Oracle Fusion Middleware C++ API Reference for Oracle Coherence
12c (12.1.2)
E26041-01

ConcurrentMap::LockBlock Class Reference

#include <coherence/util/ConcurrentMap.hpp>

List of all members.

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Detailed Description

The LockBlock allows for easy creation of ConcurrentMap::lock code.

It's used on conjunction with the COH_CACHE_LOCK macros.

Public Member Functions
	LockBlock (ConcurrentMap::Handle hMap, Object::View vKey, bool fTryLock, int64_t cWait=-1L)
	Construct a LockBlock that will lock the supplied map.
	LockBlock (const LockBlock &that)
	Copy constructor used by the COH_CACHE_LOCK macros.
	~LockBlock ()
	Destroy an LockBlock object, exiting the associated map.
	operator bool () const
	Boolean conversion for the COH_CACHE_LOCK macros.
Protected Attributes
ConcurrentMap::Handle	m_hMap
	Map to lock and unlock.
const Object::View	m_vKey
	Key to lock and unlock in the associated Map.
const bool	m_fTryLock
	Flag describing the type of lock being used.

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Constructor & Destructor Documentation

LockBlock	(	ConcurrentMap::Handle	hMap,
		Object::View	vKey,
		bool	fTryLock,
		int64_t	cWait = -1L
	)

Construct a LockBlock that will lock the supplied map.

Parameters:

	hMap	the map to lock
	vKey	the Key to lock int he map
	cWait	the number of milliseconds to continue trying to obtain a lock; pass zero to return immediately; pass -1 to block the calling thread until the lock could be obtained

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Member Function Documentation

operator bool

(

)

const

Boolean conversion for the COH_CACHE_LOCK macros.

Returns:

true if it's a time based lock and false if no

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

• coherence/util/ConcurrentMap.hpp

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