Enumerator< TRAITS > Class Template Reference

Enumeration interface for modifying access. More...

#include <base/collection/Enumeration.h>

Inherited by AllocatorEnumerator< TRAITS >, BitSet::BitSetEnumerator, DoubleLinkedNodeEnumerator< TRAITS >, DoubleLinkedNodeReadEnumerator< TRAITS >, HashTable< KEY, VALUE >::HashTableEnumerator< TRAITS >, HashTable< KEY, VALUE >::HashTableValueEnumerator< TRAITS >, InfixOrderEnumerator< TRAITS >, PostfixOrderEnumerator< TRAITS >, PrefixOrderEnumerator< TRAITS >, and Stack< TYPE >::StackReadEnumerator< TRAITS >.

Public Types
typedef TRAITS::Value	Value
typedef TRAITS::Distance	Distance
typedef TRAITS::Reference	Reference
typedef TRAITS::Pointer	Pointer

Public Member Functions
virtual bool	hasNext () const noexcept=0
virtual Reference	next ()=0
virtual	~Enumerator ()

Detailed Description

template<class TRAITS>
class Enumerator< TRAITS >

Enumeration interface for modifying access.

Enumeration interface used to traverse individual elements of a collection one by one. If possible, the enumeration interface should be used in preference to the iteration interface.

Version

1.0

Member Typedef Documentation

Distance

template<class TRAITS >

typedef TRAITS::Distance Enumerator< TRAITS >::Distance

The type of the difference between elements.

Pointer

template<class TRAITS >

typedef TRAITS::Pointer Enumerator< TRAITS >::Pointer

The type of a pointer to an element.

Reference

template<class TRAITS >

typedef TRAITS::Reference Enumerator< TRAITS >::Reference

The type of a reference to an element.

Value

template<class TRAITS >

typedef TRAITS::Value Enumerator< TRAITS >::Value

The type of the element.

Constructor & Destructor Documentation

~Enumerator()

template<class TRAITS >

virtual Enumerator< TRAITS >::~Enumerator ( )

inlinevirtual

Destroys the enumerator.

Member Function Documentation

hasNext()

template<class TRAITS >

virtual bool Enumerator< TRAITS >::hasNext ( ) const

pure virtualnoexcept

Returns true if the enumerator has more elements.

Implemented in HashTable< KEY, VALUE >::HashTableValueEnumerator< TRAITS >, HashTable< KEY, VALUE >::HashTableEnumerator< TRAITS >, DoubleLinkedNodeReadEnumerator< TRAITS >, PostfixOrderEnumerator< TRAITS >, DoubleLinkedNodeEnumerator< TRAITS >, InfixOrderEnumerator< TRAITS >, PrefixOrderEnumerator< TRAITS >, BitSet::BitSetReadEnumerator, BitSet::BitSetEnumerator, Stack< TYPE >::StackReadEnumerator< TRAITS >, and AllocatorEnumerator< TRAITS >.

next()

template<class TRAITS >

virtual Reference Enumerator< TRAITS >::next ( )

pure virtual

Returns the next element of the enumerator.

Implemented in HashTable< KEY, VALUE >::HashTableValueEnumerator< TRAITS >, HashTable< KEY, VALUE >::HashTableEnumerator< TRAITS >, DoubleLinkedNodeReadEnumerator< TRAITS >, PostfixOrderEnumerator< TRAITS >, DoubleLinkedNodeEnumerator< TRAITS >, InfixOrderEnumerator< TRAITS >, PrefixOrderEnumerator< TRAITS >, BitSet::BitSetReadEnumerator, BitSet::BitSetEnumerator, Map< KEY, VALUE >::ValueEnumerator, Stack< TYPE >::StackReadEnumerator< TRAITS >, Map< KEY, VALUE >::ReadEnumerator, and AllocatorEnumerator< TRAITS >.