Mercurial > hg > release > thermostat-1.0
view vm-gc/remote-collector-command/src/main/java/com/redhat/thermostat/gc/remote/command/internal/GC.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> |
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date | Tue, 03 Jun 2014 11:55:56 -0600 |
parents | b1f82879e6a9 |
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.gc.remote.command.internal; import java.lang.management.ManagementFactory; import java.lang.management.MemoryMXBean; import java.util.logging.Level; import java.util.logging.Logger; import com.redhat.thermostat.agent.utils.management.MXBeanConnection; import com.redhat.thermostat.agent.utils.management.MXBeanConnectionPool; import com.redhat.thermostat.common.utils.LoggingUtils; public class GC { private static final Logger logger = LoggingUtils.getLogger(GC.class); private MXBeanConnectionPool pool; private int vmId; public GC(MXBeanConnectionPool pool, int vmId) { this.pool = pool; this.vmId = vmId; } public void gc() throws GCException { Exception exceptionInGc = null; try { MXBeanConnection connection = pool.acquire(vmId); try { MemoryMXBean bean = connection.createProxy(ManagementFactory.MEMORY_MXBEAN_NAME, MemoryMXBean.class); bean.gc(); } catch (Exception ex) { exceptionInGc = ex; logger.log(Level.SEVERE, "can't get MXBeanConnection connection", ex); } finally { pool.release(vmId, connection); } } catch (Exception ioe) { exceptionInGc = ioe; } if (exceptionInGc != null) { throw new GCException("error performing gc", exceptionInGc); } } }