rwsf::NamingContext Class Reference

Contains all NamedObject instances for a service, acting like a global registry and instantiating each object at startup. More...

#include <rwsf/core/NamingContext.h>

Public Member Functions
	NamingContext ()
	~NamingContext ()
void	bind (const std::string &name, const rwsf::NamedObject &obj)
rwsf::Enumeration< std::string >	listBindings () const
void	load (const std::string &filename, const std::string &librarySuffix=std::string(RWSF_DEFAULT_LIBSUFFIX))
rwsf::NamedObject	lookup (const std::string &name) const
void	unbind (const std::string &name)

Static Public Member Functions
static NamingContext *	getGlobalInstance ()
static void	loadGlobal (const std::string &filename, const std::string &librarySuffix=std::string(RWSF_DEFAULT_LIBSUFFIX))

Detailed Description

A rwsf::NamingContext object contains all rwsf::NamedObject instances relevant to a particular service. On startup, the Agent creates all registered named objects and then stores them together in an instance of rwsf::NamingContext specific to each service. This context object acts like a global registry and instantiates each object.

See the class description for rwsf::NamedObject for detail on how to create or edit named object configuration files so that named objects are properly loaded at startup, and how NamedObject instances are used in the system.

Constructor & Destructor Documentation

rwsf::NamingContext::NamingContext

(

)

Default constructor.

rwsf::NamingContext::~NamingContext

(

)

Destructor.

Member Function Documentation

void rwsf::NamingContext::bind	(	const std::string &	name,
		const rwsf::NamedObject &	obj
	)

Adds name to the NamingContext map, mapped to obj. If name already exists, throws an rwsf::NamingException.

Exceptions

rwsf::NamingException

Name already exists in map.

static NamingContext* rwsf::NamingContext::getGlobalInstance ( )

static

Returns the global instance of the naming context. If a naming context does not exist, creates a new NamingContext instance.

rwsf::Enumeration<std::string> rwsf::NamingContext::listBindings

(

)

const

Returns an enumeration of the names in this context.

void rwsf::NamingContext::load	(	const std::string &	filename,
		const std::string &	librarySuffix = std::string(RWSF_DEFAULT_LIBSUFFIX)
	)

Reads in an object configuration file and registers the named objects with this naming context instance. See rwsf::NamedObject for information on the format of the configuration file.

Exceptions

rwsf::FileNotFoundException

Specified configuration file filename not found.

static void rwsf::NamingContext::loadGlobal ( const std::string &  filename, const std::string &  librarySuffix = std::string(RWSF_DEFAULT_LIBSUFFIX)  )

static

Reads in an object configuration file and registers the named objects with the global naming context. See rwsf::NamedObject for information on the format of the configuration file.

Exceptions

rwsf::FileNotFoundException

Specified configuration file filename not found.

rwsf::NamedObject rwsf::NamingContext::lookup

(

const std::string &

name

)

const

Returns the rwsf::NamedObject associated with name. If name isn't found in the map, an invalid NamedObject is returned (ie. an object where isValid() returns false).

void rwsf::NamingContext::unbind

(

const std::string &

name

)

Removes this named object from the context.