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package com.sun.enterprise.iiop;
import java.util.Iterator;
import javax.management.j2ee.statistics.CountStatistic;
import javax.management.j2ee.statistics.BoundedRangeStatistic;
import javax.management.j2ee.statistics.RangeStatistic;
import com.sun.enterprise.admin.monitor.stats.BoundedRangeStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.CountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.ThreadPoolStats;
import com.sun.enterprise.admin.monitor.stats.MutableCountStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.MutableBoundedRangeStatisticImpl;
import com.sun.enterprise.admin.monitor.stats.StatisticImpl;
import com.sun.corba.ee.spi.monitoring.MonitoringConstants;
import com.sun.corba.ee.spi.monitoring.MonitoringManager;
import com.sun.corba.ee.spi.monitoring.MonitoredObject;
import com.sun.corba.ee.impl.orbutil.ORBConstants;
/**
* This is the implementation for the ThreadPoolStats
* and provides the implementation required to get the statistics
* for a threadpool
*
* @author Pramod Gopinath
*/
public class ThreadPoolStatsImpl
extends ORBCommonStatsImpl
implements ThreadPoolStats
{
private MonitoredObject threadPool;
private MonitoredObject workQueue;
private String threadPoolName;
private MutableCountStatisticImpl numberOfBusyThreads;
private MutableCountStatisticImpl numberOfAvailableThreads;
private MutableBoundedRangeStatisticImpl currentNumberOfThreads;
private MutableBoundedRangeStatisticImpl averageWorkCompletionTime;
private MutableCountStatisticImpl totalWorkItemsAdded;
private MutableBoundedRangeStatisticImpl numberOfWorkItemsInQueue;
private MutableBoundedRangeStatisticImpl averageTimeInQueue;
private static final String stringNumberOfBusyThreads =
MonitoringConstants.THREADPOOL_NUMBER_OF_BUSY_THREADS;
private static final String stringNumberOfAvailableThreads =
MonitoringConstants.THREADPOOL_NUMBER_OF_AVAILABLE_THREADS;
private static final String stringCurrentNumberOfThreads =
MonitoringConstants.THREADPOOL_CURRENT_NUMBER_OF_THREADS;
private static final String stringAverageWorkCompletionTime =
MonitoringConstants.THREADPOOL_AVERAGE_WORK_COMPLETION_TIME;
private static final String stringTotalWorkItemsAdded =
MonitoringConstants.WORKQUEUE_TOTAL_WORK_ITEMS_ADDED;
private static final String stringNumberOfWorkItemsInQueue =
MonitoringConstants.WORKQUEUE_WORK_ITEMS_IN_QUEUE;
private static final String stringAverageTimeInQueue =
MonitoringConstants.WORKQUEUE_AVERAGE_TIME_IN_QUEUE;
public ThreadPoolStatsImpl( MonitoredObject threadPool ) {
this.threadPool = threadPool;
this.threadPoolName = threadPool.getName();
getWorkQueueForThreadPool();
initializeStats();
}
private void getWorkQueueForThreadPool() {
Object[] workQueues = threadPool.getChildren().toArray();
workQueue = (MonitoredObject) workQueues[ 0 ];
}
private void initializeStats() {
super.initialize("com.sun.enterprise.admin.monitor.stats.ThreadPoolStats");
final long time = System.currentTimeMillis();
numberOfBusyThreads =
new MutableCountStatisticImpl(
new CountStatisticImpl( 0, stringNumberOfBusyThreads, "COUNT",
threadPool.getAttribute( stringNumberOfBusyThreads ).
getAttributeInfo().getDescription(),
time, time ));
numberOfAvailableThreads =
new MutableCountStatisticImpl(
new CountStatisticImpl( 0, stringNumberOfAvailableThreads, "count",
threadPool.getAttribute( stringNumberOfAvailableThreads ).
getAttributeInfo().getDescription(),
time, time ));
currentNumberOfThreads =
new MutableBoundedRangeStatisticImpl(
new BoundedRangeStatisticImpl( 0, 0, 0, java.lang.Long.MAX_VALUE, 0,
stringCurrentNumberOfThreads, "count",
threadPool.getAttribute( stringCurrentNumberOfThreads ).
