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# ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > Class Template Reference

Implements a reverse iterator for a Red-Black Tree ADT. More...

`#include <RB_Tree.h>`

Inheritance diagram for ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >:

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Collaboration diagram for ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >:

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List of all members.

## Public Member Functions
| ACE_RB_Tree_Reverse_Iterator (void)
| ACE_RB_Tree_Reverse_Iterator (const ACE_RB_Tree< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > &tree, int set_last=1)
| ACE_RB_Tree_Reverse_Iterator (const ACE_RB_Tree< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > &tree, ACE_RB_Tree_Node< EXT_ID, INT_ID > *entry)
| ACE_RB_Tree_Reverse_Iterator (const EXT_ID &key, ACE_RB_Tree< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > &tree)
| ~ACE_RB_Tree_Reverse_Iterator (void)
| Destructor.
int | advance (void)
void | dump (void) const
| Dump the state of an object.
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > & | operator++ (void)
| Prefix advance.
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > | operator++ (int)
| Postfix advance.
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > & | operator-- (void)
| Prefix reverse.
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > | operator-- (int)
| Postfix reverse.
int | next (ACE_RB_Tree_Node< EXT_ID, INT_ID > *&next_entry) const
## Public Attributes
| ACE_ALLOC_HOOK_DECLARE
| Declare the dynamic allocation hooks.

## Detailed Description

### template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
class ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >

Implements a reverse iterator for a Red-Black Tree ADT.

## Constructor & Destructor Documentation

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::ACE_RB_Tree_Reverse_Iterator | ( | void |  | ) |

| Create the singular iterator. It is illegal to deference the iterator, no valid iterator is equal to a singular iterator, etc. etc.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::ACE_RB_Tree_Reverse_Iterator | ( | const ACE_RB_Tree< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > & | tree,
|  | int | set_last = `1`
| ) |

| Constructor. Takes an ACE_RB_Tree over which to iterate, and an integer indicating (if non-zero) to position the iterator at the last element in the tree (if this integer is 0, the iterator is positioned at the first element in the tree).

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::ACE_RB_Tree_Reverse_Iterator | ( | const ACE_RB_Tree< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > & | tree,
|  | ACE_RB_Tree_Node< EXT_ID, INT_ID > * | entry
| ) |

| Constructor. Takes an ACE_RB_Tree over which to iterate, and a point to a node in the tree.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::ACE_RB_Tree_Reverse_Iterator | ( | const EXT_ID & | key,
|  | ACE_RB_Tree< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > & | tree
| ) |

| Constructor. Takes an ACE_RB_Tree over which to iterate, and a key; the key comes first in order to distinguish the case of EXT_ID == int.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::~ACE_RB_Tree_Reverse_Iterator | ( | void |  | ) |

| Destructor.

## Member Function Documentation

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE int ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::advance | ( | void |  | ) |

| Move forward by one element in the tree. Returns 0 when all elements have been seen, else 1.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE void ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::dump | ( | void |  | ) | const

| Dump the state of an object.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE int ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::next | ( | ACE_RB_Tree_Node< EXT_ID, INT_ID > *& | next_entry | ) | const

| Passes back the <entry> under the iterator. Returns 0 if the iteration has completed, otherwise 1. This method must be declared and defined in both the derived forward and reverse iterator classes rather than in the base iterator class because of a method signature resolution problem caused by the existence of the deprecated next (void) method in the derived forward iterator class. When that deprecated method is removed, this method should be removed from the derived classes and placed in the base class.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::operator++ | ( | int |  | ) |

| Postfix advance.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > & ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::operator++ | ( | void |  | ) |

| Prefix advance.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::operator-- | ( | int |  | ) |

| Postfix reverse.

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_INLINE ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK > & ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::operator-- | ( | void |  | ) |

| Prefix reverse.

## Member Data Documentation

template<class EXT_ID, class INT_ID, class COMPARE_KEYS, class ACE_LOCK>
ACE_RB_Tree_Reverse_Iterator< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >::ACE_ALLOC_HOOK_DECLARE

| Declare the dynamic allocation hooks. Reimplemented from ACE_RB_Tree_Iterator_Base< EXT_ID, INT_ID, COMPARE_KEYS, ACE_LOCK >.

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

- RB_Tree.h
- RB_Tree.cpp
- RB_Tree.inl