com.sun.enterprise.admin.monitor.stats
Interface ThreadPoolStats

All Superinterfaces:

Stats

public interface ThreadPoolStats
extends Stats

Stats interface for the monitorable attributes of the a generic ThreadPool. This combines the statistics that were exposed in 7.0 with the new ones. In 8.0, the generic Thread Pool that can be used by any component in the server runtime is introduced.

Since:

S1AS8.0

Version:

$Revision: 1.4 $

Author:

Kedar Mhaswade

Method Summary

RangeStatistic	getAverageTimeInQueue() Returns average time in milliseconds a work item waited in the work queue before getting processed.
RangeStatistic	getAverageWorkCompletionTime() Returns the statistical information about the average completion time of a work item in milliseconds.
BoundedRangeStatistic	getCurrentNumberOfThreads() Returns the statistical information about the number of Threads in the associated ThreaPool, as an instance of BoundedRangeStatistic.
CountStatistic	getNumberOfAvailableThreads() Returns the total number of available threads, as an instance of CountStatistic.
CountStatistic	getNumberOfBusyThreads() Returns the number of busy threads, as an instance of CountStatistic.
BoundedRangeStatistic	getNumberOfWorkItemsInQueue() Returns the work items in queue
CountStatistic	getTotalWorkItemsAdded() Returns the the total number of work items added so far to the work queue associated with threadpool.

Methods inherited from interface org.glassfish.j2ee.statistics.Stats

getStatistic, getStatisticNames, getStatistics

Method Detail

getCurrentNumberOfThreads

BoundedRangeStatistic getCurrentNumberOfThreads()

Returns the statistical information about the number of Threads in the associated ThreaPool, as an instance of BoundedRangeStatistic. This returned value gives an idea about how the pool is changing.

Returns:

an instance of BoundedRangeStatistic

getNumberOfAvailableThreads

CountStatistic getNumberOfAvailableThreads()

Returns the total number of available threads, as an instance of CountStatistic.

Returns:

an instance of CountStatistic

getNumberOfBusyThreads

CountStatistic getNumberOfBusyThreads()

Returns the number of busy threads, as an instance of CountStatistic.

Returns:

an instance of CountStatistic

getAverageWorkCompletionTime

RangeStatistic getAverageWorkCompletionTime()

Returns the statistical information about the average completion time of a work item in milliseconds.

Returns:

an instance of RangeStatistic

getTotalWorkItemsAdded

CountStatistic getTotalWorkItemsAdded()

Returns the the total number of work items added so far to the work queue associated with threadpool.

Returns:

an instance of CountStatistic

getAverageTimeInQueue

RangeStatistic getAverageTimeInQueue()

Returns average time in milliseconds a work item waited in the work queue before getting processed.

Returns:

an instance of RangeStatistic

getNumberOfWorkItemsInQueue

BoundedRangeStatistic getNumberOfWorkItemsInQueue()

Returns the work items in queue

Returns:

an instance of BoundedRangeStatistic