#include <Category.hh>

Inheritance diagram for log4cpp::Category:

Public Member Functions
virtual void	addAppender (Appender *appender) throw (std::invalid_argument)

virtual void	addAppender (Appender &appender)

void	alert (const char *stringFormat,...) throw ()

void	alert (const std::string &message) throw ()

CategoryStream	alertStream () throw ()

virtual void	callAppenders (const LoggingEvent &event) throw ()

void	crit (const char *stringFormat,...) throw ()

void	crit (const std::string &message) throw ()

CategoryStream	critStream ()

void	debug (const char *stringFormat,...) throw ()

void	debug (const std::string &message) throw ()

CategoryStream	debugStream ()

void	emerg (const char *stringFormat,...) throw ()

void	emerg (const std::string &message) throw ()

CategoryStream	emergStream ()

void	error (const char *stringFormat,...) throw ()

void	error (const std::string &message) throw ()

CategoryStream	errorStream ()

void	fatal (const char *stringFormat,...) throw ()

void	fatal (const std::string &message) throw ()

CategoryStream	fatalStream ()

virtual bool	getAdditivity () const throw ()

virtual AppenderSet	getAllAppenders () const

virtual Appender *	getAppender () const

virtual Appender *	getAppender (const std::string &name) const

virtual Priority::Value	getChainedPriority () const throw ()

virtual const std::string &	getName () const throw ()

virtual Category *	getParent () throw ()

virtual const Category *	getParent () const throw ()

virtual Priority::Value	getPriority () const throw ()

virtual CategoryStream	getStream (Priority::Value priority)

void	info (const char *stringFormat,...) throw ()

void	info (const std::string &message) throw ()

CategoryStream	infoStream ()

bool	isAlertEnabled () const throw ()

bool	isCritEnabled () const throw ()

bool	isDebugEnabled () const throw ()

bool	isEmergEnabled () const throw ()

bool	isErrorEnabled () const throw ()

bool	isFatalEnabled () const throw ()

bool	isInfoEnabled () const throw ()

bool	isNoticeEnabled () const throw ()

virtual bool	isPriorityEnabled (Priority::Value priority) const throw ()

bool	isWarnEnabled () const throw ()

virtual void	log (Priority::Value priority, const char *stringFormat,...) throw ()

virtual void	log (Priority::Value priority, const std::string &message) throw ()

virtual void	logva (Priority::Value priority, const char *stringFormat, va_list va) throw ()

void	notice (const char *stringFormat,...) throw ()

void	notice (const std::string &message) throw ()

CategoryStream	noticeStream ()

virtual CategoryStream	operator<< (Priority::Value priority)

virtual bool	ownsAppender () const throw ()

virtual bool	ownsAppender (Appender *appender) const throw ()

virtual void	removeAllAppenders ()

virtual void	removeAppender (Appender *appender)

virtual void	setAdditivity (bool additivity)

void	setAppender (Appender *appender)

void	setAppender (Appender &appender)

virtual void	setPriority (Priority::Value priority) throw (std::invalid_argument)

void	warn (const char *stringFormat,...) throw ()

void	warn (const std::string &message) throw ()

CategoryStream	warnStream ()

virtual	~Category ()

Static Public Member Functions
static Category *	exists (const std::string &name)

static std::vector< Category * > *	getCurrentCategories ()

static Category &	getInstance (const std::string &name)

static Category &	getRoot ()

static Priority::Value	getRootPriority () throw ()

static void	setRootPriority (Priority::Value priority)

static void	shutdown ()

Protected Member Functions
virtual void	_logUnconditionally (Priority::Value priority, const char *format, va_list arguments) throw ()

virtual void	_logUnconditionally2 (Priority::Value priority, const std::string &message) throw ()

	Category (const std::string &name, Category *parent, Priority::Value priority=Priority::NOTSET)

Private Types
typedef std::map< Appender *, bool >	OwnsAppenderMap

Private Member Functions
	Category (const Category &other)

Category &	operator= (const Category &other)

virtual bool	ownsAppender (Appender *appender, OwnsAppenderMap::iterator &i2) throw ()

Private Attributes
AppenderSet	_appender

threading::Mutex	_appenderSetMutex

volatile bool	_isAdditive

const std::string	_name

OwnsAppenderMap	_ownsAppender

Category *	_parent

volatile Priority::Value	_priority

Friends
class	HierarchyMaintainer

Detailed Description

This is the central class in the log4j package. One of the distintive features of log4j (and hence log4cpp) are hierarchal categories and their evaluation.

