ROOT  6.06/09
Reference Guide
Public Member Functions | Private Member Functions | Private Attributes | Friends | List of all members
TTreeRow Class Reference

Class defining interface to a row of a TTree query result.

Objects of this class are created by TTreeResult methods.

Related classes are TTreeResult.

Definition at line 31 of file TTreeRow.h.

Public Member Functions

 TTreeRow ()
 
 TTreeRow (Int_t nfields)
 Single row of a query result. More...
 
 TTreeRow (Int_t nfields, const Int_t *fields, const char *row)
 Single row of a query result. More...
 
virtual ~TTreeRow ()
 Destroy row object. More...
 
void Close (Option_t *option="")
 Close row. More...
 
ULong_t GetFieldLength (Int_t field)
 Get length in bytes of specified field. More...
 
const char * GetField (Int_t field)
 Get specified field from row (0 <= field < GetFieldCount()). More...
 
void SetRow (const Int_t *fields, const char *row)
 The field and row information. More...
 
- Public Member Functions inherited from TSQLRow
virtual ~TSQLRow ()
 
const char * operator[] (Int_t field)
 
- Public Member Functions inherited from TObject
 TObject ()
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method. More...
 
virtual void Copy (TObject &object) const
 Copy this to obj. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current pad. More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Execute (const char *method, const char *params, Int_t *error=0)
 Execute method on this object with the given parameter string, e.g. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual Option_tGetOption () const
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsSortable () const
 
Bool_t IsOnHeap () const
 
Bool_t IsZombie () const
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
virtual void ls (Option_t *option="") const
 The ls function lists the contents of a class on stdout. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual void Print (Option_t *option="") const
 This method must be overridden when a class wants to print itself. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. More...
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void UseCurrentStyle ()
 Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 
voidoperator new (size_t sz)
 
voidoperator new[] (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz, void *vp)
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
void ResetBit (UInt_t f)
 
Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
void InvertBit (UInt_t f)
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
void MayNotUse (const char *method) const
 Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 

Private Member Functions

 TTreeRow (TSQLRow *original)
 pointer to original row More...
 
Bool_t IsValid (Int_t field)
 Check if row is open and field index within range. More...
 
 TTreeRow (const TTreeRow &)
 
TTreeRowoperator= (const TTreeRow &)
 

Private Attributes

Int_t fColumnCount
 
Int_tfFields
 
char * fRow
 
TTreeRowfOriginal
 

Friends

class TTreeResult
 
class TTreePlayer
 

Additional Inherited Members

- Public Types inherited from TObject
enum  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4),
  kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 
enum  { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- Protected Member Functions inherited from TSQLRow
 TSQLRow ()
 
- Protected Member Functions inherited from TObject
void MakeZombie ()
 
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 

#include <TTreeRow.h>

+ Inheritance diagram for TTreeRow:
+ Collaboration diagram for TTreeRow:

Constructor & Destructor Documentation

TTreeRow::TTreeRow ( TSQLRow original)
private

pointer to original row

This is a shallow copy of a real row, i.e.

it only contains a pointer to the original.

Definition at line 64 of file TTreeRow.cxx.

TTreeRow::TTreeRow ( const TTreeRow )
private
TTreeRow::TTreeRow ( )
TTreeRow::TTreeRow ( Int_t  nfields)

Single row of a query result.

Definition at line 39 of file TTreeRow.cxx.

TTreeRow::TTreeRow ( Int_t  nfields,
const Int_t fields,
const char *  row 
)

Single row of a query result.

Definition at line 51 of file TTreeRow.cxx.

TTreeRow::~TTreeRow ( )
virtual

Destroy row object.

Definition at line 87 of file TTreeRow.cxx.

Member Function Documentation

void TTreeRow::Close ( Option_t option = "")
virtual

Close row.

Implements TSQLRow.

Definition at line 96 of file TTreeRow.cxx.

Referenced by ~TTreeRow().

const char * TTreeRow::GetField ( Int_t  field)
virtual

Get specified field from row (0 <= field < GetFieldCount()).

Implements TSQLRow.

Definition at line 138 of file TTreeRow.cxx.

Referenced by GetField().

ULong_t TTreeRow::GetFieldLength ( Int_t  field)
virtual

Get length in bytes of specified field.

Implements TSQLRow.

Definition at line 123 of file TTreeRow.cxx.

Referenced by GetFieldLength().

Bool_t TTreeRow::IsValid ( Int_t  field)
private

Check if row is open and field index within range.

Definition at line 107 of file TTreeRow.cxx.

Referenced by GetField(), and GetFieldLength().

TTreeRow& TTreeRow::operator= ( const TTreeRow )
private
void TTreeRow::SetRow ( const Int_t fields,
const char *  row 
)

The field and row information.

Definition at line 153 of file TTreeRow.cxx.

Referenced by TTreeRow().

Friends And Related Function Documentation

friend class TTreePlayer
friend

Definition at line 34 of file TTreeRow.h.

friend class TTreeResult
friend

Definition at line 33 of file TTreeRow.h.

Member Data Documentation

Int_t TTreeRow::fColumnCount
private

Definition at line 37 of file TTreeRow.h.

Referenced by Close(), IsValid(), SetRow(), and TTreeRow().

Int_t* TTreeRow::fFields
private

Definition at line 38 of file TTreeRow.h.

Referenced by Close(), GetField(), GetFieldLength(), IsValid(), SetRow(), TTreeRow(), and ~TTreeRow().

TTreeRow* TTreeRow::fOriginal
private

Definition at line 40 of file TTreeRow.h.

Referenced by Close(), GetField(), GetFieldLength(), IsValid(), SetRow(), and TTreeRow().

char* TTreeRow::fRow
private

Definition at line 39 of file TTreeRow.h.

Referenced by Close(), GetField(), SetRow(), and TTreeRow().


The documentation for this class was generated from the following files: