NTuple-related classes

tuple classes designed for future ROOT version 7 (experimental!)

Files
file	libdaos_mock.cxx
file	RCluster.cxx
file	RCluster.hxx
file	RClusterPool.cxx
file	RClusterPool.hxx
file	RColumn.cxx
file	RColumn.hxx
file	RColumnElement.cxx
file	RColumnElementBase.hxx
file	RDaos.cxx
file	RDaos.hxx
file	REntry.hxx
file	RField.cxx
file	RField.hxx
file	RFieldBase.hxx
file	RFieldVisitor.cxx
file	RFieldVisitor.hxx
file	RMiniFile.cxx
file	RMiniFile.hxx
file	RNTuple.cxx
file	RNTuple.hxx
file	RNTupleDescriptor.cxx
file	RNTupleDescriptor.hxx
file	RNTupleDescriptorFmt.cxx
file	RNTupleDS.cxx
file	RNTupleDS.hxx
file	RNTupleFillContext.cxx
file	RNTupleFillContext.hxx
file	RNTupleFillStatus.hxx
file	RNTupleImporter.cxx
file	RNTupleImporter.hxx
file	RNTupleImtTaskScheduler.hxx
file	RNTupleIndex.cxx
file	RNTupleIndex.hxx
file	RNTupleInspector.cxx
file	RNTupleInspector.hxx
file	RNTupleMerger.cxx
file	RNTupleMerger.hxx
file	RNTupleMetrics.cxx
file	RNTupleMetrics.hxx
file	RNTupleModel.cxx
file	RNTupleModel.hxx
file	RNTupleParallelWriter.cxx
file	RNTupleParallelWriter.hxx
file	RNTupleProcessor.cxx
file	RNTupleProcessor.hxx
file	RNTupleReader.cxx
file	RNTupleReader.hxx
file	RNTupleReadOptions.hxx
file	RNTupleSerialize.cxx
file	RNTupleSerialize.hxx
file	RNTupleUtil.cxx
file	RNTupleUtil.hxx
file	RNTupleView.cxx
file	RNTupleView.hxx
file	RNTupleWriteOptions.cxx
file	RNTupleWriteOptions.hxx
file	RNTupleWriteOptionsDaos.hxx
file	RNTupleWriter.hxx
file	RNTupleZip.hxx
file	RPage.cxx
file	RPage.hxx
file	RPageAllocator.cxx
file	RPageAllocator.hxx
file	RPageNullSink.hxx
file	RPagePool.cxx
file	RPagePool.hxx
file	RPageSinkBuf.cxx
file	RPageSinkBuf.hxx
file	RPageSourceFriends.cxx
file	RPageSourceFriends.hxx
file	RPageStorage.cxx
file	RPageStorage.hxx
file	RPageStorageDaos.cxx
file	RPageStorageDaos.hxx
file	RPageStorageFile.cxx
file	RPageStorageFile.hxx

Classes
class	EColumnType
	The available trivial, native content types of a column. More...
class	ROOT::Experimental::RArrayAsRVecField
	Additional classes related to sequence containers. More...
class	ROOT::Experimental::Internal::RCluster
	An in-memory subset of the packed and compressed pages of a cluster. More...
class	ROOT::Experimental::RClusterDescriptor
	Meta-data for a set of ntuple clusters. More...
class	ROOT::Experimental::Internal::RClusterDescriptorBuilder
	A helper class for piece-wise construction of an RClusterDescriptor. More...
class	ROOT::Experimental::RNTupleDescriptor::RClusterDescriptorIterable
	Used to loop over all the clusters of an ntuple (in unspecified order) More...
class	ROOT::Experimental::RClusterGroupDescriptor
	Clusters are bundled in cluster groups. More...
class	ROOT::Experimental::Internal::RClusterGroupDescriptorBuilder
	A helper class for piece-wise construction of an RClusterGroupDescriptor. More...
class	ROOT::Experimental::RNTupleDescriptor::RClusterGroupDescriptorIterable
	Used to loop over all the cluster groups of an ntuple (in unspecified order) More...
class	ROOT::Experimental::Internal::RClusterPool
	Managed a set of clusters containing compressed and packed pages. More...
class	ROOT::Experimental::Internal::RColumn
	A column is a storage-backed array of a simple, fixed-size type, from which pages can be mapped into memory. More...
class	ROOT::Experimental::RColumnDescriptor
	Meta-data stored for every column of an ntuple. More...
class	ROOT::Experimental::Internal::RColumnDescriptorBuilder
	A helper class for piece-wise construction of an RColumnDescriptor. More...
class	ROOT::Experimental::RNTupleDescriptor::RColumnDescriptorIterable
	Used to loop over a field's associated columns. More...
class	ROOT::Experimental::Internal::RColumnElementBase
	A column element encapsulates the translation between basic C++ types and their column representation. More...