Definition at line 33 of file Category.hh.

Member Typedef Documentation

typedef std::map<Appender *, bool> log4cpp::Category::OwnsAppenderMap

private

Definition at line 641 of file Category.hh.

Constructor & Destructor Documentation

log4cpp::Category::~Category ( )

virtual

Destructor for Category.

Definition at line 59 of file Category.cpp.

log4cpp::Category::Category	(	const std::string &	name,
		Category *	parent,
		Priority::Value	priority = `Priority::NOTSET`
	)

protected

Constructor

Parameters

name	the fully qualified name of this Category
parent	the parent of this parent, or NULL for the root Category
priority	the priority for this Category. Defaults to Priority::NOTSET

Definition at line 52 of file Category.cpp.

log4cpp::Category::Category ( const Category & other )

private

Member Function Documentation

void log4cpp::Category::_logUnconditionally	(	Priority::Value	priority,
		const char *	format,
		va_list	arguments
	)
throw	(
	)

protectedvirtual

Definition at line 251 of file Category.cpp.

void log4cpp::Category::_logUnconditionally2	(	Priority::Value	priority,
		const std::string &	message
	)
throw	(
	)

protectedvirtual

Unconditionally log a message with the specified priority.

Parameters

priority	The priority of this log message.
message	string to write in the log file

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 257 of file Category.cpp.

void log4cpp::Category::addAppender	(	Appender *	appender	)
throw	(	std::invalid_argument
	)

virtual

Adds an Appender to this Category. This method passes ownership from the caller to the Category.

Since: 0.2.7

Parameters

appender The Appender to wich this category has to log.

Exceptions

std::invalid_argument if the appender is NULL.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 94 of file Category.cpp.

void log4cpp::Category::addAppender ( Appender & appender )

virtual

Adds an Appender for this Category. This method does not pass ownership from the caller to the Category.

Since: 0.2.7

Parameters

appender The Appender this category has to log to.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 111 of file Category.cpp.

void log4cpp::Category::alert	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with alert priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 375 of file Category.cpp.

void log4cpp::Category::alert	(	const std::string &	message	)
throw	(
	)

Log a message with alert priority.

Parameters

message string to write in the log file

Definition at line 384 of file Category.cpp.

CategoryStream log4cpp::Category::alertStream	(	)
throw	(
	)

inline

Return a CategoryStream with priority ALERT.

Returns: The CategoryStream.

Definition at line 510 of file Category.hh.

void log4cpp::Category::callAppenders	(	const LoggingEvent &	event	)
throw	(
	)

virtual

Call the appenders in the hierarchy starting at this. If no appenders could be found, emit a warning.

This method always calls all the appenders inherited form the hierracy circumventing any evaluation of whether to log or not to log the particular log request.

Parameters

event the LogginEvent to log.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 220 of file Category.cpp.

void log4cpp::Category::crit	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with crit priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 361 of file Category.cpp.

void log4cpp::Category::crit	(	const std::string &	message	)
throw	(
	)

Log a message with crit priority.

Parameters

message string to write in the log file

Definition at line 370 of file Category.cpp.

CategoryStream log4cpp::Category::critStream ( )

inline

Return a CategoryStream with priority CRIT.

Returns: The CategoryStream.

Definition at line 480 of file Category.hh.

void log4cpp::Category::debug	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with debug priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 291 of file Category.cpp.

void log4cpp::Category::debug	(	const std::string &	message	)
throw	(
	)

Log a message with debug priority.

Parameters

message string to write in the log file

Definition at line 300 of file Category.cpp.

CategoryStream log4cpp::Category::debugStream ( )

inline

Return a CategoryStream with priority DEBUG.

Returns: The CategoryStream.

Definition at line 330 of file Category.hh.

void log4cpp::Category::emerg	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with emerg priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 389 of file Category.cpp.

void log4cpp::Category::emerg	(	const std::string &	message	)
throw	(
	)

Log a message with emerg priority.

Parameters

message string to write in the log file

Definition at line 398 of file Category.cpp.

CategoryStream log4cpp::Category::emergStream ( )

inline

Return a CategoryStream with priority EMERG.

Returns: The CategoryStream.

Definition at line 540 of file Category.hh.

void log4cpp::Category::error	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with error priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 347 of file Category.cpp.

void log4cpp::Category::error	(	const std::string &	message	)
throw	(
	)

Log a message with error priority.

