Mercurial > hg > blitz_condensed

annotate src/org/dancres/blitz/stats/ThreadStat.java @ 34:6f68e94c1fb8 default tip

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Add CondensedStats monitoring utility, equivalent to vmstat
author Dominic Cleal <dominic-cleal@cdo2.com>
date Thu, 05 Aug 2010 11:07:25 +0100
parents 3dc0c5604566
children
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3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
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1 package org.dancres.blitz.stats;
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2
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3 public class ThreadStat implements Stat, StatGenerator {
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4 private long theId = StatGenerator.UNSET_ID;
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5 private int theThreadCount = 0;
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6
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7 ThreadStat() {
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8 }
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Dan Creswell <dan.creswell@gmail.com>
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10 ThreadStat(long anId, int aThreadCount) {
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11 theId = anId;
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12 theThreadCount = aThreadCount;
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13 }
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15 public void setId(long anId) {
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16 theId = anId;
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17 }
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18
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19 public long getId() {
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20 return theId;
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21 }
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23 public synchronized Stat generate() {
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24 ThreadGroup myGroup = Thread.currentThread().getThreadGroup();
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26 int myActiveCount = myGroup.activeCount();
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28 while ((!myGroup.getName().equals("main")) &&
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29 (myGroup = myGroup.getParent()) != null) {
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30 myActiveCount += myGroup.activeCount();
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31 }
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32
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33 return new ThreadStat(theId, myActiveCount);
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34 }
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34
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36 public int getThreadCount() {
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37 return theThreadCount;
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38 }
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39
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40 public String toString() {
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41 return "Thread count: " + theThreadCount;
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42 }
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43 }