getAttributeInfo().getDescription(),
time, time ));
averageWorkCompletionTime =
new MutableBoundedRangeStatisticImpl(
new BoundedRangeStatisticImpl( 0, 0, 0, java.lang.Long.MAX_VALUE, 0,
stringAverageWorkCompletionTime, "Milliseconds",
threadPool.getAttribute( stringAverageWorkCompletionTime ).
getAttributeInfo().getDescription(),
time, time ));
MonitoredObject workQueue = threadPool.getChild(
ORBConstants.WORKQUEUE_DEFAULT_NAME );
totalWorkItemsAdded =
new MutableCountStatisticImpl(
new CountStatisticImpl( 0, stringTotalWorkItemsAdded, "count",
workQueue.getAttribute( stringTotalWorkItemsAdded ).
getAttributeInfo().getDescription(),
time, time ));
numberOfWorkItemsInQueue =
new MutableBoundedRangeStatisticImpl(
new BoundedRangeStatisticImpl( 0, 0,0, java.lang.Long.MAX_VALUE, 0,
stringNumberOfWorkItemsInQueue, "count",
workQueue.getAttribute( stringNumberOfWorkItemsInQueue ).
getAttributeInfo( ).getDescription(),
time, time ));
averageTimeInQueue =
new MutableBoundedRangeStatisticImpl(
new BoundedRangeStatisticImpl( 0, 0, 0, java.lang.Long.MAX_VALUE, 0,
stringAverageTimeInQueue, "Milliseconds",
workQueue.getAttribute( stringAverageTimeInQueue ).
getAttributeInfo( ).getDescription(),
time, time ));
}
public CountStatistic getNumberOfBusyThreads() {
long numBusyThreads = ((Long) threadPool.getAttribute(
stringNumberOfBusyThreads ).getValue()).longValue();
numberOfBusyThreads.setCount( numBusyThreads );
return (CountStatistic) numberOfBusyThreads.modifiableView();
}
public CountStatistic getNumberOfAvailableThreads() {
long numAvailableThreads = ((Long) threadPool.getAttribute(
stringNumberOfAvailableThreads ).getValue()).longValue();
numberOfAvailableThreads.setCount( numAvailableThreads );
return (CountStatistic) numberOfAvailableThreads.modifiableView();
}
public BoundedRangeStatistic getCurrentNumberOfThreads() {
long numCurrentThreads = ((Long) threadPool.getAttribute(
stringCurrentNumberOfThreads ).getValue()).longValue();
currentNumberOfThreads.setCount( numCurrentThreads );
return (BoundedRangeStatistic) currentNumberOfThreads.modifiableView();
}
public RangeStatistic getAverageWorkCompletionTime() {
long avgWorkCompletionTime = ((Long) threadPool.getAttribute(
stringAverageWorkCompletionTime ).getValue()).longValue();
averageWorkCompletionTime.setCount( avgWorkCompletionTime );
return (RangeStatistic) averageWorkCompletionTime.modifiableView();
}
public CountStatistic getTotalWorkItemsAdded() {
long totWorkItemsAdded = ((Long) workQueue.getAttribute(
stringTotalWorkItemsAdded ).getValue()).longValue();
totalWorkItemsAdded.setCount( totWorkItemsAdded );
return (CountStatistic) totalWorkItemsAdded.modifiableView();
}
public BoundedRangeStatistic getNumberOfWorkItemsInQueue() {
long totWorkItemsInQueue = ((Long) workQueue.getAttribute(
stringNumberOfWorkItemsInQueue ).getValue()).longValue();
numberOfWorkItemsInQueue.setCount( totWorkItemsInQueue );
return (BoundedRangeStatistic) numberOfWorkItemsInQueue.modifiableView();
}
public RangeStatistic getAverageTimeInQueue() {
long avgTimeInQueue = ((Long) workQueue.getAttribute(
stringAverageTimeInQueue ).getValue()).longValue();
averageTimeInQueue.setCount( avgTimeInQueue );
return (RangeStatistic) averageTimeInQueue.modifiableView();
}
} //ThreadPoolStatsImpl{ }