GaudiAlg::ID Class Reference

ID class for Histogram and Ntuples. More...

#include <GaudiAlg/GaudiHistoID.h>

Collaboration diagram for GaudiAlg::ID:

List of all members.

Public Types
typedef int	NumericID
	type for internal numeric ID
typedef std::string	LiteralID
	type for internal literal ID
Public Member Functions
	ID (const NumericID id=-1)
	Implicit constructor from a numeric ID.
	ID (const LiteralID &id)
	Implicit constructor from a literal ID.
	ID (const char *id)
	Implicit constructor from a literal ID.
	~ID ()
	Destructor.
bool	numeric () const
	Is this ID numeric.
bool	literal () const
	Is this ID numeric.
bool	undefined () const
	Is this ID undefined.
const LiteralID &	literalID () const
	Returns the ID as a LiteralID.
NumericID	numericID () const
	Returns the numerical ID.
GAUDI_API LiteralID	idAsString () const
	Return ID as string, for both numeric and literal IDs.
	operator std::string () const
	cast operator to std::string
bool	operator== (const ID &id) const
	Implement the operator == Implementation depends on type of ID.
bool	operator!= (const ID &id) const
	Implement the != operator, using the == operator.
bool	operator< (const ID &id) const
	Implement the operator < Implementation depends on type of ID.
GAUDI_API std::ostream &	fillStream (std::ostream &s) const
bool	operator! () const
	good ID?
size_t	hash () const
	return hash value (for python)
size_t	__hash__ () const
	return hash value (for python)
Private Attributes
NumericID	m_nID
	Internal numeric ID.
LiteralID	m_aID
	Internal alpha-numeric ID.
size_t	m_hash
	the hash value of ID

---

Detailed Description

ID class for Histogram and Ntuples.

Internally handles both numeric and string like IDs

Author:

Chris Jones Christopher.Rob.Jones@cern.ch

Date:

2005-08-12

Definition at line 46 of file GaudiHistoID.h.

---

Member Typedef Documentation

typedef std::string GaudiAlg::ID::LiteralID

type for internal literal ID

Definition at line 53 of file GaudiHistoID.h.

typedef int GaudiAlg::ID::NumericID

type for internal numeric ID

Definition at line 51 of file GaudiHistoID.h.

---

Constructor & Destructor Documentation

GaudiAlg::ID::ID

(

const NumericID

id = -1 )

Implicit constructor from a numeric ID.

Definition at line 29 of file GaudiHistoID.cpp.

  : m_nID  ( id ) 
  , m_aID  ( "" )
  , m_hash ( boost::hash_value ( id ) ) 
{}

GaudiAlg::ID::ID

(

const LiteralID &

id )

Implicit constructor from a literal ID.

GaudiAlg::ID::ID

(

const char *

id )

Implicit constructor from a literal ID.

Definition at line 45 of file GaudiHistoID.cpp.

  : m_nID  ( -1 ) 
  , m_aID  ( id ) 
  , m_hash ( 0 ) 
{ m_hash = boost::hash_value ( m_aID ) ; }

GaudiAlg::ID::~ID

(

)

[inline]

Destructor.

Definition at line 64 of file GaudiHistoID.h.

{} ;

---

Member Function Documentation

size_t GaudiAlg::ID::__hash__

(

)

const [inline]

return hash value (for python)

Definition at line 119 of file GaudiHistoID.h.

{ return   hash () ; }

std::ostream & GaudiAlg::ID::fillStream

(

std::ostream &

s )

const

Definition at line 60 of file GaudiHistoID.cpp.

{
  if      ( numeric() ) { s << numericID() ; }
  else if ( literal() ) { s << literalID() ; }
  else                  { s << "UNDEFINED" ; }
  return s ;
}

size_t GaudiAlg::ID::hash

(

)

const [inline]

return hash value (for python)

Definition at line 117 of file GaudiHistoID.h.

{ return m_hash    ; }

GaudiAlg::ID::LiteralID GaudiAlg::ID::idAsString

(

)

const

Return ID as string, for both numeric and literal IDs.

Definition at line 51 of file GaudiHistoID.cpp.

{
  std::ostringstream s ;
  fillStream ( s ) ;
  return s.str() ;
}

bool GaudiAlg::ID::literal

(

)

const [inline]

Is this ID numeric.

Definition at line 68 of file GaudiHistoID.h.

{ return !m_aID.empty() ; }

const LiteralID& GaudiAlg::ID::literalID

(

)

const [inline]

Returns the ID as a LiteralID.

Definition at line 72 of file GaudiHistoID.h.

{ return m_aID; }

bool GaudiAlg::ID::numeric

(

)

const [inline]

Is this ID numeric.

Definition at line 66 of file GaudiHistoID.h.

{ return -1 != m_nID ;    }

NumericID GaudiAlg::ID::numericID

(

)

const [inline]

Returns the numerical ID.

Definition at line 74 of file GaudiHistoID.h.

{ return m_nID; }

GaudiAlg::ID::operator std::string

(

)

const [inline]

cast operator to std::string

Definition at line 78 of file GaudiHistoID.h.

{ return idAsString () ; }

bool GaudiAlg::ID::operator!

(

)

const [inline]

good ID?

Definition at line 112 of file GaudiHistoID.h.

{ return undefined() ; }

bool GaudiAlg::ID::operator!=

(

const ID &

id )

const [inline]

Implement the != operator, using the == operator.

Definition at line 92 of file GaudiHistoID.h.

{ return ! ( *this == id ) ; }

bool GaudiAlg::ID::operator<

(

const ID &

id )

const [inline]

Implement the operator < Implementation depends on type of ID.

Returns:

boolean indicating the order of the IDs

Definition at line 97 of file GaudiHistoID.h.

    {
      return
        //hash () < id.hash () ? true  :
        //hash () > id.hash () ? false :      
        numeric    () && id.numeric() ? numericID() < id.numericID() :
        literal    () && id.literal() ? literalID() < id.literalID() :
        idAsString () < id.idAsString() ;
    }

bool GaudiAlg::ID::operator==

(

const ID &

id )

const [inline]

Implement the operator == Implementation depends on type of ID.

Returns:

boolean indicating if the IDs are equal

Definition at line 83 of file GaudiHistoID.h.

    {
      return 
        hash    () != id.hash    () ? false                           :  
        numeric () && id.numeric () ? id.numericID () == numericID () :
        literal () && id.literal () ? id.literalID () == literalID () :
        idAsString () == id.idAsString() ; 
    }

bool GaudiAlg::ID::undefined

(

)

const [inline]

Is this ID undefined.

Definition at line 70 of file GaudiHistoID.h.

{ return !numeric() && !literal(); }

---

Member Data Documentation

LiteralID GaudiAlg::ID::m_aID [private]

Internal alpha-numeric ID.

Definition at line 126 of file GaudiHistoID.h.

size_t GaudiAlg::ID::m_hash [private]

the hash value of ID

Definition at line 131 of file GaudiHistoID.h.

NumericID GaudiAlg::ID::m_nID [private]

Internal numeric ID.

Definition at line 124 of file GaudiHistoID.h.

---

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r0/GaudiAlg/GaudiAlg/GaudiHistoID.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r0/GaudiAlg/src/lib/GaudiHistoID.cpp