JLANG::JGroup< T > Struct Template Reference

Auxiliary class for a fixed group of objects. More...

#include <JGroup.hh>

Public Member Functions
const T &	operator() (const int index) const
	Get object at given index in group.
int	operator() (const T &object) const
	Get index of given objec in group.

Static Public Member Functions
static const JGroup &	getInstance ()
	Get unique instance.

Static Public Attributes
static const int	size = sizeof(JGroup<T>::group) / sizeof(JGroup<T>::group[0])
	Number of objects.

Private Member Functions
	JGroup ()
	Default constructor.
const double	group []

Static Private Attributes
static const T	group []
	actual group

Detailed Description

template<class T>
struct JLANG::JGroup< T >

Auxiliary class for a fixed group of objects.

A group should be defined as follows:

  template<>
  const XXX JGroup<XXX>::group[]  =  {
    XXX(...),
    XXX(...),
    ...
    XXX(...)
  };

Definition at line 31 of file JGroup.hh.

Constructor & Destructor Documentation

JGroup()

template<class T >

JLANG::JGroup< T >::JGroup ( )

inlineprivate

Default constructor.

Definition at line 36 of file JGroup.hh.

    {}

Member Function Documentation

getInstance()

template<class T >

static const JGroup & JLANG::JGroup< T >::getInstance ( )

inlinestatic

Get unique instance.

Definition at line 51 of file JGroup.hh.

    {
      static const JGroup object;
 
      return object;
    }

operator()() [1/2]

template<class T >

const T & JLANG::JGroup< T >::operator() ( const int index ) const

inline

Get object at given index in group.

Parameters

index

index

Returns

object

Definition at line 65 of file JGroup.hh.

    {
      if (index >= 0 && index < size)
        return this->group[index];
      else
        THROW(JIndexOutOfRange, "JGroup::operator() " << index);
    }

operator()() [2/2]

template<class T >

int JLANG::JGroup< T >::operator() ( const T & object ) const

inline

Get index of given objec in group.

Parameters

object

object

Returns

index (-1 if object not found)

Definition at line 80 of file JGroup.hh.

    {
      for (int i = 0; i != size; ++i) {
        if (this->group[i] == object) {
          return i;
        }
      }
 
      return -1;
    }

group()

const double JLANG::JGroup< double >::group

private

Definition at line 14 of file JGroup.cc.

                                         {
    0.0,
    1.0,
    2.0,
    3.0
  };

Member Data Documentation

group

template<class T >

const T JLANG::JGroup< T >::group[]

staticprivate

actual group

Definition at line 39 of file JGroup.hh.

size

template<class T >

const int JLANG::JGroup< T >::size = sizeof(JGroup<T>::group) / sizeof(JGroup<T>::group[0])

static

Number of objects.

Definition at line 45 of file JGroup.hh.

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The documentation for this struct was generated from the following file:

• JGroup.hh