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RNTupleElement Class Reference

Browsing element representing of RNTuple.

Author
Sergey Linev S.Lin.nosp@m.ev@g.nosp@m.si.de
Date
2021-03-08
Warning
This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!

Definition at line 103 of file RNTupleBrowseProvider.cxx.

Public Member Functions

 RNTupleElement (const std::string &ntplName, const std::string &filename)
 
virtual ~RNTupleElement ()=default
 
std::unique_ptr< RItemCreateItem () const override
 Returns item with element description.
 
std::unique_ptr< RLevelIterGetChildsIter () override
 Create iterator for childs elements if any.
 
const TClassGetClass () const
 
std::string GetName () const override
 Name of NTuple.
 
std::string GetTitle () const override
 Title of NTuple.
 
bool IsNull () const
 Returns true if no ntuple found.
 
- Public Member Functions inherited from ROOT::Browsable::RElement
virtual ~RElement ()=default
 
virtual bool cd ()
 Select element as active.
 
virtual bool CheckValid ()
 Check if element still contains valid content.
 
virtual std::string GetContent (const std::string &="text")
 Returns element content, depends from kind.
 
virtual EActionKind GetDefaultAction () const
 Get default action.
 
virtual int GetNumChilds ()
 Returns number of childs By default creates iterator and iterates over all items.
 
virtual std::unique_ptr< RHolderGetObject ()
 Access object.
 
virtual bool IsCapable (EActionKind action) const
 Check if want to perform action.
 
virtual bool IsExpandByDefault () const
 Should item representing element be expand by default.
 
virtual bool IsFolder () const
 Check if element can have childs.
 
virtual bool IsObject (void *)
 Check if element contains provided pointer.
 
virtual bool MatchName (const std::string &name) const
 Checks if element name match to provided value.
 

Protected Attributes

std::shared_ptr< ROOT::Experimental::RNTupleReaderfNtplReader
 

Additional Inherited Members

- Public Types inherited from ROOT::Browsable::RElement
enum  EActionKind {
  kActNone , kActBrowse , kActEdit , kActImage ,
  kActDraw6 , kActDraw7 , kActCanvas , kActTree ,
  kActGeom
}
 Possible actions on double-click. More...
 
enum  EContentKind {
  kNone , kText , kImage , kPng ,
  kJpeg , kJson , kFileName
}
 
- Static Public Member Functions inherited from ROOT::Browsable::RElement
static int ComparePaths (const RElementPath_t &path1, const RElementPath_t &path2)
 Compare two paths, Returns number of elements matches in both paths.
 
static int ExtractItemIndex (std::string &name)
 Extract index from name Index coded by client with ###<indx>$$$ suffix Such coding used by browser to identify element by index.
 
static EContentKind GetContentKind (const std::string &kind)
 Find item with specified name Default implementation, should work for all.
 
static std::string GetPathAsString (const RElementPath_t &path)
 Converts element path back to string.
 
static std::shared_ptr< RElementGetSubElement (std::shared_ptr< RElement > &elem, const RElementPath_t &path)
 Returns sub element.
 
static RElementPath_t ParsePath (const std::string &str)
 Parse string path to produce RElementPath_t One should avoid to use string pathes as much as possible.
 
Inheritance diagram for RNTupleElement:
[legend]

Constructor & Destructor Documentation

◆ RNTupleElement()

RNTupleElement::RNTupleElement ( const std::string &  ntplName,
const std::string &  filename 
)
inline

Definition at line 108 of file RNTupleBrowseProvider.cxx.

◆ ~RNTupleElement()

virtual RNTupleElement::~RNTupleElement ( )
virtualdefault

Member Function Documentation

◆ CreateItem()

std::unique_ptr< RItem > RNTupleElement::CreateItem ( ) const
inlineoverridevirtual

Returns item with element description.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 129 of file RNTupleBrowseProvider.cxx.

◆ GetChildsIter()

std::unique_ptr< RLevelIter > RNTupleElement::GetChildsIter ( )
overridevirtual

Create iterator for childs elements if any.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 230 of file RNTupleBrowseProvider.cxx.

◆ GetClass()

const TClass * RNTupleElement::GetClass ( ) const
inline

Definition at line 127 of file RNTupleBrowseProvider.cxx.

◆ GetName()

std::string RNTupleElement::GetName ( ) const
inlineoverridevirtual

Name of NTuple.

Implements ROOT::Browsable::RElement.

Definition at line 119 of file RNTupleBrowseProvider.cxx.

◆ GetTitle()

std::string RNTupleElement::GetTitle ( ) const
inlineoverridevirtual

Title of NTuple.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 122 of file RNTupleBrowseProvider.cxx.

◆ IsNull()

bool RNTupleElement::IsNull ( ) const
inline

Returns true if no ntuple found.

Definition at line 116 of file RNTupleBrowseProvider.cxx.

Member Data Documentation

◆ fNtplReader

std::shared_ptr<ROOT::Experimental::RNTupleReader> RNTupleElement::fNtplReader
protected

Definition at line 105 of file RNTupleBrowseProvider.cxx.

  • gui/browsable/src/RNTupleBrowseProvider.cxx