A helper class for piece-wise construction of an RFieldDescriptor.
Dangling field descriptors describe a single field in isolation. They are missing the necessary relationship information (parent field, any child fields) required to describe a real NTuple field.
Dangling field descriptors can only become actual descriptors when added to an RNTupleDescriptorBuilder instance and then linked to other fields.
Definition at line 1169 of file RNTupleDescriptor.hxx.
Static Public Member Functions | |
static RFieldDescriptorBuilder | FromField (const RFieldBase &field) |
Make a new RFieldDescriptorBuilder based off a live NTuple field. | |
Private Attributes | |
RFieldDescriptor | fField = RFieldDescriptor() |
#include <ROOT/RNTupleDescriptor.hxx>
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default |
Make an empty dangling field descriptor.
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explicit |
Make a new RFieldDescriptorBuilder based off an existing descriptor.
Relationship information is lost during the conversion to a dangling descriptor:
These properties must be set using RNTupleDescriptorBuilder::AddFieldLink().
Definition at line 1026 of file RNTupleDescriptor.cxx.
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Definition at line 1218 of file RNTupleDescriptor.hxx.
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Definition at line 1188 of file RNTupleDescriptor.hxx.
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Definition at line 1213 of file RNTupleDescriptor.hxx.
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Definition at line 1193 of file RNTupleDescriptor.hxx.
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static |
Make a new RFieldDescriptorBuilder based off a live NTuple field.
Definition at line 1035 of file RNTupleDescriptor.cxx.
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inline |
Definition at line 1248 of file RNTupleDescriptor.hxx.
ROOT::RResult< ROOT::Experimental::RFieldDescriptor > ROOT::Experimental::Internal::RFieldDescriptorBuilder::MakeDescriptor | ( | ) | const |
Attempt to make a field descriptor.
This may fail if the dangling field was not given enough information to make a proper descriptor.
Definition at line 1052 of file RNTupleDescriptor.cxx.
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Definition at line 1233 of file RNTupleDescriptor.hxx.
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Definition at line 1203 of file RNTupleDescriptor.hxx.
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Definition at line 1208 of file RNTupleDescriptor.hxx.
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Definition at line 1238 of file RNTupleDescriptor.hxx.
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Definition at line 1228 of file RNTupleDescriptor.hxx.
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Definition at line 1243 of file RNTupleDescriptor.hxx.
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Definition at line 1223 of file RNTupleDescriptor.hxx.
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Definition at line 1198 of file RNTupleDescriptor.hxx.
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private |
Definition at line 1171 of file RNTupleDescriptor.hxx.