Parameters

message string to write in the log file

Definition at line 356 of file Category.cpp.

CategoryStream log4cpp::Category::errorStream ( )

inline

Return a CategoryStream with priority ERROR.

Returns: The CategoryStream.

Definition at line 450 of file Category.hh.

Category * log4cpp::Category::exists ( const std::string & name )

static

If the named category exists (in the default hierarchy) then it returns a reference to the category, otherwise it returns NULL.

Since: 0.2.7

Definition at line 39 of file Category.cpp.

void log4cpp::Category::fatal	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with fatal priority. NB. priority 'fatal' is equivalent to 'emerg'.

Since: 0.2.7

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 403 of file Category.cpp.

void log4cpp::Category::fatal	(	const std::string &	message	)
throw	(
	)

Log a message with fatal priority. NB. priority 'fatal' is equivalent to 'emerg'.

Since: 0.2.7

Parameters

message string to write in the log file

Definition at line 412 of file Category.cpp.

CategoryStream log4cpp::Category::fatalStream ( )

inline

Return a CategoryStream with priority FATAL. NB. priority 'fatal' is equivalent to 'emerg'.

Since: 0.2.7

Returns: The CategoryStream.

Definition at line 578 of file Category.hh.

bool log4cpp::Category::getAdditivity	(	)	const
throw	(
	)

virtual

Returns the additivity flag for this Category instance.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 239 of file Category.cpp.

AppenderSet log4cpp::Category::getAllAppenders ( ) const

virtual

Returns the set of Appenders currently attached to this Catogory.

Since: 0.3.1

Returns: The set of attached Appenders.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 144 of file Category.cpp.

Appender * log4cpp::Category::getAppender ( ) const

virtual

Returns the first Appender for this Category, or NULL if no Appender has been set.

Deprecated:: use getAppender(const std::string&)

Returns: The Appender.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 122 of file Category.cpp.

Appender * log4cpp::Category::getAppender ( const std::string & name ) const

virtual

Returns the specified Appender for this Category, or NULL if the Appender is not attached to this Category.

Since: 0.2.7

Returns: The Appender.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 130 of file Category.cpp.

Priority::Value log4cpp::Category::getChainedPriority	(	)	const
throw	(
	)

virtual

Starting from this Category, search the category hierarchy for a set priority and return it. Otherwise, return the priority of the root category.

The Category class is designed so that this method executes as quickly as possible.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 83 of file Category.cpp.

std::vector< Category * > * log4cpp::Category::getCurrentCategories ( )

static

Returns all the currently defined categories as a vector of Category pointers. Note: this function does not pass ownership of the categories in the vector to the caller, only the ownership of the vector. However vector<Category&>* is not legal C++, so we can't follow the default ownership conventions.

Unlike in log4j, the root category is included in the returned set.

Since: 0.3.2. Before 0.3.2 this method returned a std::set

Definition at line 43 of file Category.cpp.

Category & log4cpp::Category::getInstance ( const std::string & name )

static

Instantiate a Category with name name. This method does not set priority of the category which is by default Priority::NOTSET.

Parameters

name	The name of the category to retrieve.

Definition at line 35 of file Category.cpp.

const std::string & log4cpp::Category::getName	(	)	const
throw	(
	)

virtual

Return the category name.

Returns: The category name.

Definition at line 63 of file Category.cpp.

Category * log4cpp::Category::getParent	(	)
throw	(
	)

virtual

Returns the parent category of this category, or NULL if the category is the root category.

Returns: the parent category.

Definition at line 243 of file Category.cpp.

const Category * log4cpp::Category::getParent	(	)	const
throw	(
	)

virtual

Returns the parent category of this category, or NULL if the category is the root category.

Returns: the parent category.

Definition at line 247 of file Category.cpp.

Priority::Value log4cpp::Category::getPriority	(	)	const
throw	(
	)

virtual

Returns the assigned Priority, if any, for this Category.

Returns: Priority - the assigned Priority, can be Priority::NOTSET

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 67 of file Category.cpp.

Category & log4cpp::Category::getRoot ( )

static

Return the root of the Category hierarchy.

The root category is always instantiated and available. It's name is the empty string.

Unlike in log4j, calling Category.getInstance("") does retrieve the root category and not a category just under root named "".

Returns: The root category

Definition at line 23 of file Category.cpp.

