Logo ROOT  
Reference Guide
 
Loading...
Searching...
No Matches
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.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  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  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::Experimental::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::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  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  RProcessorState
 View on the RNTupleProcessor iterator state. More...
 
class  ROOT::Experimental::Internal::RWritePageMemoryManager
 Helper to maintain a memory budget for the write pages of a set of columns. More...