Package 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
    Modifier and Type
    Field
    Description
    private Meter
    all
     
    private Meter
    debug
     
    private Meter
    error
     
    private Meter
    fatal
     
    private Meter
    info
     
    private final MetricRegistry
    registry
     
    private Meter
    trace
     
    private Meter
    warn
     

    Fields inherited from class org.apache.log4j.AppenderSkeleton

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

  • Constructor Summary

    Constructors
    Constructor
    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
    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

  • Field Details

  • Constructor Details

    • 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 Details

    • 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()