/*
*
* Copyright (c) void.fm
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* Neither the name void.fm nor the names of its contributors may be
* used to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package etm.contrib.aggregation.log;
import etm.core.aggregation.Aggregator;
import etm.core.metadata.AggregatorMetaData;
import etm.core.monitor.EtmPoint;
import org.apache.log4j.Logger;
/**
* The Log4jAggregator uses Log4J logging
* to log raw measurement results. Raw results will be logged at level
* <code>INFO</code>.
* <p/>
* See {@link AbstractLogAggregator} for performance impact and
* further details/configurations.
*
* @author void.fm
* @version $Revision$
*/
public class Log4jAggregator extends AbstractLogAggregator {
private static final String DESCRIPTION = "An aggregator that logs raw results using log4j. Log name: ";
protected Logger log;
public Log4jAggregator(Aggregator aAggregator) {
super(aAggregator);
}
protected void logMeasurement(EtmPoint aPoint) {
if (log.isInfoEnabled()) {
log.info(formatter.format(aPoint));
}
}
public AggregatorMetaData getMetaData() {
return new AggregatorMetaData(Log4jAggregator.class, DESCRIPTION + log.getName(), false, delegate.getMetaData());
}
public void start() {
log = Logger.getLogger(logName);
super.start();
}
}