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package com.sun.ejb.base.stats;
import org.glassfish.j2ee.statistics.CountStatistic;
import org.glassfish.j2ee.statistics.BoundedRangeStatistic;
import com.sun.enterprise.admin.monitor.stats.CountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.MutableCountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.BoundedRangeStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.MutableBoundedRangeStatisticImpl;
import com.sun.ejb.spi.stats.EJBPoolStatsProvider;
/**
* A Class for providing pool stats for EJB Container
* Used by both Entity and Stateless Container
*
* @author Mahesh Kannan
*/
public class EJBPoolStatsImpl
extends StatsImpl
implements com.sun.enterprise.admin.monitor.stats.EJBPoolStats
{
private EJBPoolStatsProvider delegate;
private MutableCountStatisticImpl jmsStat;
private MutableBoundedRangeStatisticImpl beansInPoolStat;
private MutableBoundedRangeStatisticImpl threadStat;
private MutableCountStatisticImpl createdStat;
private MutableCountStatisticImpl destroyedStat;
public EJBPoolStatsImpl(EJBPoolStatsProvider delegate) {
this.delegate = delegate;
initialize();
}
protected void initialize() {
super.initialize("com.sun.enterprise.admin.monitor.stats.EJBPoolStats");
jmsStat = new MutableCountStatisticImpl(
new CountStatisticImpl("JmsMaxMessagesLoad"));
beansInPoolStat = new MutableBoundedRangeStatisticImpl(
new BoundedRangeStatisticImpl("NumBeansInPool",
"Count", 0, delegate.getMaxPoolSize(),
delegate.getSteadyPoolSize()));
threadStat = new MutableBoundedRangeStatisticImpl(
new BoundedRangeStatisticImpl("NumThreadsWaiting"));
createdStat = new MutableCountStatisticImpl(
new CountStatisticImpl("TotalBeansCreated"));
destroyedStat = new MutableCountStatisticImpl(
new CountStatisticImpl("TotalBeansDestroyed"));
}
public CountStatistic getJmsMaxMessagesLoad() {
jmsStat.setCount(delegate.getJmsMaxMessagesLoad());
return (CountStatistic) jmsStat.modifiableView();
}
public BoundedRangeStatistic getNumBeansInPool() {
beansInPoolStat.setCount(delegate.getNumBeansInPool());
return (BoundedRangeStatistic) beansInPoolStat.modifiableView();
}
public BoundedRangeStatistic getNumThreadsWaiting() {
threadStat.setCount(delegate.getNumThreadsWaiting());
return (BoundedRangeStatistic) threadStat.modifiableView();
}
public CountStatistic getTotalBeansCreated() {
createdStat.setCount(delegate.getTotalBeansCreated());
return (CountStatistic) createdStat.modifiableView();
}
public CountStatistic getTotalBeansDestroyed() {
destroyedStat.setCount(delegate.getTotalBeansDestroyed());
return (CountStatistic) destroyedStat.modifiableView();
}
}