etm.contrib.aggregation.log
Class Log4jAggregator

java.lang.Object
  etm.contrib.aggregation.log.AbstractLogAggregator
      etm.contrib.aggregation.log.Log4jAggregator

All Implemented Interfaces:

Aggregator

public class Log4jAggregator
extends AbstractLogAggregator

The Log4jAggregator uses Log4J logging to log raw measurement results. Raw results will be logged at level INFO.

See AbstractLogAggregator for performance impact and further details/configurations.

Version:

$Revision: 195 $

Author:

void.fm

Field Summary

protected org.apache.log4j.Logger

log

Fields inherited from class etm.contrib.aggregation.log.AbstractLogAggregator

ctx, DEFAULT_LOG_NAME, delegate, filter, formatter, logName

Constructor Summary

Log4jAggregator(Aggregator aAggregator)

Method Summary

AggregatorMetaData	getMetaData() Returns detailed information about the aggregator chain.
protected void	logMeasurement(EtmPoint aPoint) Logs a raw measurement result.
void	start() Lifecycle method, will be called after all Aggregator instances are initialized by calling Aggregator.init(etm.core.monitor.EtmMonitorContext) and before the EtmMonitor instance will becomes available.

Methods inherited from class etm.contrib.aggregation.log.AbstractLogAggregator

add, flush, init, render, reset, reset, setFilterPattern, setFormatter, setFormatterClass, setLogName, stop

Methods inherited from class java.lang.Object

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

Field Detail

log

protected org.apache.log4j.Logger log

Constructor Detail

Log4jAggregator

public Log4jAggregator(Aggregator aAggregator)

Method Detail

logMeasurement

protected void logMeasurement(EtmPoint aPoint)

Description copied from class: AbstractLogAggregator

Logs a raw measurement result.

Specified by:

logMeasurement in class AbstractLogAggregator

Parameters:

aPoint - The point to be logged.

getMetaData

public AggregatorMetaData getMetaData()

Description copied from interface: Aggregator

Returns detailed information about the aggregator chain.

Returns:

The AggregatorMetaData.

start

public void start()

Description copied from interface: Aggregator

Lifecycle method, will be called after all Aggregator instances are initialized by calling Aggregator.init(etm.core.monitor.EtmMonitorContext) and before the EtmMonitor instance will becomes available.

Specified by:

start in interface Aggregator

Overrides:

start in class AbstractLogAggregator