Mercurial > hg > release > thermostat-0.11
view storage/core/src/main/java/com/redhat/thermostat/storage/internal/Activator.java @ 1117:4cdafa27ac9a
PR1442: Error stopping bundle. (java.lang.IllegalStateException: Service already unregistered.)
Reviewed-by: neugens, jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-May/006813.html
author | Andriy Petrus <apetrus@redhat.com> |
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date | Tue, 28 May 2013 11:23:34 -0400 |
parents | 52eac263ab76 |
children |
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/* * Copyright 2012, 2013 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.storage.internal; import java.util.ArrayList; import java.util.List; import org.osgi.framework.BundleActivator; import org.osgi.framework.BundleContext; import org.osgi.framework.ServiceReference; import org.osgi.framework.ServiceRegistration; import org.osgi.util.tracker.ServiceTracker; import com.redhat.thermostat.storage.core.Storage; import com.redhat.thermostat.storage.dao.AgentInfoDAO; import com.redhat.thermostat.storage.dao.BackendInfoDAO; import com.redhat.thermostat.storage.dao.HostInfoDAO; import com.redhat.thermostat.storage.dao.NetworkInterfaceInfoDAO; import com.redhat.thermostat.storage.dao.VmInfoDAO; import com.redhat.thermostat.storage.internal.dao.AgentInfoDAOImpl; import com.redhat.thermostat.storage.internal.dao.BackendInfoDAOImpl; import com.redhat.thermostat.storage.internal.dao.HostInfoDAOImpl; import com.redhat.thermostat.storage.internal.dao.NetworkInterfaceInfoDAOImpl; import com.redhat.thermostat.storage.internal.dao.VmInfoDAOImpl; public class Activator implements BundleActivator { ServiceTracker tracker; List<ServiceRegistration> regs; public Activator() { regs = new ArrayList<>(); } @Override public void start(BundleContext context) throws Exception { tracker = new ServiceTracker(context, Storage.class, null) { @Override public Object addingService(ServiceReference reference) { Storage storage = (Storage) super.addingService(reference); AgentInfoDAO agentInfoDao = new AgentInfoDAOImpl(storage); ServiceRegistration reg = context.registerService(AgentInfoDAO.class.getName(), agentInfoDao, null); regs.add(reg); BackendInfoDAO backendInfoDao = new BackendInfoDAOImpl(storage); reg = context.registerService(BackendInfoDAO.class.getName(), backendInfoDao, null); regs.add(reg); HostInfoDAO hostInfoDao = new HostInfoDAOImpl(storage, agentInfoDao); reg = context.registerService(HostInfoDAO.class.getName(), hostInfoDao, null); regs.add(reg); NetworkInterfaceInfoDAO networkInfoDao = new NetworkInterfaceInfoDAOImpl(storage); reg = context.registerService(NetworkInterfaceInfoDAO.class.getName(), networkInfoDao, null); regs.add(reg); VmInfoDAO vmInfoDao = new VmInfoDAOImpl(storage); reg = context.registerService(VmInfoDAO.class.getName(), vmInfoDao, null); regs.add(reg); return storage; } @Override public void removedService(ServiceReference reference, Object service) { for (ServiceRegistration reg : regs) { reg.unregister(); } regs.clear(); super.removedService(reference, service); } }; tracker.open(); } @Override public void stop(BundleContext context) throws Exception { tracker.close(); } }