opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/ConfigManagerActivator.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.config.manager.impl.osgi;
   9
  10 import java.lang.management.ManagementFactory;
  11
  12 import javax.management.MBeanServer;
  13
  14 import org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
  15 import org.opendaylight.controller.config.manager.impl.jmx.ConfigRegistryJMXRegistrator;
  16 import org.opendaylight.controller.config.spi.ModuleFactory;
  17 import org.osgi.framework.BundleActivator;
  18 import org.osgi.framework.BundleContext;
  19 import org.osgi.framework.ServiceRegistration;
  20 import org.osgi.util.tracker.ServiceTracker;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 public class ConfigManagerActivator implements BundleActivator {
  25     private static final Logger logger = LoggerFactory
  26             .getLogger(ConfigManagerActivator.class);
  27
  28     private ExtenderBundleTracker extenderBundleTracker;
  29     private ConfigRegistryImpl configRegistry;
  30     private ConfigRegistryJMXRegistrator configRegistryJMXRegistrator;
  31     private ServiceRegistration configRegistryServiceRegistration;
  32
  33     @Override
  34     public void start(BundleContext context) throws Exception {
  35         BundleContextBackedModuleFactoriesResolver bundleContextBackedModuleFactoriesResolver =
  36                 new BundleContextBackedModuleFactoriesResolver(context);
  37         MBeanServer configMBeanServer = ManagementFactory.getPlatformMBeanServer();
  38         configRegistry = new ConfigRegistryImpl(
  39                 bundleContextBackedModuleFactoriesResolver, configMBeanServer);
  40
  41         // register config registry to OSGi
  42         configRegistryServiceRegistration = context.registerService(ConfigRegistryImpl.class, configRegistry, null);
  43
  44         // register config registry to jmx
  45         configRegistryJMXRegistrator = new ConfigRegistryJMXRegistrator(configMBeanServer);
  46         configRegistryJMXRegistrator.registerToJMX(configRegistry);
  47
  48         // track bundles containing factories
  49         extenderBundleTracker = new ExtenderBundleTracker(context);
  50         extenderBundleTracker.open();
  51
  52         BlankTransactionServiceTracker customizer = new BlankTransactionServiceTracker(configRegistry);
  53         ServiceTracker<?, ?> serviceTracker = new ServiceTracker(context, ModuleFactory.class, customizer);
  54         serviceTracker.open();
  55     }
  56
  57     @Override
  58     public void stop(BundleContext context) throws Exception {
  59         try {
  60             configRegistry.close();
  61         } catch (Exception e) {
  62             logger.warn("Exception while closing config registry", e);
  63         }
  64         try {
  65             extenderBundleTracker.close();
  66         } catch (Exception e) {
  67             logger.warn("Exception while closing extender", e);
  68         }
  69         try {
  70             configRegistryJMXRegistrator.close();
  71         } catch (Exception e) {
  72             logger.warn(
  73                     "Exception while closing config registry jmx registrator",
  74                     e);
  75         }
  76         try {
  77             configRegistryServiceRegistration.unregister();
  78         } catch (Exception e) {
  79             logger.warn("Exception while unregistering config registry", e);
  80         }
  81     }
  82 }