## NAME

ACE_Hash_Map_Iterator_Ex - Forward iterator for the `ACE_Hash_Map_Manager_Ex`.

## SYNOPSIS

    #include <ace/Hash_Map_Manager_T.h>

    template<class EXT_ID, class INT_ID, class HASH_KEY, class COMPARE_KEYS, class ACE_LOCK>
    class ACE_Hash_Map_Iterator_Ex :
      public ACE_Hash_Map_Iterator_Base_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK>
    {
      public:
        ACE_Hash_Map_Iterator_Ex (
            ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> &mm,
            int tail = 0
            );
        int advance (void);
        void dump (void) const;
        ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> &operator++ (
            void
            );
        ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> operator++ (
            int
            );
        ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> &operator-- (
            void
            );
        ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> operator-- (
            int
            );
        ACE_ALLOC_HOOK_DECLARE;
    };

## DESCRIPTION

This class does not perform any internal locking of the `ACE_Hash_Map_Manager_Ex` it is iterating upon since locking is inherently inefficient and/or error-prone within an STL-style iterator. If you require locking, you can explicitly use an `ACE_Guard` or `ACE_Read_Guard` on the `ACE_Hash_Map_Manager_Ex`'s internal lock, which is accessible via its `mutex` method.

## Initialization method.

    ACE_Hash_Map_Iterator_Ex (
        ACE_Hash_Map_Manager_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> &mm,
        int tail = 0
        );

    int advance (void);

Move forward by one element in the set. Returns 0 when all the items in the set have been seen, else 1.

    void dump (void) const;

Dump the state of an object.

## STL styled iteration, compare, and reference functions.

    ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> &operator++ (
        void
        );

Prefix advance.

    ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> operator++ (
        int
        );

Postfix advance.

    ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> &operator-- (
        void
        );

Prefix reverse.

    ACE_Hash_Map_Iterator_Ex<EXT_ID, INT_ID, HASH_KEY, COMPARE_KEYS, ACE_LOCK> operator-- (
        int
        );

Postfix reverse.

    ACE_ALLOC_HOOK_DECLARE;

Declare the dynamic allocation hooks.

## AUTHOR

Doug Schmidt

## LIBRARY

ace