epics::pvAccess::SingletonChannelProviderFactory< Provider > Struct Template Reference

#include "pvAccess.h"

Inheritance diagram for epics::pvAccess::SingletonChannelProviderFactory< Provider >:

Collaboration diagram for epics::pvAccess::SingletonChannelProviderFactory< Provider >:

Public Member Functions
	SingletonChannelProviderFactory (const std::string &name, const std::tr1::shared_ptr< const Configuration > &conf=std::tr1::shared_ptr< const Configuration >())
virtual	~SingletonChannelProviderFactory ()
virtual std::string	getFactoryName () OVERRIDE FINAL
virtual ChannelProvider::shared_pointer	sharedInstance () OVERRIDE FINAL
virtual ChannelProvider::shared_pointer	newInstance (const std::tr1::shared_ptr< Configuration > &conf) OVERRIDE FINAL
Public Member Functions inherited from epics::pvAccess::ChannelProviderFactory
	POINTER_DEFINITIONS (ChannelProviderFactory)
	ChannelProviderFactory ()
virtual	~ChannelProviderFactory ()
virtual ChannelProvider::shared_pointer	newInstance ()

Detailed Description

template<class Provider>
struct epics::pvAccess::SingletonChannelProviderFactory< Provider >

Helper for ChannelProviders which access a singleton resource (eg. process database). Only one concurrent instance will be created. Requires the existance of a ctor Provider(const std::tr1::shared_ptr<const Configuration>& conf)

Definition at line 1397 of file pvAccess.h.

Constructor & Destructor Documentation

template<class Provider >

epics::pvAccess::SingletonChannelProviderFactory< Provider >::SingletonChannelProviderFactory ( const std::string &  name, const std::tr1::shared_ptr< const Configuration > &  conf = std::tr1::shared_ptr<const Configuration>()  )

inline

Definition at line 1399 of file pvAccess.h.

        :pname(name), config(conf)
    {}

template<class Provider >

virtual epics::pvAccess::SingletonChannelProviderFactory< Provider >::~SingletonChannelProviderFactory ( )

inlinevirtual

Definition at line 1403 of file pvAccess.h.

{}

Member Function Documentation

template<class Provider >

virtual std::string epics::pvAccess::SingletonChannelProviderFactory< Provider >::getFactoryName ( )

inlinevirtual

Get factory name (i.e. name of the provider).

Returns

the factory name.

Implements epics::pvAccess::ChannelProviderFactory.

Definition at line 1405 of file pvAccess.h.

{ return pname; }

template<class Provider >

virtual ChannelProvider::shared_pointer epics::pvAccess::SingletonChannelProviderFactory< Provider >::newInstance ( const std::tr1::shared_ptr< Configuration > &  )

inlinevirtual

Create a new instance using a specific Configuration.

Returns

a new instance.

Reimplemented from epics::pvAccess::ChannelProviderFactory.

Definition at line 1418 of file pvAccess.h.

    {
        (void)conf; // ignore and use our Configuration
        return sharedInstance();
    }

template<class Provider >

virtual ChannelProvider::shared_pointer epics::pvAccess::SingletonChannelProviderFactory< Provider >::sharedInstance ( )

inlinevirtual

Get a shared instance using the default Configuration.

Returns

a shared instance.

Implements epics::pvAccess::ChannelProviderFactory.

Definition at line 1407 of file pvAccess.h.

    {
        epics::pvData::Lock L(sharedM);
        ChannelProvider::shared_pointer ret(shared.lock());
        if(!ret) {
            std::tr1::shared_ptr<Provider> inst(new Provider(config));
            shared = ret = inst;
        }
        return ret;
    }

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

• modules/pvAccess/src/client/pv/pvAccess.h