class	ROOT::Experimental::Internal::RDaosNTupleAnchor
	Entry point for an RNTuple in a DAOS container. More...
class	ROOT::Experimental::REntry
	The REntry is a collection of values in an ntuple corresponding to a complete row in the data set. More...
class	ROOT::Experimental::RExtraTypeInfoDescriptor
	Field specific extra type information from the header / extenstion header. More...
class	ROOT::Experimental::Internal::RExtraTypeInfoDescriptorBuilder
	A helper class for piece-wise construction of an RExtraTypeInfoDescriptor. More...
class	ROOT::Experimental::RNTupleDescriptor::RExtraTypeInfoDescriptorIterable
	Used to loop over all the extra type info record of an ntuple (in unspecified order) More...
class	ROOT::Experimental::RFieldBase
	A field translates read and write calls from/to underlying columns to/from tree values. More...
class	ROOT::Experimental::RNTupleProcessor::RFieldContext
	Manager for a field as part of the RNTupleProcessor. More...
class	ROOT::Experimental::RFieldDescriptor
	Meta-data stored for every field of an ntuple. More...
class	ROOT::Experimental::Internal::RFieldDescriptorBuilder
	A helper class for piece-wise construction of an RFieldDescriptor. More...
class	ROOT::Experimental::RNTupleDescriptor::RFieldDescriptorIterable
	Used to loop over a field's child fields. More...
class	ROOT::Experimental::Detail::RFieldVisitor
	Abstract base class for classes implementing the visitor design pattern. More...
class	ROOT::Experimental::RNTupleDescriptor::RHeaderExtension
	Summarizes information about fields and the corresponding columns that were added after the header has been serialized. More...
class	ROOT::Experimental::RNTupleProcessor::RIterator
	Iterator over the entries of an RNTuple, or vertical concatenation thereof. More...
class	ROOT::Experimental::Internal::RMiniFileReader
	Read RNTuple data blocks from a TFile container, provided by a RRawFile. More...
class	ROOT::RNTuple
	Representation of an RNTuple data set in a ROOT file. More...
class	ROOT::Experimental::Detail::RNTupleAtomicCounter
	A thread-safe integral performance counter. More...
class	ROOT::Experimental::Detail::RNTupleCalcPerf
	A metric element that computes its floating point value from other counters. More...
class	ROOT::Experimental::RNTupleChainProcessor
	Processor specializiation for vertically concatenated RNTuples (chains). More...
class	ROOT::Experimental::RNTupleClusterRange
	Used to loop over entries of collections in a single cluster. More...
class	ROOT::Experimental::RNTupleCollectionView
	A view for a collection, that can itself generate new ntuple views for its nested fields. More...
class	ROOT::Experimental::Internal::RNTupleCompressor
	Helper class to compress data blocks in the ROOT compression frame format. More...
class	ROOT::Experimental::Internal::RNTupleDecompressor
	Helper class to uncompress data blocks in the ROOT compression frame format. More...
class	ROOT::Experimental::RNTupleDescriptor
	The on-storage meta-data of an ntuple. More...
class	ROOT::Experimental::Internal::RNTupleDescriptorBuilder
	A helper class for piece-wise construction of an RNTupleDescriptor. More...
class	ROOT::Experimental::RNTupleDirectAccessView< T >
	A view variant that provides direct access to the I/O buffers. More...
class	ROOT::Experimental::Internal::RNTupleFileWriter
	Write RNTuple data blocks in a TFile or a bare file container. More...
class	ROOT::Experimental::RNTupleFillContext
	A context for filling entries (data) into clusters of an RNTuple. More...
class	ROOT::Experimental::RNTupleFillStatus
	A status object after filling an entry. More...
class	ROOT::Experimental::RNTupleFormatter
	Contains helper functions for RNTupleReader::PrintInfo() and RPrintSchemaVisitor::VisitField() More...
class	ROOT::Experimental::RNTupleGlobalRange
	Used to loop over indexes (entries or collections) between start and end. More...
class	ROOT::Experimental::RNTupleImporter
	Converts a TTree into an RNTuple. More...
class	ROOT::Experimental::Internal::RNTupleIndex
	Builds an index on one or several fields of an RNTuple so it can be joined onto other RNTuples. More...
class	ROOT::Experimental::RNTupleInspector
	Inspect on-disk and storage-related information of an RNTuple. More...
class	ROOT::Experimental::Internal::RNTupleMerger
	Given a set of RPageSources merge them into an RPageSink, optionally changing their compression. More...
class	ROOT::Experimental::Detail::RNTupleMetrics
	A collection of Counter objects with a name, a unit, and a description. More...
class	ROOT::Experimental::RNTupleModel
	The RNTupleModel encapulates the schema of an ntuple. More...
class	ROOT::Experimental::Internal::RNTupleModelChangeset
	The incremental changes to a RNTupleModel More...
