Mercurial > hg > release > thermostat-0.15
view client/living-vm-filter/core/src/main/java/com/redhat/thermostat/client/filter/vm/core/internal/VMFilterActivator.java @ 1273:f247a6e50be5
Move Filter interface to common
http://icedtea.classpath.org/pipermail/thermostat/2013-October/008409.html
reviewed-by: jerboaa
author | Mario Torre <neugens.limasoftware@gmail.com> |
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date | Mon, 07 Oct 2013 17:28:43 +0200 |
parents | 90fa1f866982 |
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.client.filter.vm.core.internal; import java.util.ArrayList; import java.util.Collections; import java.util.Dictionary; import java.util.Hashtable; import java.util.Iterator; 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.common.Filter; import com.redhat.thermostat.client.filter.vm.core.LivingVMFilter; import com.redhat.thermostat.client.ui.MenuAction; import com.redhat.thermostat.common.Constants; import com.redhat.thermostat.storage.core.VmRef; import com.redhat.thermostat.storage.dao.VmInfoDAO; public class VMFilterActivator implements BundleActivator { private final List<ServiceRegistration> registeredServices = Collections.synchronizedList(new ArrayList<ServiceRegistration>()); ServiceTracker vmInfoDaoTracker; @Override public void start(BundleContext context) throws Exception { vmInfoDaoTracker = new ServiceTracker(context, VmInfoDAO.class.getName(), null) { @Override public Object addingService(ServiceReference reference) { VmInfoDAO dao = (VmInfoDAO) context.getService(reference); LivingVMFilter filter = new LivingVMFilter(dao); LivingVMFilterMenuAction menu = new LivingVMFilterMenuAction(filter); ServiceRegistration registration = null; registration = context.registerService(MenuAction.class.getName(), menu, null); registeredServices.add(registration); Dictionary<String, String> properties = new Hashtable<>(); properties.put(Constants.GENERIC_SERVICE_CLASSNAME, VmRef.class.getName()); registration = context.registerService(Filter.class.getName(), filter, properties); registeredServices.add(registration); return super.addingService(reference); } @Override public void removedService(ServiceReference reference, Object service) { Iterator<ServiceRegistration> iterator = registeredServices.iterator(); while(iterator.hasNext()) { ServiceRegistration registration = iterator.next(); registration.unregister(); iterator.remove(); } context.ungetService(reference); super.removedService(reference, service); } }; vmInfoDaoTracker.open(); } @Override public void stop(BundleContext context) throws Exception { vmInfoDaoTracker.close(); for (ServiceRegistration registration : registeredServices) { registration.unregister(); } } }