Mercurial > hg > release > thermostat-1.0
view vm-gc/agent/src/main/java/com/redhat/thermostat/vm/gc/agent/internal/VmGcVmListener.java @ 1412:a0592d702416
Update copyright year in release branch.
reviewed-by: neugens
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-June/009965.html
PR1821
author | Jon VanAlten <jon.vanalten@redhat.com> |
---|---|
date | Tue, 03 Jun 2014 11:55:56 -0600 |
parents | 9a29868e2610 |
children |
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/* * Copyright 2012-2014 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.vm.gc.agent.internal; import java.util.logging.Level; import java.util.logging.Logger; import com.redhat.thermostat.backend.VmUpdate; import com.redhat.thermostat.backend.VmUpdateException; import com.redhat.thermostat.backend.VmUpdateListener; import com.redhat.thermostat.common.utils.LoggingUtils; import com.redhat.thermostat.vm.gc.common.VmGcStatDAO; import com.redhat.thermostat.vm.gc.common.model.VmGcStat; public class VmGcVmListener implements VmUpdateListener { private static final Logger logger = LoggingUtils.getLogger(VmGcVmListener.class); private final String vmId; private final VmGcStatDAO gcDAO; private final String writerId; private boolean error; public VmGcVmListener(String writerId, VmGcStatDAO vmGcStatDao, String vmId) { gcDAO = vmGcStatDao; this.vmId = vmId; this.writerId = writerId; } @Override public void countersUpdated(VmUpdate update) { VmGcDataExtractor extractor = new VmGcDataExtractor(update); recordGcStat(extractor); } void recordGcStat(VmGcDataExtractor extractor) { try { Long collectors = extractor.getTotalCollectors(); if (collectors != null) { for (int i = 0; i < collectors; i++) { long timestamp = System.currentTimeMillis(); String name = extractor.getCollectorName(i); if (name != null) { Long invocations = extractor.getCollectorInvocations(i); if (invocations != null) { Long time = extractor.getCollectorTime(i); if (time != null) { VmGcStat stat = new VmGcStat(writerId, vmId, timestamp, name, invocations, time); gcDAO.putVmGcStat(stat); } else { logWarningOnce("Unable to determine time spent by collector " + i + " for VM " + vmId); } } else { logWarningOnce("Unable to determine number of invocations of collector " + i + " for VM " + vmId); } } else { logWarningOnce("Unable to determine name of collector " + i + " for VM " + vmId); } } } else { logWarningOnce("Unable to determine number of collectors for VM " + vmId); } } catch (VmUpdateException e) { logger.log(Level.WARNING, "Error gathering GC info for VM " + vmId, e); } } private void logWarningOnce(String message) { if (!error) { logger.log(Level.WARNING, message); logger.log(Level.WARNING, "Further warnings will be ignored"); error = true; } } }