class	ROOT::Experimental::RNTupleParallelWriter
	A writer to fill an RNTuple from multiple contexts. More...
class	ROOT::Experimental::Detail::RNTuplePerfCounter
	A performance counter with a name and a unit, which can be activated on demand. More...
class	ROOT::Experimental::Detail::RNTuplePlainCounter
	A non thread-safe integral performance counter. More...
class	ROOT::Experimental::RNTupleProcessor
	Interface for iterating over entries of RNTuples and vertically concatenated RNTuples (chains). More...
class	ROOT::Experimental::RNTupleReader
	An RNTuple that is used to read data from storage. More...
class	ROOT::Experimental::RNTupleReadOptions
	Common user-tunable settings for reading ntuples. More...
class	ROOT::Experimental::Internal::RNTupleSerializer
	A helper class for serializing and deserialization of the RNTuple binary format. More...
class	ROOT::Experimental::Detail::RNTupleTickCounter< BaseCounterT >
	An either thread-safe or non thread safe counter for CPU ticks. More...
class	ROOT::Experimental::Detail::RNTupleTimer< WallTimeT, CpuTimeT >
	Record wall time and CPU time between construction and destruction. More...
class	ROOT::Experimental::RNTupleView< T >
	An RNTupleView for a known type. More...
class	ROOT::Experimental::RNTupleViewBase< T >
	An RNTupleView provides read-only access to a single field of the ntuple. More...
class	ROOT::Experimental::RNTupleWriteOptions
	Common user-tunable settings for storing ntuples. More...
class	ROOT::Experimental::RNTupleWriteOptionsDaos
	DAOS-specific user-tunable settings for storing ntuples. More...
class	ROOT::Experimental::RNTupleWriter
	An RNTuple that gets filled with entries (data) and writes them to storage. More...
class	ROOT::Experimental::Internal::ROnDiskPage
	A page as being stored on disk, that is packed and compressed. More...
class	ROOT::Experimental::Internal::ROnDiskPageMap
	A memory region that contains packed and compressed pages. More...
class	ROOT::Experimental::Internal::ROnDiskPageMapHeap
	An ROnDiskPageMap that is used for an fMemory allocated as an array of unsigned char. More...
class	ROOT::Experimental::Internal::RPage
	A page is a slice of a column that is mapped into memory. More...
class	ROOT::Experimental::Internal::RPageAllocator
	Abstract interface to allocate and release pages. More...
class	ROOT::Experimental::Internal::RPageAllocatorHeap
	Uses standard C++ memory allocation for the column data pages. More...
class	ROOT::Experimental::Internal::RPageNullSink
	Dummy sink that discards all pages. More...
class	ROOT::Experimental::Internal::RPagePersistentSink
	Base class for a sink with a physical storage backend. More...
class	ROOT::Experimental::Internal::RPagePool
	A thread-safe cache of pages loaded from the page source. More...
class	ROOT::Experimental::RClusterDescriptor::RPageRange
	Records the partition of data into pages for a particular column in a particular cluster. More...
class	ROOT::Experimental::Internal::RPageRef
	Reference to a page stored in the page pool. More...
class	ROOT::Experimental::Internal::RPageSink
	Abstract interface to write data into an ntuple. More...
class	ROOT::Experimental::Internal::RPageSinkBuf
	Wrapper sink that coalesces cluster column page writes. More...
class	ROOT::Experimental::Internal::RPageSinkDaos
	Storage provider that writes ntuple pages to into a DAOS container. More...
class	ROOT::Experimental::Internal::RPageSinkFile
	Storage provider that write ntuple pages into a file. More...
class	ROOT::Experimental::Internal::RPageSource
	Abstract interface to read data from an ntuple. More...
class	ROOT::Experimental::Internal::RPageSourceDaos
	Storage provider that reads ntuple pages from a DAOS container. More...
class	ROOT::Experimental::Internal::RPageSourceFile
	Storage provider that reads ntuple pages from a file. More...
class	ROOT::Experimental::Internal::RPageSourceFriends
	Virtual storage that combines several other sources horizontally. More...
class	ROOT::Experimental::Internal::RPageStorage
	Common functionality of an ntuple storage for both reading and writing. More...
class	ROOT::Experimental::RPrepareVisitor
	Visitor used for a pre-processing run to collect information needed by another visitor class. More...
class	ROOT::Experimental::RPrintSchemaVisitor
	Contains settings for printing and prints a summary of an RField instance. More...
class	ROOT::Experimental::RPrintValueVisitor
	Renders a JSON value corresponding to the field. More...
class	ROOT::Experimental::Internal::RProjectedFields
	The projected fields of a RNTupleModel More...
class	ROOT::Experimental::Internal::RWritePageMemoryManager
	Helper to maintain a memory budget for the write pages of a set of columns. More...