Static Public Member Functions inherited from ROOT::Experimental::Detail::RFieldBase | |
static RFieldBase * | Create (const std::string &fieldName, const std::string &typeName) |
Factory method to resurrect a field from the stored on-disk type information. More... | |
Protected Attributes inherited from ROOT::Experimental::Detail::RFieldBase | |
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. More... | |
RFieldBase * | fParent |
Sub fields point to their mother field. More... | |
RColumn * | fPrincipalColumn |
Points into fColumns. More... | |
std::vector< std::unique_ptr< RFieldBase > > | fSubFields |
Collections and classes own sub fields. More... | |
#include <ROOT/RField.hxx>
ROOT::Experimental::RFieldClass::RFieldClass | ( | std::string_view | fieldName, |
std::string_view | className | ||
) |
Definition at line 502 of file RField.cxx.
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default |
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default |
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overridevirtual |
Reimplemented from ROOT::Experimental::Detail::RFieldBase.
Definition at line 597 of file RField.cxx.
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finalprotectedvirtual |
Operations on values of complex types, e.g.
ones that involve multiple columns or for which no direct column type exists.
Reimplemented from ROOT::Experimental::Detail::RFieldBase.
Definition at line 523 of file RField.cxx.
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finalvirtual |
Creates a value from a memory location with an already constructed object.
Implements ROOT::Experimental::Detail::RFieldBase.
Definition at line 571 of file RField.cxx.
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finalvirtual |
Implements ROOT::Experimental::Detail::RFieldBase.
Definition at line 518 of file RField.cxx.
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finalvirtual |
Releases the resources acquired during GenerateValue (memory and constructor) This implementation works for simple types but needs to be overwritten for complex ones.
Reimplemented from ROOT::Experimental::Detail::RFieldBase.
Definition at line 564 of file RField.cxx.
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finalvirtual |
Creates the backing columns corresponsing to the field type and name.
Implements ROOT::Experimental::Detail::RFieldBase.
Definition at line 555 of file RField.cxx.
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overridevirtual |
Generates a tree value in a given location of size at least GetValueSize().
Assumes that where has been allocated by malloc().
Implements ROOT::Experimental::Detail::RFieldBase.
Reimplemented in ROOT::Experimental::RField< T, typename >.
Definition at line 559 of file RField.cxx.
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inlinefinalvirtual |
For many types, the alignment requirement is equal to the size; otherwise override.
Reimplemented from ROOT::Experimental::Detail::RFieldBase.
Definition at line 292 of file RField.hxx.
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overridevirtual |
The number of bytes taken by a value of the appropriate type.
Implements ROOT::Experimental::Detail::RFieldBase.
Definition at line 592 of file RField.cxx.
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default |
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finalprotectedvirtual |
Reimplemented from ROOT::Experimental::Detail::RFieldBase.
Definition at line 533 of file RField.cxx.
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finalprotectedvirtual |
Reimplemented from ROOT::Experimental::Detail::RFieldBase.
Definition at line 544 of file RField.cxx.
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finalvirtual |
Creates the list of direct child values given a value for this field.
E.g. a single value for the correct variant or all the elements of a collection. The default implementation assumes no sub values and returns an empty vector.
Reimplemented from ROOT::Experimental::Detail::RFieldBase.
Definition at line 578 of file RField.cxx.
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private |
Definition at line 270 of file RField.hxx.
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private |
Definition at line 271 of file RField.hxx.