Mercurial > hg > release > thermostat-0.4
view client/heapdumper/src/main/java/com/redhat/thermostat/client/heap/HeapDumpController.java @ 657:be076fc26f78
Only update Chart view when done updating model
Update the chart in the Memory Analyzer view only when all the model
updates are done. Otherwise each model update will redraw the UI even
though the next model update will discard the previous result.
Reviewed-by: neugens
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2012-October/003678.html
author | Omair Majid <omajid@redhat.com> |
---|---|
date | Tue, 09 Oct 2012 11:32:51 -0400 |
parents | 3befd8ddad2f |
children |
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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.client.heap; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.concurrent.TimeUnit; import com.redhat.thermostat.client.heap.HeapView.HeapDumperAction; import com.redhat.thermostat.client.heap.chart.OverviewChart; import com.redhat.thermostat.client.heap.cli.HeapDumperCommand; import com.redhat.thermostat.client.osgi.service.ApplicationService; import com.redhat.thermostat.client.osgi.service.BasicView.Action; import com.redhat.thermostat.client.osgi.service.VmInformationServiceController; import com.redhat.thermostat.client.ui.UIComponent; import com.redhat.thermostat.common.ActionEvent; import com.redhat.thermostat.common.ActionListener; import com.redhat.thermostat.common.NotImplementedException; import com.redhat.thermostat.common.Timer; import com.redhat.thermostat.common.Timer.SchedulingType; import com.redhat.thermostat.common.appctx.ApplicationContext; import com.redhat.thermostat.common.dao.HeapDAO; import com.redhat.thermostat.common.dao.VmMemoryStatDAO; import com.redhat.thermostat.common.dao.VmRef; import com.redhat.thermostat.common.heap.HeapDump; import com.redhat.thermostat.common.model.HeapInfo; import com.redhat.thermostat.common.model.VmMemoryStat; import com.redhat.thermostat.common.model.VmMemoryStat.Generation; import com.redhat.thermostat.common.model.VmMemoryStat.Space; import com.redhat.thermostat.common.utils.DisplayableValues.Scale; public class HeapDumpController implements VmInformationServiceController { private final VmMemoryStatDAO vmDao; private final VmRef ref; private final HeapDAO heapDAO; private HeapView view; private final Timer timer; private OverviewChart model; private ApplicationService appService; public HeapDumpController(final VmRef ref, final ApplicationService appService) { this(ref, appService, new HeapDumperCommand()); } HeapDumpController(final VmRef ref, final ApplicationService appService, final HeapDumperCommand command) { this.appService = appService; this.ref = ref; this.vmDao = ApplicationContext.getInstance().getDAOFactory().getVmMemoryStatDAO(); this.heapDAO = ApplicationContext.getInstance().getDAOFactory().getHeapDAO(); model = new OverviewChart( Translate.localize(LocaleResources.HEAP_CHART_TITLE), Translate.localize(LocaleResources.HEAP_CHART_TIME_AXIS), Translate.localize(LocaleResources.HEAP_CHART_HEAP_AXIS), Translate.localize(LocaleResources.HEAP_CHART_CAPACITY), Translate.localize(LocaleResources.HEAP_CHART_USED)); timer = ApplicationContext.getInstance().getTimerFactory().createTimer(); timer.setAction(new HeapOverviewDataCollector()); timer.setInitialDelay(0); timer.setDelay(1000); model.setRange(3600); timer.setTimeUnit(TimeUnit.MILLISECONDS); timer.setSchedulingType(SchedulingType.FIXED_RATE); view = ApplicationContext.getInstance().getViewFactory().getView(HeapView.class); view.setModel(model); HeapDump dump = null; view.clearHeapDumpList(); Collection<HeapInfo> infos = heapDAO.getAllHeapInfo(ref); for (HeapInfo info : infos) { dump = new HeapDump(info, heapDAO); view.addHeapDump(dump); } // check if we were reading some of the dumps dump = (HeapDump) appService.getApplicationCache().getAttribute(ref); if (dump != null && infos.contains(dump.getInfo())) { showHeapDumpDetails(dump); } view.addActionListener(new ActionListener<Action>() { @Override public void actionPerformed(ActionEvent<Action> actionEvent) { switch (actionEvent.getActionId()) { case HIDDEN: timer.stop(); break; case VISIBLE: timer.start(); break; default: throw new NotImplementedException("unknown event: " + actionEvent.getActionId()); } } }); view.addDumperListener(new ActionListener<HeapView.HeapDumperAction>() { @Override public void actionPerformed(ActionEvent<HeapDumperAction> actionEvent) { HeapDump dump = null; switch (actionEvent.getActionId()) { case DUMP_REQUESTED: command.execute(ref, new Runnable() { public void run() { view.notifyHeapDumpComplete(); } }); break; case ANALYSE: dump = (HeapDump) actionEvent.getPayload(); analyseDump(dump); break; } } }); } private void analyseDump(final HeapDump dump) { appService.getApplicationExecutor().execute(new Runnable() { @Override public void run() { showHeapDumpDetails(dump); appService.getApplicationCache().addAttribute(ref, dump); } }); } private void showHeapDumpDetails(HeapDump dump) { HeapDumpDetailsController controller = new HeapDumpDetailsController(appService); controller.setDump(dump); view.setChildView(controller.getView()); view.openDumpView(); } @Override public UIComponent getView() { return (UIComponent) view; } @Override public String getLocalizedName() { return Translate.localize(LocaleResources.HEAP_SECTION_TITLE); } class HeapOverviewDataCollector implements Runnable { private void checkForHeapDumps() { Collection<HeapInfo> heapInfos = heapDAO.getAllHeapInfo(ref); List<HeapDump> heapDumps = new ArrayList<HeapDump>(heapInfos.size()); for (HeapInfo heapInfo : heapInfos) { heapDumps.add(new HeapDump(heapInfo, heapDAO)); } view.updateHeapDumpList(heapDumps); } @Override public void run() { checkForHeapDumps(); List<VmMemoryStat> vmInfo = vmDao.getLatestVmMemoryStats(ref, System.currentTimeMillis() - TimeUnit.HOURS.toMillis(1)); for (VmMemoryStat memoryStats: vmInfo) { long used = 0l; long capacity = 0l; long max = 0l; List<Generation> generations = memoryStats.getGenerations(); for (Generation generation : generations) { // non heap if (generation.name.equals("perm")) { continue; } List<Space> spaces = generation.spaces; for (Space space: spaces) { used += space.used; capacity += space.capacity; // TODO max =+ space.maxCapacity; } } model.addData(memoryStats.getTimeStamp(), used, capacity); NumberFormat formatter = DecimalFormat.getInstance(); double res = Scale.convertTo(Scale.B, used); String _used = formatter.format(res) + " " + Scale.B; res = Scale.convertTo(Scale.B, capacity); String _capacity= formatter.format(capacity) + " " + Scale.B; view.updateUsedAndCapacity(_used, _capacity); } model.notifyListenersOfModelChange(); } } }