Mercurial > hg > release > thermostat-0.4
view thread/client-controllers/src/main/java/com/redhat/thermostat/thread/client/controller/impl/ThreadTableController.java @ 606:8516a3c7ed22
Fix for thread data after last refactoring
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2012-September/003177.html
reviewed-by: omajid
author | Mario Torre <neugens.limasoftware@gmail.com> |
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date | Wed, 12 Sep 2012 21:37:33 +0200 |
parents | 6bb30e80f53a |
children | 7252a5f21644 |
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/* * Copyright 2012 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.thread.client.controller.impl; import java.lang.Thread.State; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.TimeUnit; import com.redhat.thermostat.client.osgi.service.BasicView.Action; import com.redhat.thermostat.common.ActionEvent; import com.redhat.thermostat.common.ActionListener; import com.redhat.thermostat.common.Timer; import com.redhat.thermostat.common.Timer.SchedulingType; import com.redhat.thermostat.thread.client.common.ThreadTableBean; import com.redhat.thermostat.thread.client.common.ThreadTableView; import com.redhat.thermostat.thread.client.common.collector.ThreadCollector; import com.redhat.thermostat.thread.model.ThreadInfoData; public class ThreadTableController implements CommonController { private ThreadTableView threadTableView; private ThreadCollector collector; private Timer timer; public ThreadTableController(ThreadTableView threadTableView, ThreadCollector collector, Timer timer) { this.collector = collector; this.threadTableView = threadTableView; this.timer = timer; } @Override public void initialize() { timer.setInitialDelay(0); timer.setDelay(1000); timer.setTimeUnit(TimeUnit.MILLISECONDS); timer.setSchedulingType(SchedulingType.FIXED_RATE); timer.setAction(new ThreadTableControllerAction()); threadTableView.addActionListener(new ActionListener<Action>() { @Override public void actionPerformed(ActionEvent<Action> actionEvent) { switch (actionEvent.getActionId()) { case VISIBLE: timer.start(); break; case HIDDEN: timer.stop(); break; default: break; } } }); } private class ThreadTableControllerAction implements Runnable { @Override public void run() { List<ThreadInfoData> infos = collector.getThreadInfo(); if(infos.size() > 0) { long lastPollTimestamp = infos.get(0).getTimeStamp(); // build the statistics for each thread in the // collected thread list // first, get a map of all threads with the respective info // the list will contain an ordered-by-timestamp list // with the known history for each thread Map<ThreadInfoData, List<ThreadInfoData>> stats = new HashMap<>(); for (ThreadInfoData info : infos) { List<ThreadInfoData> beanList = stats.get(info); if (beanList == null) { beanList = new ArrayList<ThreadInfoData>(); stats.put(info, beanList); } beanList.add(info); } List<ThreadTableBean> tableBeans = new ArrayList<>(); // now we have the list, we can do all the analysis we need for (ThreadInfoData key : stats.keySet()) { ThreadTableBean bean = new ThreadTableBean(); bean.setName(key.getThreadName()); bean.setId(key.getThreadId()); bean.setWaitedCount(key.getThreadWaitCount()); bean.setBlockedCount(key.getThreadBlockedCount()); // get start time and stop time, if any List<ThreadInfoData> beanList = stats.get(key); long last = beanList.get(0).getTimeStamp(); long first = beanList.get(beanList.size() - 1).getTimeStamp(); bean.setStartTimeStamp(first); if (last < lastPollTimestamp) { // this thread died somewhere after this polling time... rip bean.setStopTimeStamp(last); } // time for some stats double running = 0; double waiting = 0; double monitor = 0; double sleeping = 0; for (ThreadInfoData info : beanList) { State state = info.getState(); switch (state) { case RUNNABLE: running++; break; case NEW: case TERMINATED: break; case BLOCKED: monitor++; break; case TIMED_WAITING: sleeping++; break; case WAITING: waiting++; default: break; } } int polls = beanList.size(); double percent = (running/polls) * 100; bean.setRunningPercent(percent); percent = (waiting/polls) * 100; bean.setWaitingPercent(percent); percent = (monitor/polls) * 100; bean.setMonitorPercent(percent); percent = (sleeping/polls) * 100; bean.setSleepingPercent(percent); tableBeans.add(bean); } threadTableView.display(tableBeans); } } } }