A helper class for piece-wise construction of an RColumnDescriptor.
Dangling column descriptors can become actual descriptors when added to an RNTupleDescriptorBuilder instance and then linked to their fields.
Definition at line 926 of file RNTupleDescriptor.hxx.
Public Member Functions | |
RColumnDescriptorBuilder ()=default | |
Make an empty column descriptor builder. | |
RColumnDescriptorBuilder & | FieldId (DescriptorId_t fieldId) |
RColumnDescriptorBuilder & | FirstElementIndex (std::uint64_t firstElementIdx) |
DescriptorId_t | GetFieldId () const |
RColumnDescriptorBuilder & | Index (std::uint32_t index) |
RColumnDescriptorBuilder & | LogicalColumnId (DescriptorId_t logicalColumnId) |
RResult< RColumnDescriptor > | MakeDescriptor () const |
Attempt to make a column descriptor. | |
RColumnDescriptorBuilder & | Model (const RColumnModel &model) |
RColumnDescriptorBuilder & | PhysicalColumnId (DescriptorId_t physicalColumnId) |
Private Attributes | |
RColumnDescriptor | fColumn = RColumnDescriptor() |
#include <ROOT/RNTupleDescriptor.hxx>
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default |
Make an empty column descriptor builder.
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inline |
Definition at line 947 of file RNTupleDescriptor.hxx.
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Definition at line 955 of file RNTupleDescriptor.hxx.
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inline |
Definition at line 960 of file RNTupleDescriptor.hxx.
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inline |
Definition at line 951 of file RNTupleDescriptor.hxx.
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Definition at line 933 of file RNTupleDescriptor.hxx.
ROOT::Experimental::RResult< ROOT::Experimental::RColumnDescriptor > ROOT::Experimental::Internal::RColumnDescriptorBuilder::MakeDescriptor | ( | ) | const |
Attempt to make a column descriptor.
This may fail if the column was not given enough information to make a proper descriptor.
Definition at line 750 of file RNTupleDescriptor.cxx.
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inline |
Definition at line 943 of file RNTupleDescriptor.hxx.
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Definition at line 938 of file RNTupleDescriptor.hxx.
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private |
Definition at line 928 of file RNTupleDescriptor.hxx.