tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor Class Reference

Combines data access, locking, and garbage collection. More...

#include <concurrent_hash_map.h>

Inheritance diagram for tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor:

Collaboration diagram for tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor:

Public Types
typedef const concurrent_hash_map::value_type	value_type
	Type of value. More...

Public Member Functions
bool	empty () const
	True if result is empty. More...
void	release ()
	Set to null. More...
const_reference	operator * () const
	Return reference to associated value in hash table. More...
const_pointer	operator-> () const
	Return pointer to associated value in hash table. More...
	const_accessor ()
	Create empty result. More...
	~const_accessor ()
	Destroy result after releasing the underlying reference. More...

Protected Member Functions
bool	is_writer ()

Protected Attributes
node *	my_node
hashcode_t	my_hash

Friends
class	concurrent_hash_map< Key, T, HashCompare, Allocator >
class	accessor

Detailed Description

template<typename Key, typename T, typename HashCompare, typename Allocator>
class tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor

Combines data access, locking, and garbage collection.

Definition at line 769 of file concurrent_hash_map.h.

Member Typedef Documentation

value_type

template<typename Key, typename T, typename HashCompare, typename Allocator>

typedef const concurrent_hash_map::value_type tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::value_type

Type of value.

Definition at line 774 of file concurrent_hash_map.h.

Constructor & Destructor Documentation

const_accessor()

template<typename Key, typename T, typename HashCompare, typename Allocator>

tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::const_accessor ( )

inline

Create empty result.

Definition at line 799 of file concurrent_hash_map.h.

: my_node(NULL) {}

~const_accessor()

template<typename Key, typename T, typename HashCompare, typename Allocator>

tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::~const_accessor ( )

inline

Destroy result after releasing the underlying reference.

Definition at line 802 of file concurrent_hash_map.h.

                          {
            my_node = NULL; // scoped lock's release() is called in its destructor
        }

References tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::my_node.

Member Function Documentation

empty()

template<typename Key, typename T, typename HashCompare, typename Allocator>

bool tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::empty ( ) const

inline

True if result is empty.

Definition at line 777 of file concurrent_hash_map.h.

{ return !my_node; }

References tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::my_node.

is_writer()

template<typename Key, typename T, typename HashCompare, typename Allocator>

bool tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::is_writer ( )

inlineprotected

Definition at line 806 of file concurrent_hash_map.h.

{ return node::scoped_t::is_writer; }

Referenced by tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::exclude().

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operator *()

template<typename Key, typename T, typename HashCompare, typename Allocator>

const_reference tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::operator * ( ) const

inline

Return reference to associated value in hash table.

Definition at line 788 of file concurrent_hash_map.h.

                                          {
            __TBB_ASSERT( my_node, "attempt to dereference empty accessor" );
            return my_node->value();
        }

References __TBB_ASSERT, tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::my_node, and tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::node::value().

Referenced by tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::operator->().

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operator->()

template<typename Key, typename T, typename HashCompare, typename Allocator>

const_pointer tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::operator-> ( ) const

inline

Return pointer to associated value in hash table.

Definition at line 794 of file concurrent_hash_map.h.

                                         {
            return &operator*();
        }

References tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::operator *().

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release()

template<typename Key, typename T, typename HashCompare, typename Allocator>

void tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::release ( )

inline

Set to null.

Definition at line 780 of file concurrent_hash_map.h.

                       {
            if( my_node ) {
                node::scoped_t::release();
                my_node = 0;
            }
        }

References tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::my_node, and tbb::release.

Referenced by tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::exclude(), tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::find(), and tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::insert().

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Friends And Related Function Documentation

accessor

template<typename Key, typename T, typename HashCompare, typename Allocator>

friend class accessor

friend

Definition at line 771 of file concurrent_hash_map.h.

concurrent_hash_map< Key, T, HashCompare, Allocator >

template<typename Key, typename T, typename HashCompare, typename Allocator>

friend class concurrent_hash_map< Key, T, HashCompare, Allocator >

friend

Definition at line 770 of file concurrent_hash_map.h.

Member Data Documentation

my_hash

template<typename Key, typename T, typename HashCompare, typename Allocator>

hashcode_t tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::my_hash

protected

Definition at line 808 of file concurrent_hash_map.h.

Referenced by tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::exclude(), and tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::lookup().

my_node

template<typename Key, typename T, typename HashCompare, typename Allocator>

node* tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::my_node

protected

Definition at line 807 of file concurrent_hash_map.h.

Referenced by tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::empty(), tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::exclude(), tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::lookup(), tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::operator *(), tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::accessor::operator *(), tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::release(), and tbb::interface5::concurrent_hash_map< Key, T, HashCompare, Allocator >::const_accessor::~const_accessor().

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

• concurrent_hash_map.h