makVrv::DtReadSettingsLock< SettingsClass > Class Template Reference

a read settings lock on a setting object. More...

Inheritance diagram for makVrv::DtReadSettingsLock< SettingsClass >:

Public Member Functions
	DtReadSettingsLock (DtSharedSettingsManager &manager)
	~DtReadSettingsLock ()
const SettingsClass *	operator-> ()
const SettingsClass *	operator-> () const
const SettingsClass &	operator* ()
const SettingsClass &	operator* () const

Private Member Functions
	DtReadSettingsLock (const DtReadSettingsLock &)
DtReadSettingsLock &	operator= (const DtReadSettingsLock &)

Private Attributes
DtSharedSettingsManager &	myManager
SettingsClass *	myObject
boost::shared_lock < boost::shared_mutex >	myManagerLock
boost::shared_lock < boost::shared_mutex >	myObjectLock

Detailed Description

template<typename SettingsClass>
class makVrv::DtReadSettingsLock< SettingsClass >

a read settings lock on a setting object.

The object can only get read access aka const functions.

Warning

DO NOT pass lock objects around.

DO NOT keep lock objects as members.

DO NOT store lock objects as pointers.

Minimize use multiple locks to the same object at the same time.

DO NOT use write locks to an object with a read lock, DEADLOCKS!

 Usage
temp for reading
bool value(false);

{
   DtReadSettingsLock<DtTestSettings> readTest(mySharedSettingsManager);
   value = readTest->getValue();
}

Constructor & Destructor Documentation

template<typename SettingsClass>

makVrv::DtReadSettingsLock< SettingsClass >::DtReadSettingsLock

(

DtSharedSettingsManager &

manager

)

template<typename SettingsClass>

makVrv::DtReadSettingsLock< SettingsClass >::~DtReadSettingsLock

(

)

template<typename SettingsClass>

makVrv::DtReadSettingsLock< SettingsClass >::DtReadSettingsLock ( const DtReadSettingsLock< SettingsClass > &  )

private

Member Function Documentation

template<typename SettingsClass>

const SettingsClass* makVrv::DtReadSettingsLock< SettingsClass >::operator-> ( )

inline

template<typename SettingsClass>

const SettingsClass* makVrv::DtReadSettingsLock< SettingsClass >::operator-> ( ) const

inline

template<typename SettingsClass>

const SettingsClass& makVrv::DtReadSettingsLock< SettingsClass >::operator* ( )

inline

template<typename SettingsClass>

const SettingsClass& makVrv::DtReadSettingsLock< SettingsClass >::operator* ( ) const

inline

template<typename SettingsClass>

DtReadSettingsLock& makVrv::DtReadSettingsLock< SettingsClass >::operator= ( const DtReadSettingsLock< SettingsClass > &  )

private

Member Data Documentation

template<typename SettingsClass>

DtSharedSettingsManager& makVrv::DtReadSettingsLock< SettingsClass >::myManager

private

template<typename SettingsClass>

SettingsClass* makVrv::DtReadSettingsLock< SettingsClass >::myObject

private

Referenced by makVrv::DtReadSettingsLock< DtSharedSimulationSettings >::operator*(), and makVrv::DtReadSettingsLock< DtSharedSimulationSettings >::operator->().

template<typename SettingsClass>

boost::shared_lock<boost::shared_mutex> makVrv::DtReadSettingsLock< SettingsClass >::myManagerLock

private

template<typename SettingsClass>

boost::shared_lock<boost::shared_mutex> makVrv::DtReadSettingsLock< SettingsClass >::myObjectLock

private

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.vrf4-4-branch/include/vrvCore/DtReadSettingsLock.h