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package com.sun.ejb.base.stats;
import com.sun.enterprise.admin.monitor.stats.GenericStatsImpl;
import com.sun.ejb.containers.EjbContainerUtilImpl;
import org.glassfish.j2ee.statistics.BoundedRangeStatistic;
import org.glassfish.j2ee.statistics.CountStatistic;
import org.glassfish.j2ee.statistics.Statistic;
import org.glassfish.j2ee.statistics.Stats;
import java.util.logging.Logger;
/**
* Base class for all the StatsImpl. Also provides a couple
* of methods for MonitorListener
*
* @author Mahesh Kannan
*/
public abstract class StatsImpl
implements Stats
{
protected static final Logger _logger = EjbContainerUtilImpl.getLogger();
private GenericStatsImpl genericStatsDelegate;
protected boolean monitorOn = false;
protected boolean registered = true;
protected StatsImpl() {
}
protected void initialize(String statInterfaceName) {
try {
genericStatsDelegate = new GenericStatsImpl(statInterfaceName, this);
} catch(ClassNotFoundException cnfEx) {
throw new RuntimeException(statInterfaceName + " not found", cnfEx);
}
}
public Statistic getStatistic(String statName) {
return genericStatsDelegate.getStatistic(statName);
}
public String[] getStatisticNames() {
return genericStatsDelegate.getStatisticNames();
}
public Statistic[] getStatistics() {
return genericStatsDelegate.getStatistics();
}
public String statToString() {
StringBuffer sbuf = new StringBuffer();
Statistic[] stats = getStatistics();
int sz = stats.length;
for (int i=0; i<sz; i++) {
if (stats[i] instanceof CountStatistic) {
CountStatistic stat = (CountStatistic) stats[i];
sbuf.append(stat.getName()).append("=")
.append(stat.getCount()).append("; ");
} else if (stats[i] instanceof BoundedRangeStatistic) {
BoundedRangeStatistic stat = (BoundedRangeStatistic) stats[i];
sbuf.append(stat.getName()).append("=")
.append(stat.getCurrent()).append("; ");
} else {
sbuf.append(stats[i].getName()).append("=?");
}
}
return sbuf.toString();
}
}