log4cpp::AppenderSkeleton - Man Page
AppenderSkeleton is a helper class, simplifying implementation of Appenders: it already takes care of handling of Thresholds and Filters.
Synopsis
#include <AppenderSkeleton.hh>
Inherits log4cpp::Appender.
Inherited by log4cpp::AbortAppender, log4cpp::IdsaAppender, log4cpp::LayoutAppender, and log4cpp::NTEventLogAppender.
Public Member Functions
virtual ~AppenderSkeleton ()
Destructor for AppenderSkeleton.
virtual void doAppend (const LoggingEvent &event)
Log in Appender specific way.
virtual bool reopen ()
Reopens the output destination of this Appender, e.g.
virtual void close ()=0
Release any resources allocated within the appender such as file handles, network connections, etc.
virtual bool requiresLayout () const =0
Check if the appender uses a layout.
virtual void setLayout (Layout *layout)=0
Set the Layout for this appender.
virtual void setThreshold (Priority::Value priority)
Set the threshold priority of this Appender.
virtual Priority::Value getThreshold ()
Get the threshold priority of this Appender.
virtual void setFilter (Filter *filter)
Set a Filter for this appender.
virtual Filter * getFilter ()
Get the Filter for this appender.
Public Member Functions inherited from log4cpp::Appender
virtual ~Appender ()
Destructor for Appender.
const std::string & getName () const
Get the name of this appender.
Protected Member Functions
AppenderSkeleton (const std::string &name)
Constructor for AppenderSkeleton.
virtual void _append (const LoggingEvent &event)=0
Log in Appender specific way.
Protected Member Functions inherited from log4cpp::Appender
Appender (const std::string &name)
Constructor for Appender.
Additional Inherited Members
Static Public Member Functions inherited from log4cpp::Appender
static Appender * getAppender (const std::string &name)
Get a pointer to an exitsing Appender.
static bool reopenAll ()
Call reopen() on all existing Appenders.
static void closeAll ()
Call reopen() on all existing Appenders.
Detailed Description
AppenderSkeleton is a helper class, simplifying implementation of Appenders: it already takes care of handling of Thresholds and Filters.
Constructor & Destructor Documentation
log4cpp::AppenderSkeleton::AppenderSkeleton (const std::string & name) [protected]
Constructor for AppenderSkeleton. Will only be used in getAppender() (and in derived classes of course).
- Parameters
name The name of this Appender.
log4cpp::AppenderSkeleton::~AppenderSkeleton () [virtual]
Destructor for AppenderSkeleton.
Member Function Documentation
virtual void log4cpp::AppenderSkeleton::_append (const LoggingEvent & event) [protected], [pure virtual]
Log in Appender specific way. Subclasses of Appender should implement this method to perform actual logging.
- Parameters
event The LoggingEvent to log.
Implemented in log4cpp::AbortAppender, log4cpp::BufferingAppender, log4cpp::DailyRollingFileAppender, log4cpp::FileAppender, log4cpp::IdsaAppender, log4cpp::NTEventLogAppender, log4cpp::OstreamAppender, log4cpp::RemoteSyslogAppender, log4cpp::RollingFileAppender, log4cpp::StringQueueAppender, log4cpp::SyslogAppender, and log4cpp::Win32DebugAppender.
virtual void log4cpp::AppenderSkeleton::close () [pure virtual]
Release any resources allocated within the appender such as file handles, network connections, etc.
Implements log4cpp::Appender.
Implemented in log4cpp::AbortAppender, log4cpp::BufferingAppender, log4cpp::FileAppender, log4cpp::IdsaAppender, log4cpp::NTEventLogAppender, log4cpp::OstreamAppender, log4cpp::RemoteSyslogAppender, log4cpp::StringQueueAppender, log4cpp::SyslogAppender, and log4cpp::Win32DebugAppender.
void log4cpp::AppenderSkeleton::doAppend (const LoggingEvent & event) [virtual]
Log in Appender specific way.
- Parameters
event The LoggingEvent to log.
Implements log4cpp::Appender.
Filter * log4cpp::AppenderSkeleton::getFilter () [virtual]
Get the Filter for this appender.
- Returns
the filter, or NULL if no filter has been set.
Implements log4cpp::Appender.
Priority::Value log4cpp::AppenderSkeleton::getThreshold () [virtual]
Get the threshold priority of this Appender.
- Returns
the threshold
Implements log4cpp::Appender.
bool log4cpp::AppenderSkeleton::reopen () [virtual]
Reopens the output destination of this Appender, e.g. the logfile or TCP socket.
- Returns
false if an error occured during reopening, true otherwise.
Implements log4cpp::Appender.
Reimplemented in log4cpp::AbortAppender, log4cpp::FileAppender, log4cpp::IdsaAppender, log4cpp::NTEventLogAppender, log4cpp::OstreamAppender, log4cpp::RemoteSyslogAppender, log4cpp::StringQueueAppender, and log4cpp::SyslogAppender.
virtual bool log4cpp::AppenderSkeleton::requiresLayout () const [pure virtual]
Check if the appender uses a layout.
- Returns
true if the appender implementation requires a layout.
Implements log4cpp::Appender.
Implemented in log4cpp::AbortAppender, log4cpp::IdsaAppender, log4cpp::LayoutAppender, and log4cpp::NTEventLogAppender.
void log4cpp::AppenderSkeleton::setFilter (Filter * filter) [virtual]
Set a Filter for this appender.
Implements log4cpp::Appender.
virtual void log4cpp::AppenderSkeleton::setLayout (Layout * layout) [pure virtual]
Set the Layout for this appender.
- Parameters
layout The layout to use.
Implements log4cpp::Appender.
Implemented in log4cpp::AbortAppender, log4cpp::IdsaAppender, log4cpp::LayoutAppender, and log4cpp::NTEventLogAppender.
void log4cpp::AppenderSkeleton::setThreshold (Priority::Value priority) [virtual]
Set the threshold priority of this Appender. The Appender will not appender LoggingEvents with a priority lower than the threshold. Use Priority::NOTSET to disable threshold checking.
- Parameters
priority The priority to set.
Implements log4cpp::Appender.
Author
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