Priority::Value log4cpp::Category::getRootPriority	(	)
throw	(
	)

static

Get the priority of the root Category.

Returns: the priority of the root category

Definition at line 31 of file Category.cpp.

CategoryStream log4cpp::Category::getStream ( Priority::Value priority )

virtual

Return a CategoryStream with given Priority.

Parameters

priority The Priority of the CategoryStream.

Returns: The requested CategoryStream.

Definition at line 417 of file Category.cpp.

void log4cpp::Category::info	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with info priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 305 of file Category.cpp.

void log4cpp::Category::info	(	const std::string &	message	)
throw	(
	)

Log a message with info priority.

Parameters

message string to write in the log file

Definition at line 314 of file Category.cpp.

CategoryStream log4cpp::Category::infoStream ( )

inline

Return a CategoryStream with priority INFO.

Returns: The CategoryStream.

Definition at line 360 of file Category.hh.

bool log4cpp::Category::isAlertEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority ALERT.

Returns: Whether the Category will log.

Definition at line 502 of file Category.hh.

bool log4cpp::Category::isCritEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority CRIT.

Returns: Whether the Category will log.

Definition at line 472 of file Category.hh.

bool log4cpp::Category::isDebugEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority DEBUG.

Returns: Whether the Category will log.

Definition at line 322 of file Category.hh.

bool log4cpp::Category::isEmergEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority EMERG.

Returns: Whether the Category will log.

Definition at line 532 of file Category.hh.

bool log4cpp::Category::isErrorEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority ERROR.

Returns: Whether the Category will log.

Definition at line 442 of file Category.hh.

bool log4cpp::Category::isFatalEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority FATAL. NB. priority 'fatal' is equivalent to 'emerg'.

Since: 0.2.7

Returns: Whether the Category will log.

Definition at line 568 of file Category.hh.

bool log4cpp::Category::isInfoEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority INFO.

Returns: Whether the Category will log.

Definition at line 352 of file Category.hh.

bool log4cpp::Category::isNoticeEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority NOTICE.

Returns: Whether the Category will log.

Definition at line 382 of file Category.hh.

bool log4cpp::Category::isPriorityEnabled	(	Priority::Value	priority	)	const
throw	(
	)

virtual

Returns true if the chained priority of the Category is equal to or higher than given priority.

Parameters

priority The priority to compare with.

Returns: whether logging is enable for this priority.

Definition at line 263 of file Category.cpp.

bool log4cpp::Category::isWarnEnabled	(	)	const
throw	(
	)

inline

Return true if the Category will log messages with priority WARN.

Returns: Whether the Category will log.

Definition at line 412 of file Category.hh.

void log4cpp::Category::log	(	Priority::Value	priority,
		const char *	stringFormat,
			...
	)
throw	(
	)

virtual

Log a message with the specified priority.

Parameters

priority	The priority of this log message.
stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 267 of file Category.cpp.

void log4cpp::Category::log	(	Priority::Value	priority,
		const std::string &	message
	)
throw	(
	)

virtual

Log a message with the specified priority.

Parameters

priority	The priority of this log message.
message	string to write in the log file

Definition at line 277 of file Category.cpp.

void log4cpp::Category::logva	(	Priority::Value	priority,
		const char *	stringFormat,
		va_list	va
	)
throw	(
	)

virtual

Log a message with the specified priority.

Since: 0.2.7

Parameters

priority	The priority of this log message.
stringFormat	Format specifier for the string to write in the log file.
va	The arguments for stringFormat.

Definition at line 283 of file Category.cpp.

void log4cpp::Category::notice	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with notice priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 319 of file Category.cpp.

void log4cpp::Category::notice	(	const std::string &	message	)
throw	(
	)

Log a message with notice priority.

Parameters

message string to write in the log file

Definition at line 328 of file Category.cpp.

CategoryStream log4cpp::Category::noticeStream ( )

inline

Return a CategoryStream with priority NOTICE.

Returns: The CategoryStream.

Definition at line 390 of file Category.hh.

CategoryStream log4cpp::Category::operator<< ( Priority::Value priority )

virtual

Return a CategoryStream with given Priority.

Parameters

priority The Priority of the CategoryStream.

Returns: The requested CategoryStream.

Definition at line 422 of file Category.cpp.

Category& log4cpp::Category::operator= ( const Category & other )

private

virtual bool log4cpp::Category::ownsAppender	(	)	const
throw	(
	)

inlinevirtual

Returns true if the Category owns the first Appender in its Appender set. In that case the Category destructor will delete the Appender.

