pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor Class Reference

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

#include <libpmemobj++/container/concurrent_hash_map.hpp>

Inheritance diagram for pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor:

Public Types
using	value_type = const typename concurrent_hash_map::value_type
	Type of value.

Public Member Functions
bool	empty () const
void	release ()
	Release accessor. More...
const_reference	operator * () const
const_pointer	operator-> () const
	const_accessor ()
	Create empty result. More...
	~const_accessor ()
	Destroy result after releasing the underlying reference.

Detailed Description

template<typename Key, typename T, typename Hash, typename KeyEqual, typename MutexType, typename ScopedLockType>
class pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor

Combines data access, locking, and garbage collection.

Constructor & Destructor Documentation

const_accessor()

template<typename Key, typename T, typename Hash, typename KeyEqual, typename MutexType, typename ScopedLockType>

pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor::const_accessor ( )

inline

Create empty result.

Cannot be used in a transaction.

Member Function Documentation

empty()

template<typename Key, typename T, typename Hash, typename KeyEqual, typename MutexType, typename ScopedLockType>

bool pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor::empty ( ) const

inline

Returns

true if accessor does not hold any element, false otherwise.

operator *()

template<typename Key, typename T, typename Hash, typename KeyEqual, typename MutexType, typename ScopedLockType>

const_reference pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor::operator * ( ) const

inline

Returns

reference to associated value in hash table.

operator->()

template<typename Key, typename T, typename Hash, typename KeyEqual, typename MutexType, typename ScopedLockType>

const_pointer pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor::operator-> ( ) const

inline

Returns

pointer to associated value in hash table.

release()

template<typename Key, typename T, typename Hash, typename KeyEqual, typename MutexType, typename ScopedLockType>

void pmem::obj::concurrent_hash_map< Key, T, Hash, KeyEqual, MutexType, ScopedLockType >::const_accessor::release ( )

inline

Release accessor.

Cannot be called inside of a transaction.

Exceptions

transaction_scope_error

if called inside tranaction

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

• libpmemobj++/container/concurrent_hash_map.hpp