Jdk14LogAggregator.java

/*
 *
 * Copyright (c) void.fm
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 * of conditions and the following disclaimer.
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package etm.contrib.aggregation.log;

import etm.core.aggregation.Aggregator;
import etm.core.metadata.AggregatorMetaData;
import etm.core.monitor.EtmPoint;

import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * The Jdk14LogAggregator uses JDK 1.4 logging
 * to log raw measurement results. Raw results will be logged at level
 * <code>INFO</code>.
 * <p/>
 * See {@link etm.contrib.aggregation.log.AbstractLogAggregator} for performance impact and
 * further details/configurations.
 *
 * @author void.fm
 * @version $Revision$
 */
public class Jdk14LogAggregator extends AbstractLogAggregator {

  private static final String DESCRIPTION = "An aggregator that logs raw results using JDK 1.4 logger. Log name: ";

  private Logger log;

  public Jdk14LogAggregator(Aggregator aAggregator) {
    super(aAggregator);
  }

  protected void logMeasurement(EtmPoint aPoint) {
    if (log.isLoggable(Level.INFO)) {
      log.info(formatter.format(aPoint));
    }
  }

  public AggregatorMetaData getMetaData() {
    return new AggregatorMetaData(Jdk14LogAggregator.class, Jdk14LogAggregator.DESCRIPTION + log.getName(), false, delegate.getMetaData());
  }

  public void start() {
    log = Logger.getLogger(logName);
    super.start();
  }

}