com.codahale.metrics.log4j

Class InstrumentedAppender

java.lang.Object

org.apache.log4j.AppenderSkeleton

com.codahale.metrics.log4j.InstrumentedAppender

All Implemented Interfaces:

org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler

public class InstrumentedAppender
extends org.apache.log4j.AppenderSkeleton

A Log4J Appender which has seven meters, one for each logging level and one for the total number of statements being logged. The meter names are the logging level names appended to the name of the appender.

Field Summary

Fields inherited from class org.apache.log4j.AppenderSkeleton

closed, errorHandler, headFilter, layout, name, tailFilter, threshold

Constructor Summary

Constructors

Constructor and Description
InstrumentedAppender(MetricRegistry registry) Create a new instrumented appender using the given registry.
InstrumentedAppender(String registryName) Create a new instrumented appender using the given registry name.

Method Summary

Modifier and Type	Method and Description
void	activateOptions()
protected void	append(org.apache.log4j.spi.LoggingEvent event)
void	close()
boolean	requiresLayout()

Methods inherited from class org.apache.log4j.AppenderSkeleton

addFilter, clearFilters, doAppend, finalize, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setErrorHandler, setLayout, setName, setThreshold

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InstrumentedAppender

public InstrumentedAppender(String registryName)

Create a new instrumented appender using the given registry name.

Parameters:

registryName - the name of the registry in SharedMetricRegistries

InstrumentedAppender

public InstrumentedAppender(MetricRegistry registry)

Create a new instrumented appender using the given registry.

Parameters:

registry - the metric registry

Method Detail

activateOptions

public void activateOptions()

Specified by:

activateOptions in interface org.apache.log4j.spi.OptionHandler

Overrides:

activateOptions in class org.apache.log4j.AppenderSkeleton

append

protected void append(org.apache.log4j.spi.LoggingEvent event)

Specified by:

append in class org.apache.log4j.AppenderSkeleton

close

public void close()

requiresLayout

public boolean requiresLayout()