File	Doc	Category	Size	Date	Package
PWCThreadPoolStatsImpl.java	API Doc	Glassfish v2 API	8684	Fri May 04 22:36:08 BST 2007	com.sun.enterprise.web.stats

PWCThreadPoolStatsImpl

• java.lang.Object

Fields Summary
private static final Logger	_logger
private com.sun.enterprise.admin.monitor.stats.GenericStatsImpl	baseStatsImpl
private MBeanServer	server
private ObjectName	threadPoolName
private com.sun.enterprise.admin.monitor.stats.StringStatistic	id
private com.sun.enterprise.admin.monitor.stats.MutableCountStatistic	countThreadsIdle
private com.sun.enterprise.admin.monitor.stats.MutableCountStatistic	countThreads
private com.sun.enterprise.admin.monitor.stats.MutableCountStatistic	maxThreads
private com.sun.enterprise.admin.monitor.stats.MutableCountStatistic	countQueued
private com.sun.enterprise.admin.monitor.stats.MutableCountStatistic	peakQueued
private com.sun.enterprise.admin.monitor.stats.MutableCountStatistic	maxQueued

Constructors Summary

public PWCThreadPoolStatsImpl(String domain) baseStatsImpl = new GenericStatsImpl( com.sun.enterprise.admin.monitor.stats.PWCThreadPoolStats.class, this); // get an instance of the MBeanServer ArrayList servers = MBeanServerFactory.findMBeanServer(null); if(!servers.isEmpty()) server = (MBeanServer)servers.get(0); else server = MBeanServerFactory.createMBeanServer(); String objNameStr = domain + ":type=Selector,*"; try { threadPoolName = new ObjectName(objNameStr); } catch (Throwable t) { String msg = _logger.getResourceBundle().getString( "webcontainer.objectNameCreationError"); msg = MessageFormat.format(msg, new Object[] { objNameStr }); _logger.log(Level.SEVERE, msg, t); } // initialize all the MutableStatistic Classes initializeStatistics();

Methods Summary
public javax.management.j2ee.statistics.CountStatistic	getCountQueued() Gets the current number of requests waiting for a thread. return Number of requests waiting for a thread return null;
public javax.management.j2ee.statistics.CountStatistic	getCountThreads() Gets the current number of threads. return Current number of threads countThreads.setCount( StatsUtil.getAggregateStatistic(server, threadPoolName, "countThreadsStats")); return (CountStatistic)countThreads.unmodifiableView();
public javax.management.j2ee.statistics.CountStatistic	getCountThreadsIdle() Gets the number of threads that are currently idle. return Number of currently idle threads countThreadsIdle.setCount( StatsUtil.getAggregateStatistic(server, threadPoolName, "countThreadsIdleStats")); return (CountStatistic)countThreadsIdle.unmodifiableView();
public com.sun.enterprise.admin.monitor.stats.StringStatistic	getId() Gets the ID of the thread pool. return ID of the thread pool return id;
public javax.management.j2ee.statistics.CountStatistic	getMaxQueued() Gets the maximum number of requests that may be queued up return Maximum number of requests that may be queued up return null;
public javax.management.j2ee.statistics.CountStatistic	getMaxThreads() Gets the maximum number of threads allowed in the thread pool. return Maximum number of threads allowed in the thread pool maxThreads.setCount(StatsUtil.getAggregateStatistic(server, threadPoolName, "maxThreadsStats")); return (CountStatistic)maxThreads.unmodifiableView();
public javax.management.j2ee.statistics.CountStatistic	getPeakQueued() Gets the largest number of requests that were ever queued up simultaneously for the use of a thread since the server was started. return Largest number of requests that were ever queued up waiting for a thread return null;
public javax.management.j2ee.statistics.Statistic	getStatistic(java.lang.String name) Queries for a statistic with the given name. name Name of the statistic to query for return Statistic for the given name return baseStatsImpl.getStatistic(name);
public java.lang.String[]	getStatisticNames() Gets array of all statistic names exposed by this implementation of return Array of statistic names return baseStatsImpl.getStatisticNames();
public javax.management.j2ee.statistics.Statistic[]	getStatistics() This method can be used to retrieve all the Statistics, exposed by this implementation of Stats return Statistic[] return baseStatsImpl.getStatistics();
private void	initializeStatistics() long startTime = System.currentTimeMillis(); id = new StringStatisticImpl("", "id", "String", "ID of the thread pool", startTime, startTime); CountStatistic c = new CountStatisticImpl("CountThreadsIdle"); countThreadsIdle = new MutableCountStatisticImpl(c); c = new CountStatisticImpl("CountThreads"); countThreads = new MutableCountStatisticImpl(c); c = new CountStatisticImpl("MaxThreads"); maxThreads = new MutableCountStatisticImpl(c); c = new CountStatisticImpl("CountQueued"); countQueued = new MutableCountStatisticImpl(c); c = new CountStatisticImpl("PeakQueued"); peakQueued = new MutableCountStatisticImpl(c); c = new CountStatisticImpl("MaxQueued"); maxQueued = new MutableCountStatisticImpl(c);