Deprecated:: use ownsAppender(Appender*)

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 226 of file Category.hh.

bool log4cpp::Category::ownsAppender	(	Appender *	appender	)	const
throw	(
	)

virtual

Returns true if the Category owns the Appender. In that case the Category destructor will delete the Appender.

Since: 0.2.7

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 185 of file Category.cpp.

virtual bool log4cpp::Category::ownsAppender	(	Appender *	appender,
		OwnsAppenderMap::iterator &	i2
	)
throw	(
	)

privatevirtual

Returns the iterator to the Appender if the Category owns the Appender. In that case the Category destructor will delete the Appender.

void log4cpp::Category::removeAllAppenders ( )

virtual

Removes all appenders for this Category.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 151 of file Category.cpp.

void log4cpp::Category::removeAppender ( Appender * appender )

virtual

Removes specified appender for this Category.

Since: 0.2.7

Definition at line 168 of file Category.cpp.

void log4cpp::Category::setAdditivity ( bool additivity )

virtual

Set the additivity flag for this Category instance.

Reimplemented in log4cpp::FixedContextCategory.

Definition at line 235 of file Category.cpp.

void log4cpp::Category::setAppender ( Appender * appender )

inline

Adds an Appender to this Category. This method passes ownership from the caller to the Category.

Deprecated:: use addAppender(Appender*) or removeAllAppenders() instead.

Parameters

appender The Appender this category has to log to or NULL to remove the current Appenders.

Definition at line 168 of file Category.hh.

void log4cpp::Category::setAppender ( Appender & appender )

inline

Adds an Appender for this Category. This method does not pass ownership from the caller to the Category.

Deprecated:: use addAppender(Appender&) instead.

Parameters

appender The Appender this category has to log to.

Definition at line 182 of file Category.hh.

void log4cpp::Category::setPriority	(	Priority::Value	priority	)
throw	(	std::invalid_argument
	)

virtual

Set the priority of this Category.

Parameters

priority The priority to set. Use Priority::NOTSET to let the category use its parents priority as effective priority.

Exceptions

std::invalid_argument if the caller tries to set Priority::NOTSET on the Root Category.

Definition at line 71 of file Category.cpp.

void log4cpp::Category::setRootPriority ( Priority::Value priority )

static

Set the priority of the root Category.

Parameters

priority The new priority for the root Category

Definition at line 27 of file Category.cpp.

void log4cpp::Category::shutdown ( )

static

This method will remove all Appenders from Categories.XXX

Definition at line 48 of file Category.cpp.

void log4cpp::Category::warn	(	const char *	stringFormat,
			...
	)
throw	(
	)

Log a message with warn priority.

Parameters

stringFormat	Format specifier for the string to write in the log file.
...	The arguments for stringFormat

Definition at line 333 of file Category.cpp.

void log4cpp::Category::warn	(	const std::string &	message	)
throw	(
	)

Log a message with warn priority.

Parameters

message string to write in the log file

Definition at line 342 of file Category.cpp.

CategoryStream log4cpp::Category::warnStream ( )

inline

Return a CategoryStream with priority WARN.

Returns: The CategoryStream.

Definition at line 420 of file Category.hh.

Friends And Related Function Documentation

friend class HierarchyMaintainer

friend

Definition at line 34 of file Category.hh.

Member Data Documentation

AppenderSet log4cpp::Category::_appender

private

Definition at line 652 of file Category.hh.

threading::Mutex log4cpp::Category::_appenderSetMutex

mutableprivate

Definition at line 653 of file Category.hh.

volatile bool log4cpp::Category::_isAdditive

private

Additivity is set to true by default, i.e. a child inherits its ancestor's appenders by default.

Definition at line 666 of file Category.hh.

const std::string log4cpp::Category::_name

private

The name of this category.

Definition at line 628 of file Category.hh.

OwnsAppenderMap log4cpp::Category::_ownsAppender

private

Whether the category holds the ownership of the appender. If so, it deletes the appender in its destructor.

Definition at line 660 of file Category.hh.

Category* log4cpp::Category::_parent

private

The parent of this category. All categories have al least one ancestor which is the root category.

Definition at line 634 of file Category.hh.

volatile Priority::Value log4cpp::Category::_priority

private

The assigned priority of this category.

Definition at line 639 of file Category.hh.

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

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation